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Transplanting 2G Timing Belt parts to 1G?

Posted by squid267, Mar 24, 2013

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  1. squid267

    squid267 Proven Member

    Joined Jan 14, 2012
    Worcester, Massachusetts
    Im doing a 6 bolt swap on my 2G. My 1G looks like this


    Lots of rust. Cant I transplant the 2G Timing Belts parts, as in camshafts and pulleys, tensioner, sprockets etc to my 1g with out issue?

    2g timing side


  2. rx7ttlm

    rx7ttlm Proven Member

    Joined May 20, 2008
    Portland, Oregon
    It's been a while since I did the swap, BUT I know the tensioner is different between 1g/2g. The other thing I am questioning is the tensioner pulley, the one with the snake bite holes. If your 1g cams aren't rusted measure the max lobe thickness and compare to 2g,iirc there is like 0.020 more lift on the 1g cam and it's totally compatible with 2g.

  3. pauleyman

    pauleyman DSM Wiseman

    Joined Nov 19, 2011
    oklahoma city, Oklahoma
    Tensioner pulleys are differnt.

    Street Build 3K  1

    1997 Eagle Talon TSi AWD
    awd · manual · 2G DSM
  4. 1Gina2G

    1Gina2G Proven Member

    Joined May 6, 2011
    Beaufort, South Carolina
    tensioner pulleys are different but a 7 bolt pulley can be used on a 6 bolt block. The 2G tensioner is totally different then a 2g and will not fit, same for the tensioner's swing arm piece. there's apparently a 1mm difference in the idle pulleys. Not %100 on the cams but they look good anyways and I'd just use whatever style cams that the head is.
  5. rx7ttlm

    rx7ttlm Proven Member

    Joined May 20, 2008
    Portland, Oregon
    I am 100% on the cams. Just as long as they are turbo cams in the 1g they are 0.010 more lift than the 2g. I double checked with the build list on road race's site.
    Last edited by a moderator: Jul 10, 2014
  6. JusMX141

    JusMX141 Moderator

    Joined Dec 13, 2005
    Greensburg, Pennsylvania

    3K  0

    1998 Mitsubishi Eclipse GST
    manual · 2G DSM

    5K  14

    1997 Mitsubishi Eclipse GSX
    awd · manual · 2G DSM

    3K  0

    1992 Eagle Talon TSi
    manual · 1G DSM

    3K  0

    1993 Eagle Talon TSi AWD
    manual · 1G DSM
  7. BogusSVO

    BogusSVO Proven Member

    Joined Jul 1, 2009
    Pensacola, Florida

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