3.0 Under Drive Pulley

Discussion in '3.0 Engine' started by Hurley, Feb 21, 2012.

  1. Hurley

    Hurley Superultramegalurker

    So I just bought an under drive pulley for my 3.0. My question is do i need a different belt for this or can I use my stock belt?
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  3. Dcrymes99ranger

    Dcrymes99ranger Riding low and broke!!!

    When you buy the set from I can't remember the website the set comes with a new gator belt. But I don't see why you couldn't use the stock belt. But since you have it off, check for cracks and replace if needed!!!!
  4. OP

    Hurley Superultramegalurker

    I didn't buy the set, I only bought the crank pulley
  5. 01B3000

    01B3000 ORIGINAL Portable Seizure

    No, the underdrive pulley is smaller and you need a smaller belt, im not sure what size, i know a guy on the other site that knows what belt you may need
  6. the guy with the 2wd yellow truck 01rangerdanger maybe I know he installed the underdrive pulley
  7. doyouquaxu

    doyouquaxu FUUUUUUUUUUUUU

    put the pulley on, take a piece of string and loop it around all the pulleys in the proper order. then measure how long the string is.
  8. OP

    Hurley Superultramegalurker

    Is there anywhere online that I can buy the belt that was supposed to come with this pulley? I tried their website but it says they don't sell these pulleys anymore
  9. is it the underdog under drive pulley?
  10. OP

    Hurley Superultramegalurker

    Yeah its underdog
  11. OP

    Hurley Superultramegalurker

    So I can use the stock belt?
  12. I would think so
  13. OP

    Hurley Superultramegalurker

    Ok sounds good. I'm gonna give it a shot tomorrow
  14. I was wrong , it does require a different belt
  15. For single belt 3.0L Ford "Vulcan" engines;
    -With air con, Dayco part# 5060870 or a Goodyear & Rubber co. # 406087 (87 inch)

    Gatorback belt # 4060872 for the 3.0 with a/c.

    Some trucks like a slightly shorter belt and an 86 inch will work as well.

    -Without A/C, Try a Dayco (or equivalent) belt # 5060850 (85 inch)

    The belt should be easy to find because it's a common size.

    best to measure or contact underdog
  16. OP

    Hurley Superultramegalurker

    Thanks! What worries me is that when I put the new motor in I used the pulley assembly from a 94 which is bigger than a 99 assembly, so would that matter at all?
  17. take your old belt off and measure it , the only two other belts I know of are listed above, ones a couple inches longer
  18. OP

    Hurley Superultramegalurker

    Yeah that's what I'm gonna have to do
  19. DrIftKi7Vg

    DrIftKi7Vg Sunny Soonkyu

    Do you happen to have the link of where you got it? I really want the under drive pulley.
  20. OP

    Hurley Superultramegalurker

    I got it used from a member on another forum

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