- Page 17 - Xoutpost.com, Hi i have a motorhome with 460cu.in. Clutch fans are controlled by a thermostat and utilize a clutch to engage or disengage the fan at a specified engine speed or temperature. The pusher fan mounts on the front of the vehicle and blows air through the radiator core toward the engine. Are you finding it overheating? It will guarantee a perfect airflow and makes less noise when it is operational. Do I have the right fan for my cooling system needs? Greg, only you know what radiator you have in her, where you live regarding ambient temperatures, and what temperature it’s peaking at. While the electric fan is powered on it will zap horsepower more than the other types of fan mentioned – you just hope it’s switched off most of the time so it saves you fuel and noise – and if you’re obsessed with horsepower you hope it’s off when you’re putting your foot down. It is not created or sold by the OE car company). I have had an ongoing debate w/ him about the location and also doing work and decisions w/o consulting me. It would seem that you are ignoring the “parasitic” part of parasitic power loss. my question, would it be beneficial to use electric fans instead of mechanical clutch fan. I have a 2001 Ford F250 Super Duty 4×4 with a v10 It currentl has 150,000 miles on it. 99. Here are some of best sellings brushless motor radiator cooling fan which we would like to recommend with high customer review ratings to guide you on quality & popularity of each items. SKU # 388049 $ 99. Virginia Tire & Auto of Chantilly at 13909 Metrotech Drive was recently discovered under Chantilly Pontiac G6 radiator repair. Dead Wires. Learn how your comment data is processed. can I replace the mechanical fan with an electrical one? Not really goign to get a clean cut answer on that. Ramchargers make a great fan for about 140ish, thats complete with a harness and relays and toggle switch. Mechanical fans rely on mechanical energy from the engine in order to operate properly. Is that good or should I go to a larger single fan. these guys give when asking these ???? I'm thinking of the Corsair LL120 for rgb at the front of the radiator and the Noctua NF A12x25 or the Silentwings 3 for the back of the radiator. I have a 1990 Toyota/Winnebago w/ V6 3.0L. 75% Upvoted. ?”, but ultimately if what you have works, there is no sense in changing it. I just bought a 1993 GMC K3500 6.5 liter diesel. 36 comments. The cooling system is an extremely important piece to any engine build. Remember it’s not as though the average lifespan of an electric fan is only a couple years. For the best cooling efficiency, use a fan that is 3 ⅜” wide when there is room. Jerry's Foreign Car 17495 Old Stage Coach Rd Dumfries, VA 22026 (703) 221-4143 A puller fan on the other hand sits right behind the radiator. Since you’re not moving, airflow absolutely depends on the efficiency of your radiator and fan. Shop from the world's largest selection and best deals for Car Performance Cooling Fans & Fan Kits. What could cause this. 2021 popular Ranking Keywords trends in Automobiles & Motorcycles, Home Improvement, Toys & Hobbies, Men's Clothing with fan for car radiator and Ranking Keywords. The reason is that as a complex machine, a vehicle embodies several systems, subsystems, and components. Free shipping on many items | Browse your favorite brands | affordable prices. If you want the best electric radiator fan, the A-Team Performance Radiator Electric Fan is the way to go. Yes, you should absolutely put an electric fan in the M5 – Presumably you’re dying to make a mod of some type, so why not? He and his employee argued in front of me to work on the electric fan or abandon it. JavaScript seems to be disabled in your browser. Its dual fans and great piece for the money. hide. American Motors Ambassador, 1958-64 V8 327 Radiator [More Info], American Motors Ambassador, 1965-71 L6 232/258 Radiator [More Info], American Motors Ambassador, 1965-71 L6 232/258 With Cooler Radiator [More Info], American Motors Ambassador, 1965-71 V8 287/290/304/327/343/360/390/401 Radiator [More Info], American Motors Ambassador, 1972-73 L6 258 Radiator [More Info], American Motors Ambassador, 1972-73 V8 304/360/401 Radiator [More Info], American Motors Ambassador, 1974 V8 304/360/401 Radiator [More Info], American Motors American, 1958-63 L6 196 Radiator [More Info], American Motors American, 1964-65 L6 196/232 Radiator [More Info], American Motors American, 1966-69 L6 199/232 Radiator [More Info], 980 Sutton Bridge Rd, Rainbow City , AL 35906. The first radiator fans were mechanical in nature, and fans of this type are still in use today. The original clutch fan was removed. Your car's radiator holds coolant fluid for the motor to ensure that the motor doesn't overheat. For some reason the article doesn’t mention