Gears & Axles Driveshafts | Rearends | Differentials | Gears | 12 Bolt | 9 Inch | Dana

rearend ppl chime in

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Old 11-13-2008, 04:19 AM
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Default rearend ppl chime in

ok i have read the sticky and searched around also and i know how weak the 10 bolt is but my ? is if i keep my 10 bolt and put like a set of (moser, or mark williams) axles,spoolor a good differential like eaton or detroit, will the 10 bolt still be crapy or will doing that make a strong 10 bolt, i know its a small rearend end and 12 bolt is what i will get but if this would keep the 10 bolt alive i would like to keep it... thanks

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Old 11-13-2008, 11:21 AM
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anyone?
Old 11-13-2008, 11:27 AM
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How much $$$ would that cost to "beef" up the 10-bolt? Personally, I wouldn't put any $$$ into the stock 10-bolt. Put that money towards a 12-bolt or 9" rear-end.
Old 11-13-2008, 01:04 PM
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Bob @ EPP could get you a nice 9" for close to what you would sink into your 10 bolt. (Standard 9 not the M9) give him a call.
Old 11-13-2008, 01:31 PM
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Originally Posted by SS1875
Bob @ EPP could get you a nice 9" for close to what you would sink into your 10 bolt. (Standard 9 not the M9) give him a call.
Thanks Darren! Give us a call at 260 244-4808. Thanks. Bob
Old 11-13-2008, 02:08 PM
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so 1,000 for the 9" with axles, then still gotta get a center section which will be around 1200 then still gotta do the brakes on top of that!! a damn rearend is going to cost as much as i got in the bottom end of my sbc.
Old 11-13-2008, 02:17 PM
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Not cheap. You can find a 12-bolt for close to $2,000, maybe even a used 9" for that price...
Old 11-13-2008, 02:19 PM
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im going full biult 8.8,
Old 11-13-2008, 02:22 PM
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Originally Posted by 06black6spd
im going full biult 8.8,
were you finding that at?
Old 11-13-2008, 06:04 PM
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after replacing 3 ring and pinions and 1 diff...I finnally spent the money on a 9" from Bob@EPP. Now was I trying to make my rear strong...No, I just simply didnt have the money to get the 9", but when I did, I didnt hesitate for one second. So here is the best advice...If you have to rely on the car, treat it like a baby, if its a toy..have fun and break it, let it sit and fix it later. Some people have luck with their 10bolt, but the majority of us dont! So dont listen to people saying it will hold, because it could break with stock power..or hold with 600hp, kinda weird huh?
Old 11-13-2008, 06:27 PM
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you cant make chicken soup out of chicken ****! Ditch the 10 bolt and get the 9" if you can afford it. It'll actually be your best investment!
Old 11-14-2008, 05:34 AM
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Originally Posted by SuperSlow02
after replacing 3 ring and pinions and 1 diff...I finnally spent the money on a 9" from Bob@EPP. Now was I trying to make my rear strong...No, I just simply didnt have the money to get the 9", but when I did, I didnt hesitate for one second. So here is the best advice...If you have to rely on the car, treat it like a baby, if its a toy..have fun and break it, let it sit and fix it later. Some people have luck with their 10bolt, but the majority of us dont! So dont listen to people saying it will hold, because it could break with stock power..or hold with 600hp, kinda weird huh?
lol i am actually having 600hp when i put my motor&powerglide in it
Old 11-14-2008, 05:54 AM
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Originally Posted by SuperSlow02
after replacing 3 ring and pinions and 1 diff...I finnally spent the money on a 9" from Bob@EPP. Now was I trying to make my rear strong...No, I just simply didnt have the money to get the 9", but when I did, I didnt hesitate for one second. So here is the best advice...If you have to rely on the car, treat it like a baby, if its a toy..have fun and break it, let it sit and fix it later. Some people have luck with their 10bolt, but the majority of us dont! So dont listen to people saying it will hold, because it could break with stock power..or hold with 600hp, kinda weird huh?
Thanks, I appreciate it! Bob
Old 11-14-2008, 07:20 AM
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The most I would put into a 10 bolt is a dif cover, changing gears to 3.73 or 4.10 just makes them weaker...
Old 11-26-2008, 09:31 PM
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A 8.5 inch 10 bolt has about an 1/8 difference in the ring gear then a 12 bolt, and both if properly built can easily hold about 600hp with slicks.

I believe 4th gen F-bodys have the 8.2 inch 10 bolt which can get close to 500hp. So I would skip this one.

8.5 inch 10 bolts are very very common from 70's trucks and most cars.

9 inchs very very good and they work better with gears higher then 4.56

Dana or S-60 the biggest of all the gears, and in stock for by far the strongest. I ran a 1973 dana in my F-250 with about 650 horse on the bottle, and I only changed the fluid. Plus it was my tow vehicle for a couple of years so it got abused both ways.
Old 12-06-2008, 02:33 PM
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If your not planning on sticky tire or big hp. YOu can try building up your 10bolt I have done a couple for under 500 each and I am planning another one fully loaded with aftermarket gear, diff, and axles for under $800 soon, but Im only running 350rwhp




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