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Thread: Proven Combo's for 12s

  1. #31
    Join Date
    Mar 2012
    Location
    Colorado springs
    Posts
    115
    I know it's minor to most, but altitude plays a huge role. I'm close to Denver so it weights on my mind while looking at these combos.

  2. #32
    Join Date
    Mar 2003
    Location
    San Antonio, TX
    Posts
    11,038
    I'll put the old rig in.
    '05 Avalanche 5880lbs, 2wd, 5.3L, 4l60e w/ shiftkit/servo
    208/212-.525cam, STS turbo kit, 5psi, intercooled
    20's, 285's, posi, 3.42's, 16"diameter Wilwood brakes
    109 unleaded, lots of timing at SAR
    12.92 @ 105
    ran this several times, just barely a 12, but still a solid 12sec truck

  3. #33
    Join Date
    Apr 2011
    Location
    Texas
    Posts
    295
    Not a ls truck but for shits and giggles

    1998 ss camaro
    3450 race weight
    ls6 intake, ported TB
    1 3/4 long tubes, ORY
    Nelson Tune
    12.6 @ 110 mph elevation 500 da -500
    Last edited by 98silverbullet; 01-18-2013 at 03:24 PM.
    2006 Silverado aka (Bad Bitch)
    K&N CAI, Diablo Predator, muffler delete, and a vette servo. 14.7x @ 93 mph (sold)

    1998 SS Camaro aka (Silver Bullet)
    LS6 intake, ported TB, LTs, ORY, cut out, and a pantie dropping tune by Nelson. 12.6 @ 110 mph 327 hp 347 tq

    2011 ecsb silverado aka (silver sleeper)
    forged 6.2 and a small snail

  4. #34
    Join Date
    Mar 2011
    Location
    Gibbstown, NJ
    Posts
    685
    Quote Originally Posted by 98silverbullet View Post
    Not a ls truck but for shits and giggles

    1998 ss camaro
    3450 race weight
    ls6 intake, ported TB
    1 3/4 long tubes, ORY
    Nelson Tune
    12.6 @ 110 mph elevation 500 da -500
    Was this with the stock LS1 motor?

  5. #35
    Join Date
    Apr 2011
    Location
    Texas
    Posts
    295
    Quote Originally Posted by MrHorsepowerLSx View Post
    Was this with the stock LS1 motor?
    yes sir valve covers never been off
    2006 Silverado aka (Bad Bitch)
    K&N CAI, Diablo Predator, muffler delete, and a vette servo. 14.7x @ 93 mph (sold)

    1998 SS Camaro aka (Silver Bullet)
    LS6 intake, ported TB, LTs, ORY, cut out, and a pantie dropping tune by Nelson. 12.6 @ 110 mph 327 hp 347 tq

    2011 ecsb silverado aka (silver sleeper)
    forged 6.2 and a small snail

  6. #36
    Join Date
    Mar 2011
    Location
    Gibbstown, NJ
    Posts
    685
    That's awesome, I love how simple bolt ons make huge power
    Last edited by MrHorsepowerLSx; 01-20-2013 at 05:18 PM.

  7. #37
    Join Date
    Apr 2011
    Location
    Texas
    Posts
    295
    Quote Originally Posted by MrHorsepowerLSx View Post
    That's awesome, I love how simple bolt ins make huge power
    ya she made 327 on a 100 degree day before the Nelson tune. I bet its more like 345 now in nice weather.
    2006 Silverado aka (Bad Bitch)
    K&N CAI, Diablo Predator, muffler delete, and a vette servo. 14.7x @ 93 mph (sold)

    1998 SS Camaro aka (Silver Bullet)
    LS6 intake, ported TB, LTs, ORY, cut out, and a pantie dropping tune by Nelson. 12.6 @ 110 mph 327 hp 347 tq

    2011 ecsb silverado aka (silver sleeper)
    forged 6.2 and a small snail

  8. #38
    Join Date
    Mar 2011
    Location
    Gibbstown, NJ
    Posts
    685
    Still awesome gains for otherwise stock stuff

  9. #39
    2008 silverado Vortec Max Ext. Cab Short bed
    "built tranny" 3600 stall (witch i found was bs... basically stock trans)
    Pacesetter long tubes
    True duals, no cats
    K&N
    comp cam 238/239 112lsa .605lift

    Stock everything else 6.0 L76 (aluminium block)
    Stock 823 casting "l92 type heads"
    Stock 14 bolt 373 rear end

    back seat removed. spare removed, towhitch removed.
    17" steelies

    12.5 @105
    I weighted the truck at 4957 lbs a while back with all the seats and everything.

  10. #40
    Join Date
    Mar 2011
    Location
    Gibbstown, NJ
    Posts
    685
    Quote Originally Posted by MrHorsepowerLSx View Post
    Was this with the stock LS1 motor?
    What rear gears and tires were you using to get that time?

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