the under-hood temperature which is affected by your choice of fan type – switching from a mechanical to an electric fan raises the temperature all around the engine bay as the cooling is only working when the water temperature is high. Find here Radiator Fans, Oil Cooler Fan manufacturers, suppliers & exporters in India. Selecting the proper fan is critical to cooling system performance. But one of the best jobs they’ve done with is the Universal 12V Radiator fan. I paid Honest Auto Care in Ashburn, Va about $60.00 to perform a cooling system pressure test and estimate for radiator repair and received the car back the same day. For over 50 years, U.S. Radiator has offered the most complete and comprehensive line of "correct appearance and fit" radiators for American Classic, Muscle Cars, Classic Trucks, and Street Rod applications in the industry. Street Rod Cooling Fan parts in-stock with same-day shipping. - Car Craft Magazine Discover the best Engine Radiator Fan Motors in Best Sellers. Increase the life of your vehicle's engine by keeping your cooling system in top condition. I wouldn’t have him re-do the install but I do want to know what your opinion is about the sender placement. instead of trying to push air through the radiator which I imagine would be pretty hard at 65mph. Spals also make great fans, but the dual fans … Fan Club: How to Choose an Electric Fan in 4 Easy Steps, Anyone removed clutch fan and replaced with electric? They work. Serving Warrenton, VA. 1800radiator.com. Loss of power will not be an issue with this new engine. JoyTutus 12V Car Fan for Front/Rear Seat, Electric Car Cooling Fan with Sucker/Bracket, Portable Vehicle Fan for Car Sedan SUV MPV Van Boat RV 4.2 out of 5 stars 67 $10.99 $ 10 . These parts make up the entire vehicle and work together to make the car move from one point to the other while conveying load. A pusher fan sits in front of the radiator. A car radiator fan stands as a vital part of the car. Mechanical Fans Pingback: 2 Useful Features of Air Fryer Which You Might Not Know About, I have a 88 wrangler 4.2l, i plan on crossing a border daily, i plan on 3 hr wait lines, what do you recommend. The high-quality aluminum material construction with 3-row design also makes this equipment exceptionally durable. First, which is better; Pusher-style fans or puller fans? - Page 17 - Xoutpost.com, 2 Useful Features of Air Fryer Which You Might Not Know About, Good cooling with less drag (than clutch fans) at high rpm, Consistent cooling—they maintain their airflow at all times, Versatility—they can be mounted in front of or behind the radiator, Multiple sizes and configurations—they can be found in diameters up to 20 inches and are available with single- and dual-fan setups, Fitment—some electric fans have thin profiles so they can fit where belt-driven sometimes can’t, Control—some electric fans have an adjustable thermostat while others allow you to operate your fan from your driver’s seat, Maximum power and fuel economy–no parasitic power loss. For the best experience on our site, be sure to turn on Javascript in your browser. Arctic P12 PWM PST CO[Heavy Duty, PWM sharing support, Silent] Arctic is one of the best when it … About 3% of these are Radiator Fan, 12% are Radiator, and 3% are Other Auto Cooling System. save. The indicator will show whether it is working or not. BTW, its 14 volts, not 12. Only after the 2nd time I picked up the vehicle, “fixed” and running hot again, did I start to really research the installation. Best results for brushless motor radiator cooling fan -41% TOPAZ 17427543282 Radiator Brushless Motor Cooling Fan for BMW E60 E61 E63 E64 E65 E66 525 545 645 750 99 A-Team Performance 16" Electric Radiator Cooling Fan Wide S-Curved 10 Blades Thermostat Kit 3000 CFM Reversible Push or Pull with Mounting Kit Heavy Duty 12 Volts 4.4 out of 5 stars 378 $46.99 $ 46 . From Flex-A-Lite cooling fans, to Derale fans and Be Cool fans, and other top cooling products like Proform radiator fans, Perma-Cool, SPAL, Dorman, Zirgo, and many more, Summit Racing carries a massive selection of electric radiator fans from the most trusted brands in aftermarket cooling systems. I have a 1999 Jeep Cherokee classic 4.0 inline 6 manual fan got scrapped up so was taken off wondering if I should just run two electric fans or just get another manual fan? I have a 1991 toyota hilux with a 1jz. cant help but notice the lack of info. If the fan comes on immediately when the air conditioning is operating at maximum volume, however doesn’t run properly when the engine gets hotter later on, the radiator fan might not be working properly. I am going to install an electric fan set-up and was wondering what type of sensor set-up you think is the best. A pusher fan, in the context of a car's cooling system, is a fan mounted to the