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What you guys reccomend for my TA?

This is a discussion on What you guys reccomend for my TA? within the Manual Transmission forums, part of the Drivetrain category; 00 M6 TA What gears do you recommend and what will my top speed be with them I like being ...

  1. #1
    Member Fade2Black's Avatar
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    What you guys reccomend for my TA?

    00 M6 TA
    What gears do you recommend and what will my top speed be with them
    I like being able to do 155 when i hit the Eway

  2. #2
    Senior Member MadSeason's Avatar
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    2.56 gears will run you almost 200 top speed, 2.73 about 180 top speed. I hope your suspension and breaks are built up before you attempt it. Good tires are a must also

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    Member Fade2Black's Avatar
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    I'm not worried about getting a higher top speed i thought different gears ment higher RPM, quicker acceleration, killin them off the line and lower top speed?
    I wouldnt mind a higher top speed though but would 2.56 slow me down?
    Whats the difference between 2.56 - 4.10 and whatever gears you can buy in between?

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    Import Killer SLP00blueSS's Avatar
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    I have put a set of 4.10 in my M6 SS and it took about 15 mph off my top end but out of the hole it's like someone kicked you right in the @$$. ilost about 4 Miles Per Gallon in fuel ecpnomy which i still get 25 on the e-way, you deffinetly get to speed alot quicker, i've heard that changing to a 3.73 is almost a waste with a 6 -speed

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    Quote Originally Posted by SLP00blueSS
    I have put a set of 4.10 in my M6 SS and it took about 15 mph off my top end but out of the hole it's like someone kicked you right in the @$$. ilost about 4 Miles Per Gallon in fuel ecpnomy which i still get 25 on the e-way, you deffinetly get to speed alot quicker, i've heard that changing to a 3.73 is almost a waste with a 6 -speed
    I am considering 4.10 for my Y2K SS..........I thought going to 4.10 would move the top end into 6th gear? Top end now in a stock SS is in 5th gear. 6th being to tall to push all the air out of the way.

    So your top end was boiut 160 before??

    ANy body got the POOP and ScOOP..........

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    Token V6 Guy
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    Quote Originally Posted by MadSeason
    2.56 gears will run you almost 200 top speed, 2.73 about 180 top speed. I hope your suspension and breaks are built up before you attempt it. Good tires are a must also
    i dunno where your getting your #'s for but a stock m6 car comes with 3.42 gears where the top speed he'd theoretically be able to hit is ~268mph although thats pretty much impossible due to drag. 2.56 gears would top out at ~358mph at the top of 6th gear. 4.10's would top out at 223mph in 6th gear. 4.56's would top out at 201 in 6th. Depending on your power level & where you make your power 4.56's or 4.30 gears are very good choices. 4.10's are ok but not optimal in most ls1's

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    Heavy Set Thin Guy t/as&dds's Avatar
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    So has anyone here put a set of 4.30s or 4.56s in their Bird/Camaro? If 4.10s are as good as they say, what would that be like????

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    Quote Originally Posted by foff667
    i dunno where your getting your #'s for but a stock m6 car comes with 3.42 gears where the top speed he'd theoretically be able to hit is ~268mph although thats pretty much impossible due to drag. 2.56 gears would top out at ~358mph at the top of 6th gear. 4.10's would top out at 223mph in 6th gear. 4.56's would top out at 201 in 6th. Depending on your power level & where you make your power 4.56's or 4.30 gears are very good choices. 4.10's are ok but not optimal in most ls1's

    Sounds like you have the calculator at your finger tips.....

    What happens to my top end with 4.10 on a slightly modified SS. I know the top end is about 160 with a stock M6 and it occurs in 5 th gear. Althought I am not sure if that is at redline or not?????6th gear dies early, not enough torque. So if I get 4.10 does that move the top end to 6th ??

    Any way to calculate that??

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    Token V6 Guy
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    yeah f-body.org has a calc on there that i use...but like i said 410 gears would pull to 223@6000 rpms in 6th gear...if your making peak hp at say 5500 like a near stock ls1 then no it wouldnt move it to 6th gear because you'd probably be at 200mph in the meat of your powerband which i dont think a stockish fbody could reach...on a heavily modded one then yes 4.10's might be best for top speed. There are alot of guys with 4.56's but they are generally really into racing...few people do it on stock cars not because it wouldnt work but people with stock ls1's usually arent into racing so most wouldnt even know what a ring or pinion gear is. Personally im going to be throwing in a 9in with 4.30 gears as one of my first mods in my v6 car...yes a bit overkill but i plan on a motor swap in the future with an m6 so in the end it should be a good choice...also the ford gears are uber cheap so if its not what i need I can change them later on the cheap.

  10. #10
    Tech Junkie hammertime's Avatar
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    Quote Originally Posted by foff667
    4.56's would top out at 201 in 6th. Depending on your power level & where you make your power 4.56's or 4.30 gears are very good choices. 4.10's are ok but not optimal in most ls1's
    Keep in mind 200 mph in a car with 4.56 gear will turn the driveshaft almost 12,000 rpm. Not sure what the critical speed is on the driveshaft, but it better have a damn good balance.

    Most top speed guys make their runs in 5th gear with a taller 3 series gear, or in direct drive with 2 something gears to keep driveshaft rpms down.

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    Token V6 Guy
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    that doesnt make sense though...mh would be directly related to driveshaft speed...if your in 5th gear at 3000 rpms & turning 10000 rpms and 180mph or in 6th gear turning 2500 rpms & doing that same 180 wouldnt your driveshaft be spinning at the same rate?

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    Tanx for the info................I am gonna check out that calculator.

    All this talk about top speed is making me want to go for a ride.

    I still love my SS after 5 years.................

    I am planning on going to Beaver Run, Pa next year for a day at the track with my SS. And then to the "top speed" track down south ( Carolinas, I think it is? ) Gotta try both before I get to old...............LOL

    Have fun.................

  13. #13
    navy ss
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    Exclamation 6th top end!!!!

    I read in a mag once that in corvette w/a man 6 it takes at least 500rwhp to pull 6th to 200mph and over come the wind. and at top end like that drive shaft speed and balance is critical. The best way to increase you top end is leave it in 5th , dont go crazy with gear combos! nobody ever once mentioned the right way to do this feat. HEADS,CAM,INTAKE,TUNE, MAKE THE CAR PULL MORE RPMS. 1000 more rpms and an extra 100hp or more is more fun althe way around.plus what fun is top end if it takes you 3 countys to get there?
    at 7000rpm the car should be running 180-185 in 5th!

    ps ihave been 200 in a formula TRUUUUUST ME it aint built for it,the window suck out about 4in and you think the car is coming apart and it will shut down.
    Last edited by navy ss; 12-16-2005 at 08:41 AM.

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