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Old 12-11-2011, 07:24 AM   #1
mysteryman
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Default chevy 10 bolt 8.5 rearends

will a truck 8.5 ring gear ,pinion,and carrier fit into a car 8.5 housing.ive been told it should all i would have to change are the peices?that the axle splines slide into???
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Old 12-11-2011, 08:49 AM   #2
squirrel
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Default Re: chevy 10 bolt 8.5 rearends

what year truck? what year car?

I'd go here

http://www.summitracing.com/search/D...T/?Ns=Rank|Asc

and plug in some hypothetical trucks and cars to see what parts fit both of them.
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Old 12-11-2011, 08:54 AM   #3
1971BB427
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Default Re: chevy 10 bolt 8.5 rearends

Pinion diameters may not be the same. You'll have to meaure both to know if the truck is the same 1.62 diameter like the car.
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Old 12-11-2011, 11:28 AM   #4
cooke
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Default Re: chevy 10 bolt 8.5 rearends

Are you going to be using 30 spline axles? I know for sure the ring and pinion gears will interchange. I've used "Suburban" 3.42 and 3.73 gears in a "car" 8.5" rear before. No problems there. All passenger car 8.5's were 28 splines and I'm thinking all 1/2 ton and 1500 series trucks, suburbans, etc. got 30 splined axles.
Can't remember for sure; but I've seen a "limited" slip unit out of a truck before and for some reason it seems like it looked quite abit different than a standard passenger car "limited" slip unit. Is that what you're trying to do?
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Old 12-11-2011, 11:40 AM   #5
squirrel
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Default Re: chevy 10 bolt 8.5 rearends

The trucks often got the "govlock" limited slip, it's rather funky looking.
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Old 12-11-2011, 04:39 PM   #6
cooke
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Default Re: chevy 10 bolt 8.5 rearends

Quote:
Originally Posted by squirrel View Post
The trucks often got the "govlock" limited slip, it's rather funky looking.
Maybe that's what it was. It's been a good while back; but I remember them being different than a normal "P"-Trac.
Hard to beat the old 8.5" 10-bolt. Over the years we've made some serious HP and had them live. Much cheaper and plentiful than their 12-bolt counterparts.
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