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gears

This is a discussion on gears within the Drivetrain forums, part of the LSx Technical Help Section category; just wondering if anyone can help me i have a 2000 camaro z 28 mass air,k and n filter,throttle body ...

  1. #1
    burnem up pewter Z28's Avatar
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    pewter
    2000 camaro Z28

    gears

    just wondering if anyone can help me i have a 2000 camaro z 28 mass air,k and n filter,throttle body upgraded stock other than that what gears brand where to get so on thanks any help would be great i think stock is 2.43 or something real close

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    Exalted Cyclops 67CamaroRSSS's Avatar
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    2002 Z28 A4 NBM
    Sadly now demodded :(

    If you're an A4 then the stock gearset would be 2.73 (GU2) with 3.23 (GU5) being the optional gearset. Check your door info to see.

    Best all around gearset for an A4 is 3.73. Get AAM gears if you can. Richmond as an alternate. I don't want to cause problems but I've had nothing but gear whine out of Motive gears.

    And if you do a high stall torque converter stock 3.23's will work just fine.

    1st: SFC's, SFC's, SFC's... You want to be able to close the doors down the road yes???
    2nd: TC with associated tranny mods. This includes a cooler.
    3rd: LS6 intake manifold.
    4th: Exhaust. Lots of ways to go here.

    At this point you'll probably have to upgrade rear suspension cuz it'll be romping real hard. See my sig for details.

    There are way more things to do but think of doing these first.
    67 Camaro: K-K + 797-z (look it up), 454/Th400/4.10 12-bolt = 6mpg, PS/PDB/PW tilt, tach, gauges...

    2005 Corvette LS2/M6 Magnetic Red Metallic (What else would it be?) w/ Cashmere interior

    2002 Z28: NBM/Tan, MTI smooth lid, smooth bellows, !AIR, !cats, 1-3/4" QTP SS LT's, 2-1/2" TD's with X-pipe, MagnaFlows dumped at axle, custom welded SFC's, MidWest Chassis body mount adjustable T/A, 3400 stall, 3.23 gears (was 2.73). Tuned: 343rwhp/357rwt (before TD's). Best: 12.559 @ 108+, 1.73 60' @ 3500' DA w/MT ET Street DR's.

    Carbon footprint? CLOWN SHOE!

  3. #3
    burnem up pewter Z28's Avatar
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    pewter
    2000 camaro Z28

    how do you feel about bolt ons sfc

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    Black & Blue
    '02 WS.6 / '07 Suburban

    Bolt on SFC's are fine and can always be welded later. We have UMI 2 point bolt ons installed under our car. They definitely make a difference. If you are an autocrosser, or plan on having a tunnel mount torque arm, then check out the 3 point design. I will also put in a plug for UMI -- they make great stuff.

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    Member c5z28's Avatar
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    3.23's on a stock stall suck. I feel like I'm waiting for boost half the time

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    Impounded
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    VW BEETLE W/ FLOWER
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    my richmond gears are noisey as hell. but the exhaust is loud enough to drown it out most of the time. sounds like a turbine on decel..i just tell passengers "prepare for lift off, this birds goin too the moon!"

  7. #7
    burnem up pewter Z28's Avatar
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    pewter
    2000 camaro Z28

    i use this as daily driver so dont wana go to deep need to drive interstate but think i need something better than 273 in automatic stock ls1
    gears and stall

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    Member c5z28's Avatar
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    According to the calculator gears with a 17" rim
    2.73 at 70mph =1751rpm
    3.23=2072 (About right in my car)
    3.42=2194
    3.73=2393
    3.90=2502
    4.10=2630
    At 65mph
    2.73=1626
    3.23=1924
    3.42=2037
    3.73=2222
    3.90=2323
    4.10=2442
    And 3.23's are out of the question so take your pick
    Last edited by c5z28; 07-28-2010 at 09:36 AM.

