#21  
Old 12-19-2019, 05:24 PM
Rocky Rotella's Avatar
Rocky Rotella Rocky Rotella is offline
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Quote:
Originally Posted by John Milner View Post
I own one of the cast iron 904 cased "power brute" Super T-10's. When I got it, I completely went though it. Every gear in it had the dimple on it, which I believe means they are a higher nickel content. Mine has two rings on the input shaft, which was the 2:43 low. It has held up behind an L88 427 Chevy fine.
Great info! And yes, the dimple indicates 9310 alloy.

Do you have any history on it? Is the ID tag still present? And if so, is it marked AS9 or AS10?

  #22  
Old 12-19-2019, 08:22 PM
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John Milner John Milner is online now
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Originally Posted by Rocky Rotella View Post
Great info! And yes, the dimple indicates 9310 alloy.

Do you have any history on it? Is the ID tag still present? And if so, is it marked AS9 or AS10?
Unfortunately I don’t have a whole lot of history of the transmission. I got it in a trade and have owned it maybe 7 or 8 years. I took it all apart and replaced the bearings and synchronizers. The tag for it was gone when I got it. The gears did have dimples on them though. I currently run it in my 57 Chevrolet and it has held up nicely behind the L88 427 in it.
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  #23  
Old 12-20-2019, 10:34 AM
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Formulajones Formulajones is offline
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With 3.36 gears and a 2.20 or 2.43 trans, you won't be setting the world on fire, and most guys here run street tires and spin anyway. If you're not hooking up, you likely won't break anything. So I personally wouldn't worry much about breaking it.

Now if you want to go to the track and start worrying about 60 foot times, it's another story. Spinnin ain't winnin.

If it's just a fun street car, don't worry about it. Do what your budget allows, tire smoke is your friend.

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