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motor swap to ls1

This is a discussion on motor swap to ls1 within the General Help forums, part of the LSx Technical Help Section category; Hi I have a 1991 Z28 with the 5.7 TPI. I've seen a ton of LS1's on eBay complete w/ ...

  1. #1

    motor swap to ls1

    Hi I have a 1991 Z28 with the 5.7 TPI. I've seen a ton of LS1's on eBay complete w/ auto tranny. If I were to buy this with all accessories would it be a direct swap or a royal PITA?


  2. #2
    Tech Junkie hammertime's Avatar
    Join Date
    Nov 2005
    Belleville, IL

    Pewter Metallic
    2001 Camaro SS

    Not going to be a bolt in swap. LT1 would be, and those are cheaper than LS1 engines. Last one I saw involved making new motor mounts, cutting the saddle in the front subframe and boxing it in for clearance, etc.

    On the other hand, being all aluminum, you'll reduce the front weight by about 150 lbs or more over an iron block 350. That and the 100 extra hp add up to one fast 3rd gen, even for a stocker.
    Hammer -
    2001 Light Pewter Metallic Camaro SS, 6 speed
    K&N, SLP Lid, SLP y-pipe, GMMG cat-back, Lou's Short Stick - more to come!

  3. #3
    Senior Member 02z28ls1's Avatar
    Join Date
    Sep 2005
    near St. Louis

    navy blue
    2002 Z-28 Camaro M6

    royal PITA

  4. #4
    Hemi Destroyer 98-LS1's Avatar
    Join Date
    Oct 2005
    Knoxvegas, Vol country Tennessee

    Sebring Silver
    98 Z-28 camaro

    I'm doing the conversion to my 87 and it's a pain but not too bad if your car can be parked for a while. It's also expensive, I'm over a $1,000.00 allready and I still don't have the motor or tranny

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