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-   -   12 Bolt vs 10 Bolt Rear (https://classracer.com/classforum/showthread.php?t=69632)

MR DERBY CITY 04-22-2018 12:16 PM
Re: 12 Bolt vs 10 Bolt Rear
 
Quote:
Originally Posted by james schaechter (Post 561349)
With the money you save from staying with the 10 bolt you can probably afford a golf cart and a tow strap. Eventually, you will need it.
James, not sure We can reason with Dan....Evidently he doesn’t understand the concept of buying the STRONGEST parts first......cause you will buy them sooner or later....

Ed Wright 04-22-2018 01:58 PM
Re: 12 Bolt vs 10 Bolt Rear
 
Quote:
Originally Posted by james schaechter (Post 561349)
With the money you save from staying with the 10 bolt you can probably afford a golf cart and a tow strap. Eventually, you will need it.
Nailed it!!

bigsixman 04-22-2018 06:33 PM
Re: 12 Bolt vs 10 Bolt Rear
 
My Father's advice to me was always "buy your last one first."

stock4174 04-22-2018 07:02 PM
Re: 12 Bolt vs 10 Bolt Rear
 
Quote:
Originally Posted by james schaechter (Post 561349)
With the money you save from staying with the 10 bolt you can probably afford a golf cart and a tow strap. Eventually, you will need it.
Remember Mr. Fahey drives his race car to the track so when the 10 bolt blows up on the starting line he can just call Triple AAA to tow him home. 🤑

j gardiner 04-22-2018 07:19 PM
Re: 12 Bolt vs 10 Bolt Rear
 
There is nothing wrong with your 8.5, don't let those guys tell you wrong. They are every bit as strong as a 12 bolt. I have had mine in my stocker running low 1.40s 60 foots for 20 years and about 2500 runs and I have had to replace the ring and pinion 3 times so that is about 750 runs. Put a spool and axles in it and you will be good to go.

MR DERBY CITY 04-22-2018 07:29 PM
Re: 12 Bolt vs 10 Bolt Rear
 
Quote:
Originally Posted by j gardiner (Post 561392)
There is nothing wrong with your 8.5, don't let those guys tell you wrong. They are every bit as strong as a 12 bolt. I have had mine in my stocker running low 1.40s 60 foots for 20 years and about 2500 runs and I have had to replace the ring and pinion 3 times so that is about 750 runs. Put a spool and axles in it and you will be good to go.
Very valid points, but how much does your stocker weigh, and is it EFI ?

j gardiner 04-22-2018 08:15 PM
Re: 12 Bolt vs 10 Bolt Rear
 
My car weighs 3350 lbs and it has a carb.

Chipper Chapman 04-22-2018 08:31 PM
Re: 12 Bolt vs 10 Bolt Rear
 
The statement made that the pinions are different is right, I stand corrected. The pinion shaft and bearings are actually larger in the 8.5 than the 12 bolt. Maybe gm new what they were doing when they replaced the 12 bolt with the 8.5 and placed it under millions of cars and trucks lol. Once you put spool and axles in it, they won’t know they’re not in a 12 bolt housing. Run it!

Dan Fahey 04-22-2018 08:42 PM
Re: 12 Bolt vs 10 Bolt Rear
 
Quote:
Originally Posted by Chipper Chapman (Post 561405)
The statement made that the pinions are different is right, I stand corrected. The pinion shaft and bearings are actually larger in the 8.5 than the 12 bolt. Maybe gm new what they were doing when they replaced the 12 bolt with the 8.5 and placed it under millions of cars and trucks lol. Once you put spool and axles in it, they won’t know they’re not in a 12 bolt housing. Run it!
We haven’t seen them break often!
Bet they have less drag than a 12 bolt and they are on every GM truck too.

As for AAA...signing up with them has helped a lot.
Used them a few times.
Had to have the Wagon towed home but not the race car.
Mid 2016 have been towing.

Dan Fahey 04-22-2018 08:48 PM
Re: 12 Bolt vs 10 Bolt Rear
 
Quote:
Originally Posted by Mark Yacavone (Post 561357)
Shhhh..Don't tell Dan. He's spent too much time on the SS forum, and not under those cars.
Whatever you do , don't tell him the early Chevelles did not have the same suspension. Although it looks similar, it is not a metric configuration.
Also , I have never seen a bolt in 12 bolt for those cars. Maybe those SS guys can help him. Apparently we are not qualified here.
You are right again....bluster blossom...
I am not under my car often...and that is a good thing!
and It helps to have a Forum to share experiences!

Mark you car is so slow.
It’s shadow waits for you at the end of the strip !

Dan


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