underdrive pulleys worth it?? - Ranger-Forums - The Ultimate Ford Ranger Resource


4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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Old 07-09-2009
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underdrive pulleys worth it??

are underdrive pulleys worth the price??? Now that i have 33s i wanna restore some of my lost power im thinkin pulleys and JBA headers.
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Old 07-09-2009
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I have never heard anyone say a bad word about them. For the low cost its pretty good bang for your buck.
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Old 07-09-2009
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worth it, hands down!
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Old 07-09-2009
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how hard is it to intall??? wouldnt i need to take my front end off to get to the crank pulley??
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Old 07-09-2009
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Nah, just remove the fan and shroud.
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Old 07-09-2009
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Since you have to remove the fan and shroud anyway I'd install an e-fan vs. those JBA headers. The e-fan will free up 5-10hp lost from the drag of the stock fan. I'd overdrive my alternator too.
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Old 07-09-2009
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k... i'll look into investing in a set. then headers down the road
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Old 07-09-2009
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Quote:
Originally Posted by Off-roadranger04 View Post
k... i'll look into investing in a set. then headers down the road
Good move. I just dont think the headers offer that "bang for the buck" that other mods do. Now throw on a supercharger, port/polish, and a tune and you'd need those headers.
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Old 07-09-2009
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hmm i may consider that... i'll have to check to see if there is a thread on how to intall a e-fan
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Old 07-09-2009
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Good move. I just dont think the headers offer that "bang for the buck" that other mods do. Now throw on a supercharger, port/polish, and a tune and you'd need those headers.

well id like to have a bama tuner and a supercharger WAYYYY down the road.
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Old 07-09-2009
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I love mine. fan and water pump pulley were a PITA but worth it.
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Old 07-09-2009
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hmm i may consider that... i'll have to check to see if there is a thread on how to intall a e-fan
I believe there is. Now there are two type people use the most. The Flex-a-lite and the Ford Taurus e-fan.
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Old 07-09-2009
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I believe there is. Now there are two type people use the most. The Flex-a-lite and the Ford Taurus e-fan.
which is better?? or the least expensive.
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Old 07-09-2009
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yep. undrive your crank, overdrive your alt.
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Old 07-09-2009
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Here are some Threads to read over.

https://www.ranger-forums.com/forum2...ll-2speed.html

https://www.ranger-forums.com/forum2...n-install.html

The Taurus fan will be the cheapest, since you just have to get one from a wrecked Taurus at a junkyard. The Flex-a-lite is a kit and everything is brand new.
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Old 07-09-2009
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Honestly - I've heard nothign but mostly bad from Efans - there fail rate is pretty high, and they temp sensors have issues.. alot of people regret going form a stock fan to the efan.. especially once they realize the fan isnt wanting to work properly...

I dunno, do some searching - see what you come up with..!
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Old 07-09-2009
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Originally Posted by Off-roadranger04 View Post
which is better?? or the least expensive.
Imo the taurus efan is better and the least expensive i think my whole set up cost about 60$ for every thing I've had it in my truck for about 4500 miles with no issues an my friends been running one in his v8 s10 for about 2 years with no problems either
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Old 07-09-2009
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Its been a few years, but i went to the track all stock. After installing 33's i went back and ran the same times. I wish i could remember the mods i added with the tires. I know I put the pulley on. past that I probably had an intake and exhaust.

I'm in the list of guys that was left stranded on the side of the road overheating from an aftermarket e-fan as well as an oem fan. It's a possibility. You can say oem is better and should last, but stuff happens. My 03 mach 1 has 18,000 miles on it. It has had the e-fan replaced. If you do it, don;t sell off the stock fan. keep it in the truck if possible. It could save the day.
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Old 07-09-2009
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idk i may just do the pulleys and leave the stock fan... i'll read into it before i do anyhting tho
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Old 07-09-2009
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there are advantages (e-fAN) for an offroad vehicle. One of them is turning it off when going through mud or water. what killed mine was leaving it on while going through a puddle. It hit the water, broke a blade and burnt the fuse. I didn;t know it happend and ran for three days without the fan working. It took being stuck in traffic on a hot day for it to overheat. I mostly drive hiway miles.
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Old 07-09-2009
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something I havn't seen mentioned: 4.0's isn't just a bolt on-bolt off deal like the 3.0's have. Certainly isn't as cheap either since hte pulley and balancer are one unit.
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Old 07-09-2009
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Quote:
Originally Posted by Fx4wannabe01 View Post
something I havn't seen mentioned: 4.0's isn't just a bolt on-bolt off deal like the 3.0's have. Certainly isn't as cheap either since hte pulley and balancer are one unit.
yeah a just the main pulley is 250$ for the 4.0
4.0L Pulleys : Underdog-Performance, The Art of Power
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Old 07-09-2009
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that one difference (price) makes a tuner that much more attractive on a 4.0. Yes its an extra $100, but 0 on the bloody knuckles.
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Old 07-09-2009
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my plan is to do the pulleys then the bama
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Old 07-09-2009
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why is this thread up? I JUST sold my ASP UDP yesterday. :( Never even put it on.
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