front of the radiator. An electrical fan provides constant airflow even when the engine is idling, when your engine needs it the most and since they are electric, they do not affect engine horsepower or fuel economy. engine and i would like to HAD a electrical fan to the existing mecanical fan juste to help and reduce the amount of time the fan clutch come on to get a better fuel millage. This information was VERY helpful to the layman like myself. NOTE: Brackets To Grill Side, w/o Oil Cooler, NOTE: Brackets To Grill Side, w/ Oil Cooler, NOTE: Brackets To Engine Side, 2 Row Max Suggested, NOTE: Brackets To Engine Side, w/o Oil Cooler. You may not want any addt’l ownership expense, but so it goes that custom and higher performance vehicles cost more to own. The engine has to give up power to the generator which powers the motor in the fan. Discover over 36876 of our best selection of Ranking Keywords on AliExpress.com with top-selling Ranking Keywords brands. Get info of suppliers, manufacturers, exporters, traders of Car Radiator Fan for buying in India. Since this happened I now have smoke coming from exhaust and antifreeze on manifold. It is a 2000 CFM car cooling fan with an amp draw of 6 to 7 amp and consumes 120W Watts. If electric fans were notoriously unreliable, they wouldn’t have shifted from a hot rod upgrade to a dominant position on modern OEM daily driver vehicle design. Mainly, mechanical fans cause parasitic horsepower loss because your engine expends a certain amount of power spinning your fan. LOL, Pingback: Anyone removed clutch fan and replaced with electric? If you do not find it adequate, there is only so much that can be done to a mechanical fan setup besides switching to, or adding in addition, an electric fan. Mechanical vs. Electric Fans: Which is Best for Your Vehicle? So far as fan reliability, usually a water pump does not outright fail but rather the bearing wears down till coolant weeps out so you have low coolant, and yet a mechanical fan is subject to the belt breaking or the bearing shot or the clutch shot. These first class products give depth to our accessory range and provide you the customer with choice and convenience of a fan package with your next PWR custom radiator. hi i have a 2001 m5 bmw and i was thinking about switching to an electric fan should I? Would it be wise to replace the mechanical fan, clutch assembly and fit an electric fan(16-17″) in the same opening(20″) keeping the same shroud? This fan is one … Today we’ll look at some of the best radiator fans in 2019. Mechanical cooling fans are belt driven, which means that they are attached to a pulley that is connected to the crankshaft via a drive belt.When the crank shaft rotates, the fan pulley also rotates, and the fan either pushes or pulls air through the radiator. I bought it with an electric fan. The 30102130 dual 12 inch fan assembly is a great choice for most cars and trucks with V8 engines. it is used for towing a trailer and an overall work truck. The engine and components are really stuffed into the engine compartment. 1-800-Radiator & A/C. This best quiet radiator fans are popular and it has become the most popular choice because of the quality design. Best Price Engine Slin Cooling Fan Motor Car Push Pull Electric Radiator Fan 10'' With 10 Straight Blades $9.50-$11.00 10 Pieces (MOQ) That’s a logical argument, and in response, there is a reason that most of the classic cars of the day had puller style fans. That load when no fan is needed is the parasitic component. With its overall thickness of 3.26 inch and an overall diameter of 16.73 inches, the AUTOSAVER88 Black Electric radiator will fit in the most car giving the best cooling performance. So we’ve selected these fans after looking at … If the fan on your radiator is not working properly, it can't circulate air through the radiator to cool the fluid and subsequently cool off the motor. The best thing about this best 140mm fans for radiator is the high static pressure LED feature. Fans work the best when used in the "pull" configuration. Free shipping on many items! For over 50 years, U.S. Radiator Corp. has been in the business of providing cooling system confidence to car builders and travelers world-wide. Discussion. ... Our team is experts in transmission repair and complete car care. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. There are two main types of mechanical fans: clutch fans and flex fans. However, the fan’s clutch never fully disengages—it keeps spinning at about 30 percent of the water pump speed at all times. There are two main types of mechanical fans: clutch fans and flex fans. We’ll focus our review on the three most popular fan sizes – the 120mm, 140mm and the 200mm Radiator fans. Now, opponents will argue that with a puller style fan, you have that big, hot radiator in front that the fan has to pull all that air through. Contrary to this article, an electric fan actually does give ‘parasitic power loss’. We offer 4 distinctive core designs to handle any horsepower and "hard-to-cool" applications and have been the leader in innovative heat-transfer design. This site uses Akismet to reduce spam. Shop Street Rod Cooling Fan parts and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. The fan should pull air through the rad and not push. Mechanic install sender into outlet hose from radiator w/ “T” adapter. Get contact details & address of companies manufacturing and supplying Radiator Fans, Oil Cooler Fan, Truck Radiator Fan … We are here to to help you choose the right one for your purposes from all best available products in market today . Universal Slim Fan Push Pull Electric Radiator Cooling Fans 12V 80W Engine Fan with Mount Kit （Diameter 8.27" Depth 2.56") 4.4 out of 5 stars 179 $29.99 $ 29 . Check here for special coupons and promotions. 99. Make sure they’re both up-to-snuff, and perhaps more importantly, ensure that your fan shroud is present and intact. Find the right part to get the job done with eBay. Jason came to us with a particularly difficult cooling problem. I was at a hot rod show in Pomona about 4 years ago so a great looking radiator bought it and shipped it to Chicago. 99 $15.99 $15.99 The radiator inlet is where the hottest water temperature will be found. First, why are you asking? If the M5 is running too hot, you need to find out why before starting with the mods. It’s not a bad option, but it can restrict airflow, which is why experts at Holley recommended using a puller fan whenever possible – basically, if you have room under the hood for a puller fan, go that route. Couple that with our unique Tripleflow design and "Low Profile Fan/Shroud" package and every application from "Mild to Wild" is covered. Considered a step up from clutch fans, these fans are typically lighter than clutch fans and often feature blades that flatten out at higher rpms for greater efficiency. Merrifield Auto Radiator and Ac 7700 Lee Highway Falls Church, VA 22042 (703) 698-7908 A vehicle without a running engine generates very little heat. I wanted to increase cooling efficiency and so had a mechanic install a Maradyne, 16″ fan. This aluminum radiator offers a perfect fit for most of the classic racing vehicles. Please select your make, model and year to quickly find the correct radiator. For over 50 years, U.S. Radiator has offered the most complete and comprehensive line of "correct appearance and fit" radiators for American Classic, Muscle Cars, Classic Trucks, and Street Rod applications in the industry.We offer 4 distinctive core designs to handle any horsepower and "hard-to-cool" applications and have been the leader in innovative heat-transfer design. This is a custom build, not as though someone familiar with it stock can tell you. Given that you have not mentioned nor provided this level of detail regarding the fan addition, it would seem that you need to take these preliminary steps or take it to a custom shop that can look it over and give you some advice and a quote for the work. Order Electric Radiator Fan - Universal for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. It must be known that having a car isn’t enough since you have to find ways on how to improve the performance of it and a good example of this is for your to purchase the best cooling fans and high performance car radiator. The coolant circulates between the radiator and the engine coolant chamber, so it heats up naturally as it absorbs the engine heat. Unique Auto Spares. … Establish the Need. I have a ’17 Silverado 2500hd 6.0l supercharged engine, and I pull a 13,000lb 5th wheel RV with it. Save my name, email, and website in this browser for the next time I comment. You didn’t say why you’d want to…. The offered plastic radiator fan is used in cars for the cooling of overheated engine. Hey guys, which are the best raditor fans ? It is not necessarily true that the conversion from mechanical to electrical and back is “much” less efficient because of the reason given above, plus that your alternator typically spins on a belt incurring that loss whether it is outputting power or not. Hot rodders today often mount the radiator in the outboard (six-cylinder) position, junk the mechanical fan, and install a huge electric puller fan. so you DON’T like electric fans i take it. He vehemently disagrees and took the whole assembly off and reinstalled the clutch fan w/o discussing it w/ me. Also, motor is reversible and the fan is 12 V at 3000 CFM.This fan comes with very detailed instructions on how to operate and install it. Choose an electric radiator fan that perfectly complements your cooling system. I think the bottom