  9. #9
    burnem up pewter Z28's Avatar
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    Quote Originally Posted by c5z28 View Post
    According to the calculator gears with a 17" rim
    2.73 at 70mph =1751rpm
    3.23=2072 (About right in my car)
    3.42=2194
    3.73=2393
    3.90=2502
    4.10=2630
    At 65mph
    2.73=1626
    3.23=1924
    3.42=2037
    3.73=2222
    3.90=2323
    4.10=2442
    And 3.23's are out of the question so take your pick
    i have to say 373 are looking good but 410s would be fun what is good stall if i just got throttle body filter and mass air planning on slp wxhaust very soon gears stall next year tires

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    Member c5z28's Avatar
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    Port the throttle body, leave the mass airflow sensor alone. What exhaust from slp, unless it's the dual dual muffler or the lm2 I advise against it for 2 reasons
    1.Headers suck
    2. Lm-1 with headers suck

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    Member c5z28's Avatar
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    Well for bolt-on autos I am trapping a 108mph at the 1/4mile
    3.23's at 110mph=4652
    3.42=4925
    3.73=5372
    3.90=5617
    4.10=5905
    With a stall I guess the trap speed would go down a bit, but I like to think if you want to top out on third gear at the end of the quarter it looks like 4.10's are the best bet. I know stock for stock 3.23's yield roughly .2 e.t faster times at the track. And my 3.23's are just getting back into the power band at the end of the quarter.

  12. #12
    burnem up pewter Z28's Avatar
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    Quote Originally Posted by c5z28 View Post
    Well for bolt-on autos I am trapping a 108mph at the 1/4mile
    3.23's at 110mph=4652
    3.42=4925
    3.73=5372
    3.90=5617
    4.10=5905
    With a stall I guess the trap speed would go down a bit, but I like to think if you want to top out on third gear at the end of the quarter it looks like 4.10's are the best bet. I know stock for stock 3.23's yield roughly .2 e.t faster times at the track. And my 3.23's are just getting back into the power band at the end of the quarter.
    how accurate are these numbers ? i feel that i would like to go 410 but gut says no go 373

  13. #13
    Member c5z28's Avatar
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    They are based off an auto calculator on another website. This assumes you have a 17" wheel and a .7 to 1 overdrive. 1/4 mile ones are 1 to 1. My car does about 200rpm at 70 mph, compare it to yours.

  14. #14
    burnem up pewter Z28's Avatar
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    Quote Originally Posted by c5z28 View Post
    Port the throttle body, leave the mass airflow sensor alone. What exhaust from slp, unless it's the dual dual muffler or the lm2 I advise against it for 2 reasons
    1.Headers suck
    2. Lm-1 with headers suck
    i am thinging lm2 have aftermarket tb kn mass air flow only so far

  15. #15
    Member c5z28's Avatar
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    If you ever get headers it will sound like ass.

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    burnem up pewter Z28's Avatar
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    Quote Originally Posted by c5z28 View Post
    If you ever get headers it will sound like ass.
    what about magnaflow is this any better

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    Member c5z28's Avatar
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    Quote Originally Posted by pewter Z28 View Post
    what about magnaflow is this any better
    Any muffler with a chamber is going to sound better. The reason loudmouth will sound bad is because it's 1 step above a straight pipe.

  18. #18
    burnem up pewter Z28's Avatar
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    Quote Originally Posted by c5z28 View Post
    Any muffler with a chamber is going to sound better. The reason loudmouth will sound bad is because it's 1 step above a straight pipe.
    good to know thanks for the advise magnaflow it is then is there any difference in mufflers or do they only make 1 cat back system .

  19. #19
    Member c5z28's Avatar
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    What do you mean by one catback sytem? They are are all basically the same style except borla and gmmg.
    Borla being it goes straight in on the passenger side and exits the driver side, with the adjustable plate being on the passenger side.
    And gmmg being chambered or almost a straight through design.
    Most other catbacks have one in and 2 out design and will flow pretty close to each other with the exception of flowmaster's 80's series for our car.

    Edit I think I know what you mean now, they only make the one catback kit for our cars, if you want custom then that's a different animal-like my magnaflow duals
    Mark at kyspeed sells the magnaflow kit.

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