Cadillac CTS-V 2004-2007 (Gen I) The Caddy with an Attitude...

Rear diff

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Old Aug 15, 2008 | 01:19 PM
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Default Rear diff

I have a few questions about the rear diff's.

I know that toothpicks are stronger, and i know of the epic failures. My question is, what are the racing v owners doing about it? Are any sponsors (ie moser/strange) making aftermarket, stronger rears? Anyone fabricating anything? Is there a fix to the plague?

I ask because ive always loved CTS-V's but i refuse to buy one because of the rears. Or until someone fixes the problem, because it doesnt seem like GM is going to.

AW
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Old Aug 15, 2008 | 01:24 PM
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it's not as bad as most would have you think, you'll get
out of the rear what u demand of it, with that being said
no1 makes dik for these cars do to the low production numbers...
the want wont over ride the need. you might have 2000 hard core enthusiasts
that want/demand more from the rearends. after doing the math u can see why
it's never gonna happen as far as product development. my .02
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Old Aug 15, 2008 | 01:30 PM
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there is an option that will run ~7k...bulletproof from my understanding. however, that's only worth it to the person that absolutely MUST have a v be the car they race.

for the money, if serious drag racing is your goal...it's best to go a different route.

but as mike said, it really isn't that bad...unless you beat the **** out of your car. i drive hard, but i don't dump the clutch from a dig higher than 2.5k rpms...not even so much as a subtle whine coming from my backside. or maybe the kooks/magnaflow drown it out
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Old Aug 15, 2008 | 05:46 PM
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Yeah I really don't have a problem launching in the V. I don't get crazy and pop out at anything over 2k. You really don't need to, unless you are in a dogfight on the track.
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Old Aug 15, 2008 | 07:38 PM
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I did a fat *** burn out yesterday but no vid cause im a newb. (will get one next monday) w/ 450 to the wheels and no wheel hop what so ever. I dumped it at 4500 and only have the BMR bushing. It has the 06 rear also.
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