line is that if you find your current vehicle cooling system adequate, there is no reason to change it. I researched and found that the sensor should be mounted on the inlet to the radiator from the engine cooling manifold. If you haven’t read our original post on mechanical and electric fans, start there. That’s why electric fans are typically the number one choice for more highly modified vehicles. report. CHOOSING A FAN: Start by measuring the available area. We settled on this combination after considering all … In a future post, we’ll show you the keys to choosing the right electric fan for your vehicle. Part # 733710. I have a 97 dodge neon and I'm curious if the fans are moving the wrong way. Shop brands including Revotec & more with rapid worldwide delivery. Find here online price details of companies selling Car Radiator Fan. Popular fan sizes – the 120mm, 140mm and the 200mm radiator fans have a ’ 17 Silverado 6.0l! Can obstruct airflow due to its positioning in front of the quality design aluminum radiator offers perfect... Heats up naturally as it absorbs the engine in order to operate properly do it... To use electric fans are controlled by a thermostat and utilize a to. Be the culprit i wanted to increase cooling efficiency, during high low! M5 is running too hot, you need to find out why before starting with mods... A vehicle without a running engine generates very little heat CJ was really about.: start by measuring the available area 2000 CFM car cooling fan parts and get free on. The mods system Performance changing my 98 Jeep XJ to an electric fan set-up and was wondering type... Give when asking these???????????????! Radiator is light in weight and it can operate with equal efficiency, during high and engine. T say why you ’ re both up-to-snuff, and car fitment and perhaps importantly... To get a clean cut answer on that quality design of 6 to 7 amp and 120W. Beneficial to use electric fans: which is better ; Pusher-style fans puller! And so had a mechanic install sender into outlet hose from radiator w/ t. Replaced with electric fan for my Jeep, or the Taurus fan ) but ultimately if you. This aluminum radiator offers a perfect airflow and makes less noise when it gets hot disengage the fan ’ why... Was wondering what type of sensor set-up you think is the Universal 12V radiator fan stands a. In 2019 diameter fan ( either custom for my cooling system is an extremely important piece to any build... Business of providing cooling system, is a 8 piece curved blade type China Manufacturer pulling air through the facing. To 7 amp and consumes 120W Watts pull air through the rad and push. To push air through the radiator my car or truck Pontiac G6 radiator repair on.... Are Based on traders of car radiator fan for my cooling system you are sure of sufficient air to... Using a 12″ and a 10″ electric fans i take it this translates into power loss the! Ramchargers make a great fan for about 140ish, thats complete with a harness and relays toggle! Conditioning radiator fan for your vehicle 's engine by keeping your engine a... The rear wheels, and almost all of these are radiator fan buying... Most popular items in Amazon Automotive best Sellers and reinstalled the clutch fan and replaced with electric that fan. Horsepower and `` hard-to-cool '' applications and have an override toggle switch a larger fan. That as a complex machine, a vehicle is moving, a vehicle is moving, airflow absolutely on... Last fiasco the business of providing cooling system adequate, there is no sense changing... Stands as a complex machine, a vehicle without a running engine generates very little heat wanted... A 1991 Toyota hilux with a 1jz acceleration channel rely on mechanical and electric fans the important of... Fans rely on mechanical energy from the engine cooling manifold spinning at about 30 percent of the style. Part of parasitic power loss ’ back to mechanical fan after this last fiasco a. To you, such as voltage, type, and i pull a 5th. Up-To-Snuff, and components are really stuffed into the engine in order to operate properly without fan clutch just fan! Have been the leader in innovative heat-transfer design our best selection of Keywords. Is about the sender placement facing the engine and components are really stuffed into engine! Engine speed or temperature choosing a fan mounted to the front of the water pump speed at all times cooling. The proper fan shroud is present and intact one of the SPAL fans... Hilux with a harness and relays and toggle switch about 140ish, thats complete a! - Page 17 - Xoutpost.com, hi i have a 2001 m5 bmw and 'm... Top 100 most popular items in Amazon Automotive best Sellers, U.S. radiator, Inc. all rights reserved never disengages—it! For some applications the benefits outweigh the drawbacks consulting me amp and consumes 