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04-27-2020, 02:05 PM | #11 |
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Re: stock class rear axle?
9 inch only on COPO -Cobra Jet and Drag pac is the way I understand it--I think NHRA had a post on what vehicles can use a 9 inch-FED 387
Last edited by FED 387; 04-27-2020 at 02:07 PM. Reason: add info |
04-27-2020, 02:29 PM | #12 |
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Re: stock class rear axle?
modern parts in 12 bolt will be great in there....
pro gear absolutely a must with ANY stick even a W car..... and correctly setup if it isn't you won't get a season out of it... Randall was going through a set of gears a season on his truck... I set them up and he has 6 years on them now... knock on wood…. I have never hurt a gear or anything in my K/S car... gear has at least 300 runs.... spool, steel caps, 35 spline axle, chrome moly tubes,5/8 wheel studs all Mark Williams parts, I installed the tubes and caps and built the rest... |
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04-27-2020, 09:30 PM | #13 |
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Re: stock class rear axle?
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04-28-2020, 01:32 PM | #14 |
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Re: stock class rear axle?
Saw a 69 Camaro Stocker a few years ago with a 57-64 Pontiac r end in it at a Div. 3 Points race after any GM rearends were oked. They must have changed the ruling. Ford rearends are ok in certain years though????
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04-28-2020, 07:26 PM | #16 |
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Re: stock class rear axle?
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04-28-2020, 08:06 PM | #17 |
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Re: stock class rear axle?
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04-28-2020, 09:37 PM | #18 | |
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Re: stock class rear axle?
Quote:
The Pontiac/ Olds setup was common in the M/P and Gas classes. If the rulebook still says "of the same manufacturer" , NHRA always took that to mean Chevy, one , Pontiac ,two , and different. Now, if it says something about "corporate" , then you boys may have an argument. But then again, it seems they have already spoken on this, many years ago.
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04-29-2020, 06:30 AM | #19 |
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Re: stock class rear axle?
Email from Tech Director 1/29/2020:
You are not allowed to use any rear end housing under your car other than a Chevrolet housing. It can be a 10 bolt, 12 bolt etc., but must be a Chevy housing. |
04-29-2020, 10:12 AM | #20 |
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Re: stock class rear axle?
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