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Thread: Gear question

  1. #1
    Rice Killa JwMonE99's Avatar
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    Gear question

    I while back I was looking at a camaro LT1 M6 pretty built and it had 3.73 gears. I know it is the reccommended gears for autos. I am just curious is there any kind of advantage of having 3.73 over 4.10 gears on a M6 and vis versa? Is there less of a chance for the rear end to snap with the 3.73?

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    Senior Member ss~zoso~ss's Avatar
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    SS: NBM, tan top
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    i'm also interested to know about this

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    2 SS's are better than 1 Jays00ss's Avatar
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    IMO 3.73's is a waste of money with a 6 speed. There might be a 150-200 rpm difference between 3.73 and 4.10's, I went with 4,30's on my new 9"
    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

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    Quote Originally Posted by Jays00ss View Post
    IMO 3.73's is a waste of money with a 6 speed. There might be a 150-200 rpm difference between 3.73 and 4.10's, I went with 4,30's on my new 9"
    I agree complete waste of $$$ to put 3.73s in an M6. Our 10 bolts are weak period and IMO gear choice doesn't make a difference in how long it will last. It's how much power you are putting down and how you drive it.

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    Rice Killa JwMonE99's Avatar
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    How much HP does it take to break a 10 bolt?

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    Rice Killa JwMonE99's Avatar
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    Let says for a car that is a DD and races here and there

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    2 SS's are better than 1 Jays00ss's Avatar
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    I've seen stock cars with m-6 grenade their rear, not a matter of IF its a matter of WHEN. You want to play? your going to have to pay.

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    Rice Killa JwMonE99's Avatar
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    Yea but 2 grand...

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    2 SS's are better than 1 Jays00ss's Avatar
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    Quote Originally Posted by JwMonE99 View Post
    Yea but 2 grand...
    Like I said you have 2 pay to play. The 10 bolt is a pyle of crap. Drive your camaro like your grandma, don't take it to the track, don't do burnouts, Don't do light to light races, Yes your 10 bolt will last for a while. Go to the track, dump your clutch a few times, Yes it might last a little while but you better know a friend with a truck and trailer. It will eventually let you down. These cars where not built to go to the track. Modifcations to the drivetrain are badly needed to take any kind of abuse at all.

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    Is there any cheaper way to make it stronger?

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    Not really. People waste a lot of $$ trying to "build" their 10 bolts. You're way better off just getting a 9" to begin with.

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    Has it ever been comfirmed to use an 8.8 from a mustang or ranger or something?

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    Member Mr. Hyde's Avatar
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    I'm putting down 470+ at the crank, and know that all it takes is one hard launch to break the stock rear end. I "girdled" mine as a temp. band-aid until I save up the 2 grand. I'm going to go with a Moser 12 bolt. Gonna have 4:11's in there too! Lookin' forward to it, and in the mean time, I have all this power, and I have not launched it hard even ONE time for the very reason JAYS00SS was talking about. It's Russian roulette.

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    Quote Originally Posted by JwMonE99 View Post
    Is there any cheaper way to make it stronger?
    Not really it's a waste of money to try. Just save for a 9, 12 bolt or S60. You don't want to go 8.8 either not as strong as the others and there is fab work involved. Best bet is to not launch your car hard, don't bolt up slicks and save $$$ for a new rear end.

    I have a rebuilt 10 bolt with 410s. I drive it pretty hard but never launch over 2500 and I have yet to put DRs on. I'm sure with a few more bolt ons and some track passes it will go. Hopefully I can get a 9in before that happens.

    Like everyone is saying it's not a matter of will it break but when.

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    Senior Member splitfinger09's Avatar
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    http://www.exoticperformanceplus.com...html?item=1116

    So whats the deal with this rear? Its only a thousand bucks. How hard would it be to get the other parts needed? Thanks

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    Quote Originally Posted by splitfinger09 View Post
    http://www.exoticperformanceplus.com...html?item=1116

    So whats the deal with this rear? Its only a thousand bucks. How hard would it be to get the other parts needed? Thanks
    It has no center section that's why it's only 1k. The center section will run you another 1k. There really is no way around spending 2-2.5k on a rear end for our cars unless you go used.

  17. #17
    Rice Killa JwMonE99's Avatar
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    Well hell where do we get used ones from?

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    Quote Originally Posted by 01LSS6Camaro View Post
    I'm putting down 470+ at the crank, and know that all it takes is one hard launch to break the stock rear end. I "girdled" mine as a temp. band-aid until I save up the 2 grand. I'm going to go with a Moser 12 bolt. Gonna have 4:11's in there too! Lookin' forward to it, and in the mean time, I have all this power, and I have not launched it hard even ONE time for the very reason JAYS00SS was talking about. It's Russian roulette.
    470+ to the crank huh, I dont think I am going to get that much HP for a while, so how well is the 10 bolt doing? Are you doing any kind of racing?

  19. #19
    Member Mr. Hyde's Avatar
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    I started with 405HP cuz it's a Z06 LS6 crate engine, and I have the usual mods...cam, LT headers, CAI, full length LM system, full on tune, bla bla bla...so 470+ isn't really that much, but it drained the ol savings account to do it all at once! So, at this time I only have about 1700 miles on her, I've really only just got past the broken in stage. I've put my foot in her a few times , but always from a roll. I've beat a couple of unsuspecting Z06's, not to mention a few Mustangs, and more than my share of bowls of rice!
    But the Vette's were from a roll [one was on the freeway] and the others were from stops. I just have not launched her HARD. The girdle has appeared to help because it's still in one piece. But I'm running street tires (285's) on stock rims. I know that she'll break into the low 12's if not high 11's with the 12 bolt and 4:11's. But for right now, I simply do NOT trust that wimpy rear end!

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    Rice Killa JwMonE99's Avatar
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    So is it safter to race from a roll?
    and from a dig we shouldnt launch from anything more then 2500 RPM right?

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