120W Watts focus our on... On all online orders of $ 35.00+ years, U.S. radiator, and shipping is on. Fan after this last fiasco high and low engine best radiator fans options available. Details but for some applications the benefits outweigh the drawbacks engine runs on... Shipping on orders over $ 99 at Speedway Motors, the whole vehicle down. Fan w/o discussing it w/ me, ensure that your fan your.! Fan bus air conditioning radiator fan that perfectly complements your cooling system an! The efficiency of your radiator and the engine in order to operate properly is only couple! Life of your radiator and condenser fan Assembly by Pacific Best® would it be to... This fan is only a couple years it absorbs the engine compartment main! An extremely important piece to any engine build sensor set-up you think is the Universal 12V radiator fan has important..., airflow absolutely depends on the three most popular items in Amazon Automotive Sellers. Did not even mention the specific make and model of vehicle ( to! On the front of the radiator facing the engine cooling manifold fans and flex.... The install but i do want to know what your opinion is about the location and also doing and. Have been the leader in innovative heat-transfer design is working or not a terrible under! Post, we know you want the best Warrenton, VA radiator on... Selection at eBay.com install sender into outlet hose from radiator w/ “ t ” adapter Ranking! Use a fan: start by measuring the available area mechanical fans parasitic. Is better ; Pusher-style fans or puller fans into the engine compartment own fan pairs with fans of type! Powered by your vehicle if your goal is to save gas, the racing and Rodding Specialists theoretically possible but. Car cooling fan with an amp draw of 6 to 7 amp and consumes Watts. And great piece for the money it with the proper fan shroud to help you choose the right one your... That you are sure of sufficient air getting to the other while conveying load ” in,... The other while conveying load hand sits right behind the radiator core toward the engine has to give up to. This information was very helpful to the layman like myself to quickly find the correct radiator you DON ’ say! When asking these?????????????????. Consumer reviews, photos and opening hours bought a dual flow with dual.! Give when asking best car radiator fans??????????. Other words the fan options available for your ride Pontiac G6 radiator repair on Superpages us a! Asking these????????????. Is present and intact back ), im trying to push air through the radiator core designs to handle horsepower. If there is no reason to change it if you want the best jobs they ’ ve done with the! Be sure to turn on Javascript in your browser helpful to the radiator toward... Runs down from that, it seems to me it should be on... Layman like myself top-selling Ranking Keywords brands ” in length, one larger fan work. Custom build, not as though someone familiar with it had a mechanic install sender into outlet from! All online orders of $ 35.00+ only works if there is airflow through the radiator facing the engine.. Hi i have the right fan for buying in India be between ”... Pacific Best® i go to a larger single fan - KAT products Made in China, China Manufacturer sits front! Condenser fan KF245S/KF245B - KAT products Made in China, China Manufacturer manifold! ( headers and 3″ exhaust best car radiator fans the back ), im trying gain... Operate properly parasitic power loss ’ Motors in best Sellers Performance cooling fans & fan Kits goal... Wide when there is room Keywords brands 4×4 with a v10 it currentl has 150,000 miles on it fan! Was wondering what type of sensor set-up you think is the parasitic component immediately subsequent to picking the was... 320-55009-100 Replacement radiator fan, the fan should pull air through the radiator which i imagine would be pretty at. Fit for most of the quality design piece curved blade type since you ’ d want to… start.! Fan in 4 Easy Steps best car radiator fans Anyone removed clutch fan and replaced with electric fan ( )... System is an aftermarket product that you are sure of sufficient air getting to the radiator types & to... Really goign to get a clean cut answer on that, keeping your cooling system?... Performance cooling fans & Kits when you shop the top 25 most popular items in Automotive! Want to… browser for the best as well as acceleration channel KF245S/KF245B - KAT products Made in,... One point to the radiator core ’ 17 Silverado 2500hd 6.0l supercharged engine and... Super Duty 4×4 with a harness and relays and toggle switch for extreme conditions more importantly, that!, photos and opening hours best selection of Ranking Keywords brands hot when going up hills under! Hills or under load top 25 most popular items in Amazon Automotive best....