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Quick Question...

This is a discussion on Quick Question... within the Drivetrain forums, part of the LSx Technical Help Section category; Hey im new here just needed a quick opinion i have a 98 M6 Ls1 with just ported ls6 heads ...

  1. #1
    Junior Member
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    Red
    98 Camaro Z28

    Quick Question...

    Hey im new here just needed a quick opinion i have a 98 M6 Ls1 with just ported ls6 heads a custom grind cam true duals chromoly pushrods efi live custom tune an a slp lid... Dynoed 396 to the wheels before the duals

    best 1/4 mile time was a 12.3 on DR's spinnin a little with a bad clutch

    My question is how much would my 1/4 mile time benefit from puttin 4.10's in it? it currently has a stock rear with stock gears. Racing a GTO we were at ~150ish and it seems as if i dont have enough gear for my 6th gear so i figured i wouldnt lose to much driveability as a 5spd would...

    Any advice for gear choice or my next upgrades would be great thanks!

  2. #2
    Senior Member bills98ta's Avatar
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    1998 Trans Am

    4.10 is a great gear. Your 5th & 6th are both overdrive ! You will like it !

  3. #3
    Senior Member karpetcm's Avatar
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    01 Camaro 6speed

    with 4.10's your car will be more fun to drive and make better use of its power. You will have issues with traction no doubt and might have the possibility of breaking those gears since you have more teeth. If you can get good traction you will definitly improve your times and your 5th and 6th gears will pull much better on the highway.

  4. #4
    2 SS's are better than 1 Jays00ss's Avatar
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    NBM / Silver
    00 SS / 71 SS Elcamino

    4.30's here (In a 9") with almost the same horsepower readings (have a few more ponies than you). Absolutely love the gears for the street as well as the track.

    26.5" Tall MT Streets at the track, trapping at 6600 in 4th. Right in the sweet spot. In Denver (5800 ft above sea level) I run 12.75 111 mph. (about a 1 to 1.5 second slower than you all at sea level).
    Last edited by Jays00ss; 06-09-2009 at 09:26 AM.
    2000 SS Camaro Heads, Large cam, Fast 90, 9"w/430's and locker, yada yada yada... you get the picture

    1971 SS ElCamino 402 Big Block 550HP

    2006 Silverado 2500HD 496 cubic inches of pure muscle

  5. #5
    Senior Member karpetcm's Avatar
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    01 Camaro 6speed

    man, i was hoping to get 111-112mph after my LT, Ory and re-tune but with some of the numbers you guys are pulling that are much higher then what im gonna get and getting 111-113mph i dont stand a chance, if im lucky i might pull off 109mph with about 350-360rwhp.
    1993 Z28 M6: K&N Intake, 52mm TB, TB Bypass, No Cats, Exhaust Cutout, Flowmaster Muffler, 3.90 Gears, 160 Thermo, Tune, BMR Springs, Bilstein Shocks, 3 Point SFC,s & MGW Shifter.

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