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  1. #1

    Jeep 3.7L... Supercharger or Turbo???

    My question is... Is there any supercharger or turbo kits for that motor. Or has anyone made either work on the 3.7L Jeep motor? Thanks for any input.

  2. #2

    Join Date
    Aug 2008
    Location
    Middle Of Nowhere, WY
    Member #
    15233
    Kenne Bell discontinued the Supercharger they sold, pistons were to weak for a mild supercharger, You'd have to upgrade the pistions before you slap a supercharger on it


    See Here.
    One flopped yota

  3. #3
    Sons a biznatch...

  4. #4
    Avenger superchargers is here in the springs they for sure make them for the 4 oh and I beleive that they have one for the 3.7 also. It is all bolt on to.
    Its got a lil bit of this a Lil bit of that.

  5. #5

    Join Date
    Aug 2008
    Location
    Middle Of Nowhere, WY
    Member #
    15233
    ask them about he pistons, see if its a concern before you bolt one up, It wouldn't be to much work to swap pistons

  6. #6

    Join Date
    Jan 2002
    Location
    Parker, CO
    Member #
    389
    jack from avenger does have a supercharger available for the 3.7l however you have to cut a hole in the hood due to the height of the unit. his jeep may still be at nemesis.
    1994 Toyota FZJ80 - elocked, 3in OME lift, 315/75-16 KM2s, Warn 8274.

  7. #7
    Hemi conversion, drop the 3.7 into the same pond you threw the Dana 35....

  8. #8
    Quote Originally Posted by SoK66 View Post
    Hemi conversion, drop the 3.7 into the same pond you threw the Dana 35....
    Sure thing... go ahead and give one to me and I'll get right on it

  9. #9
    svoman2300's Avatar
    Join Date
    Oct 2006
    Location
    Fayetteville, TN
    Member #
    10678
    Quote Originally Posted by 1/4 Eliptical YJ View Post
    Sure thing... go ahead and give one to me and I'll get right on it
    Since the supercharger kit is $4495, I think a V8 swap could be done for around the same price.
    86 AMC Eagle Wagon

  10. #10
    1BADKJ's Avatar
    Join Date
    Feb 2007
    Location
    Colorado Springs CO
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    11609
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    Quote Originally Posted by svoman2300 View Post
    Since the supercharger kit is $4495, I think a V8 swap could be done for around the same price.
    You'd have to add another $1500-$2000 or so to install forged pistons.The OEM 3.7 pistons will not take boost(even as low as 2-3psi) very well before breaking the top ring groove which is to close to the top of the piston to help with emissions.
    '02 KJ,SkyJacker lift,ARB in rear,Detroit TT up front,and a custom paint job.:P

  11. #11
    Quote Originally Posted by 1/4 Eliptical YJ View Post
    Sure thing... go ahead and give one to me and I'll get right on it
    I suppose someone was going to give you the supercharger, too, huh?

  12. #12

    Join Date
    Jun 2008
    Location
    Littleton, CO
    Member #
    15042
    Quote Originally Posted by SoK66 View Post
    Hemi conversion, drop the 3.7 into the same pond you threw the Dana 35....

    Agreed...I am not going to waste any money an the junk 3.7!!

    $4500 for a RIPP and a few HP, or $4000 for AEV kit and $3500 for hemi and tranny for a total difference of $3000 you get a great engine with plenty of power and a great exhaust note
    2007 JK Unlimited Rubicon
    37" MTR/Kevlar
    ProRock 60's 5.38's ARBs

  13. #13
    Quote Originally Posted by 1BADKJ View Post
    You'd have to add another $1500-$2000 or so to install forged pistons.The OEM 3.7 pistons will not take boost(even as low as 2-3psi) very well before breaking the top ring groove which is to close to the top of the piston to help with emissions.
    Plus all the tune time and headaches that come along with putting a SC on a motor not built for it.

    Hemi or stick with the 3.8L.
    Hacked XJ gone. Proud JK owner.

  14. #14
    3.8L is a different engine My friend...

    I like the 3.7 in my mothers Lib, it seems good enough.

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