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Thread: my 1968 c10 with 5.3 an a 91mm turbo

  1. #61
    Join Date
    Sep 2011
    Posts
    1,235
    Quote Originally Posted by o2camaross View Post
    Yea I've been reading it Jansen lol. Ill just push it till it blows but I got a plan that Ill start working on soon
    Secrets don't make friends !
    99 rcsb silverado...... boosted.

  2. #62
    how fast r u 02camaross?
    my badass 1968 chevy with a 5.3 an a 91mm turbo

  3. #63
    Join Date
    Jan 2008
    Posts
    1,550
    Not as fast as yours lol. It should be mid 10's at 15 psi. I havent been to the track since I put the new turbo on. Old on was 76/64 with 3" dp, now its 80/78 with 4" dp. On 14 psi with the old setup and 28/10/16 hoosiers it went 10.9 @ 125. The new setup breathes a lot better so Im guessing mid 10's at 15psi with my new 29.5/10.5/15 MT's. Ill turn it up from there. But the truck is down for a little bit bc I got hit last Friday so I need to fix it and I plan to do a few little tweaks to help it out

    04 RCSB 5.3, Homemade 80mm FM, TU1, TH400

  4. #64
    Hey rzron30s, what short block did you have? Early or late model? That is very impressive? Were the heads stock? Also how much does it weigh? What fuel? I'm just curious on what people are pushing them to before they let go... Bad azz runs BTW! Congrats on the 9.88 pass!!! As far as I know thats a record on a full size truck with a 5.3!
    -John

    1989 RCSB 2WD Silverado w/6.0 & turbo swap in the works

    Turbo build:Click Here

    Previous 6.0 build thread:Click Here

  5. #65
    2004 short block with arp rod bolts an arp head studs.heads were 317's with a little touch up, running on e85...the truck weighs 4130 with me in it(i weigh 260)..everyone keeps saying its a record, but i dont know how to verify that..

  6. #66
    Join Date
    Apr 2005
    Posts
    4,229
    Any progress?
    Gone, but not forgotten!

  7. #67
    Join Date
    Oct 2011
    Location
    San Antonio TX
    Posts
    1,150
    Yea, is the 418 in there yet lol.


    4.8, TSP 220, 6L90 swap, 3400 Stall, 4.10s w/30" drag radial and T76 @ 16lbs.
    Best ET 11.54@114 w 1.52 60ft
    Raceweight 4905 lbs.

  8. #68
    Doing a 6.0, scat rods, wiesco pistons, holley intake, ...actually the same set up the 5.3 had, just boring the 6.0,30 over...hoping for low 9's this time..(2 more weeks)

  9. #69
    I like how you dialed a 10.00 and ran right on the money. I just finshed my 5.3 build but the 4l80 e didnt like the power .lol i pulled 837 hp on 16 psi but my truck a heavy pig

  10. #70
    Quote Originally Posted by GBNL View Post
    I like how you dialed a 10.00 and ran right on the money. I just finshed my 5.3 build but the 4l80 e didnt like the power .lol i pulled 837 hp on 16 psi but my truck a heavy pig
    What kind of truck? Do u have a thread somewhere for me to check it out?

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