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Thread: ls3 into obs crew cab

  1. #11
    Join Date
    Nov 2011
    Location
    Arlington, Tx
    Posts
    416
    Will be sick once it's done. We have a obs at the shop with a 6.2 and 4l80e and it's a beast. I don't know of any 1 7/8 headers made for hat swap though.
    PERFORMANCE-TUNING-FABRICATION
    12617 FM 917
    Alvarado, TX 76009

  2. #12
    Join Date
    Feb 2012
    Posts
    108
    that day on the picture was the last time i pulled the trailer with it. it had just been painted and dont want to messed up. i was thinking about a 3/4 drop with 305 35 24.

  3. #13
    Join Date
    Feb 2012
    Posts
    108
    hey lsxps do you have a dyno at your shop

  4. #14
    Join Date
    Nov 2011
    Location
    Arlington, Tx
    Posts
    416
    We have acess to a dyno anytime we need it about 5 mins down the road. Same place we do all of our dyno tuning
    PERFORMANCE-TUNING-FABRICATION
    12617 FM 917
    Alvarado, TX 76009

  5. #15
    Join Date
    Aug 2008
    Location
    mansfield texas
    Posts
    3,520
    OP here you go, a idle and drive off of "paycheck's" cammed six two with and eighty big stall and build rearend... Sorry wont post numbers right now!

    http://static.photobucket.com/player...7-06_887-1.mp4

  6. #16
    Join Date
    Feb 2012
    Posts
    108
    im looking to dyno test it before and after the swap . it has a 5.7 with 4l80e trying to see what kind of power loos it has rigth now, also the engine im getting is an ls3 e-rod.
    but im considering an lq4 2005 that a friend has over where he works

  7. #17
    Join Date
    Nov 2011
    Location
    Arlington, Tx
    Posts
    416
    An lq4 is definitely going to be more simple and wallet friendly compared to the 6.2. But everybody has a 6.0.....
    PERFORMANCE-TUNING-FABRICATION
    12617 FM 917
    Alvarado, TX 76009

  8. #18
    Join Date
    Feb 2012
    Posts
    108
    have you dynod an lq4 with l92 heads, the ls3 is rated at 430 , also saw some tread that dyno numbers came at 490 to 495 hp.

  9. #19
    Join Date
    Nov 2011
    Location
    Arlington, Tx
    Posts
    416
    All depends on the complete setup. Rear end, transmission, and so on. Give us a call, 817-733-0143. We can help ya out if you need anything or have any questions
    PERFORMANCE-TUNING-FABRICATION
    12617 FM 917
    Alvarado, TX 76009

  10. #20
    Join Date
    Feb 2012
    Posts
    108
    hey guy . im still getting all parts together before i order the engine . i found some 1 7/8 headers from southern performance does anyone have any info on them or install pics.
    so far i got billet specialties tru trac system and efans. planing to order headers and mounting plates this weekend

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