wow my 98 camaro with stock 10bolt how it still works
11-03-2014, 08:04 AM
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wow my 98 camaro with stock 10bolt how it still works ok guy we all know 10 bolts are junk but check this out.
We just put a new turbo precision 76/75 on my car.
My car is a stock ls1 and stock 10 bolt.
Took the car to the track sat and we got it to go 6.60@108 with a 1.59 60 foot in the 1/8. and i have about 50 1.6 60foots on the rear end before this weekend and the car has a 133k on it.
i dont know how its still working lol
We just put a new turbo precision 76/75 on my car.
My car is a stock ls1 and stock 10 bolt.
Took the car to the track sat and we got it to go 6.60@108 with a 1.59 60 foot in the 1/8. and i have about 50 1.6 60foots on the rear end before this weekend and the car has a 133k on it.
i dont know how its still working lol
11-03-2014, 08:19 AM
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Im told you can run 9s if its put together right! I have had to go in my rear 4 times, but its in a 81 2gen TA. Have not had a problem with it after I had a pro build it! Good Luck!! Im determined to make it live!
11-03-2014, 08:22 AM
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mine is untouched ive never had the cover off of it lol
11-03-2014, 11:00 AM
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Auto or stick car?
I know that no matter how well you build it, it still won't be near as durable as any 8.8, 9", 12 bolt, or S60. However, I think the little 7.5s are extremely underrated...
I know that no matter how well you build it, it still won't be near as durable as any 8.8, 9", 12 bolt, or S60. However, I think the little 7.5s are extremely underrated...
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11-03-2014, 11:39 AM
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11-03-2014, 12:05 PM
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In this case, the fact it's still doing fine doesn't surprise me at all.
A bunch of 1.6 60-foots with an auto is usually no problem at all for the 7.5", so long as you don't have wheel hop. There are autos that have done 1.5, 1.4 and maybe some even faster than that without instant death of the 7.5".
M6s are a different story. Most of the bad reputation that the 7.5" has is due to the M6 cars, not the autos.
Having said that, someone above mentioned an '81 Trans Am - I'm not sure if they still had the 8.5" 10-bolt by '81, but if so that rear is much stronger than these newer 7.5" 10-bolts, in fact the 8.5" is only marginally weaker than a 12-bolt.
A bunch of 1.6 60-foots with an auto is usually no problem at all for the 7.5", so long as you don't have wheel hop. There are autos that have done 1.5, 1.4 and maybe some even faster than that without instant death of the 7.5".
M6s are a different story. Most of the bad reputation that the 7.5" has is due to the M6 cars, not the autos.
Having said that, someone above mentioned an '81 Trans Am - I'm not sure if they still had the 8.5" 10-bolt by '81, but if so that rear is much stronger than these newer 7.5" 10-bolts, in fact the 8.5" is only marginally weaker than a 12-bolt.
11-03-2014, 12:09 PM
#11
I have long felt 1.7 second 60's are the ragged edge for M6 cars with a 10-bolt. Maybe because I ran a 1.74 (ish), launched a littler harder on the next pass, and the pinion ate itself. I always take up slack in the drivetrain too.
11-07-2014, 01:15 PM
#17
11-07-2014, 02:42 PM
#18
I had to rebuild my stock rear because of a bad pinion bearing then the diff went bad (spun 1 tire). Then I built and swapped in another 10 bolt and that didnt last long after my car was on the dyno. I bit the bullet and bought an s60 so if I break this rear I'll give up cars lol.
11-08-2014, 10:14 AM
#19
as mentioned there were several different GM 10 bolts so 10 bolt is a fairly generic term , as far as f bodies first gens and early 2nd gens that didn't get the 12 bolt option got an 8.2" that was pretty weak , 73 & up 2nd gens got the 8.5 corporate which is tough as nails same rear used in GN/t type/g body 442 and lots of those guys have indeed been 9's on 8.5 , 3rd & 4th gens got the 7.5" 
stock 3rd gens it made sense to go with the 7.5 it had less parasitic losses and not enough power stock to break them unless you drove like an idiot but a stock m6 ls1 car on slicks can kill one quickly too bad they didn't bring back the 8.5 for the 4th gens...
stock 3rd gens it made sense to go with the 7.5 it had less parasitic losses and not enough power stock to break them unless you drove like an idiot but a stock m6 ls1 car on slicks can kill one quickly too bad they didn't bring back the 8.5 for the 4th gens...
11-10-2014, 07:52 PM
#20
I just got my m6 rebuilt and on the test drive they're hearing noises coming from my rear, found out the posi is toast. I've never ran it hard, never took it to the drags, regular diff oil changes, and it's still toast.
103K miles on it though. I'll have to rebuild it cuz I can't afford an aftermarket 12-bolt.
103K miles on it though. I'll have to rebuild it cuz I can't afford an aftermarket 12-bolt.