1976 chevy C10 where to buy a rearend or what kind? - Hot Rod Forum : Hotrodders Bulletin Board
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Old 09-25-2008, 09:14 PM
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1976 chevy C10 where to buy a rearend or what kind?

I am rebuilding a 76 chevy pk c10 i want to put like a 12 bolt posi trac unit in it with 4.10 gears. I am putting a 388 stroker in the truck that will be putting out 500hp and nearly 520 ftlbs of tq. i dont know where to buy a rearend i would like to get a rebuilt one to save on money but i know that might not be possible. what would be best?

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Old 09-25-2008, 11:04 PM
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If you go to the Knowledge Base and type in truck 12 bolt as a search, you can get alot of info and possible leads from there. -Jim

Last edited by j.d.brown.042964; 09-25-2008 at 11:05 PM. Reason: added a space.
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Old 09-26-2008, 04:13 AM
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If you are running that much H.P i would use a ford 9in and have redrilled to a chevy bolt pattern
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Old 09-26-2008, 05:41 AM
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The Chevy truck 14 bolt FF with 4.10 ratio was a very common rearend on 73-87 C20 and K20 trucks. There are hundreds of them in the junkyard, and the rear disc brake conversion is available from several sources (stock drums are huge and very heavy). If you buy the driveshaft at the same time, it should just bolt directly in to your truck.

The big disadvantage of the 14 bolt FF is that it uses 8 bolt wheels, so it won't match your front end. Also, the limited slip in this axle is a GM/Eaton GovLoc, which is probably not the best choice for your application. It can be replaced with a new Eaton Positraction unit, but the prices are steep. The big advantage is that since its a full floating axle, if your new engine does happen to break an axle (not very likely with this unit), your wheels will stay on the truck.

Bruce
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Old 09-26-2008, 10:54 AM
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Quote:
Originally Posted by Cbratcher16
I am rebuilding a 76 chevy pk c10 i want to put like a 12 bolt posi trac unit in it with 4.10 gears. I am putting a 388 stroker in the truck that will be putting out 500hp and nearly 520 ftlbs of tq. i dont know where to buy a rearend i would like to get a rebuilt one to save on money but i know that might not be possible. what would be best?
You can usually rebuild yours for a little less than just buying one already done,or at least you will know you have all new parts and not someone else's mess.You can always buy all the parts and take the diff to a shop and have them set it up, if your not comfortable doing it. all new, you should be able to get it all done for 950 parts and labor.

Posi part # 19556-1,"assuming you have a 12 bolt", shop around and see what you can get one for.
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Old 09-26-2008, 01:57 PM
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google DANA 60
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Old 09-26-2008, 03:34 PM
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Originally Posted by OHD
google DANA 60
Now there is a dodge guy for ya!
Actually, there was a dana 60 used in the early chevy 3/4 ton truck, it has ford 9" style axle brg's,and housing end's. I believe it was a coil spring truck, so a little more brackets to cut off,But I think the width is correct.Might be a pretty good choice if he can find one.
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Old 09-26-2008, 03:47 PM
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Correction! it was used in the 69 to 72 1/2 ton.
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Old 09-26-2008, 04:24 PM
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Some Mid 70's Chevys had the Dana 60 also. I looked at a Big 10 model pickup, Long bed had 454, 400trans, & Dana 60. Think it was a 74 or 75, been so long ago I can't remember. It was a leaf spring suspension tho'.
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Old 09-27-2008, 09:15 PM
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you could do this for about 2400 for a 14 bolt the 9" ford is cheeper and the DANA 60 is prob. your best option tons of aftermarket support for them!
http://www.drivetrain.com/4x4.html
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Old 10-07-2008, 01:45 AM
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gonna cost you lotsa bucks unless you can find an original dana 60rear that is 5 or 6 lug and not a common 8 lug full floater like they were in the 72 and older trucks


these were pow-r-lok unit rear

very good units these olkd dana 60s had in them in the gm trucks

some were coil rear and most were leaf rear

the 6 lug ones were semi float like the 10and 12 bolt 1/2 ton axles and were found in some of the big block engine optioned trucks

396 and 402


all the 8 lug ones were full float and lots heavier and were commmonly taller ratio 4.10 and less



i have owned a few dana 60 72 older trucks over the years


the last one was a powerlok 4.10 ratio and leaf rear

the semi float ones tended to be coil rear(1/2 ton big block)


no factory big blocks in the trucks until 1968

do google searching

contact wes on 67-72chevytrucks.com

search search search online

a dana 60 or a 9" from an old ford truck will be the good strong and cheap route

ikf you have an old arc welder laying around then youll be good to go

if you find a dana 60 from a 63-72 chevy leaf rear pickup that is not 4x4 then the spring perches will bolt same to your later leafs if you use the 72 older hardware though

same leaf springs

56" length almost always

full floaters can be converted to semi float but you need donor parts regardless, from a semi floater

so.,..


you need to already have planned what you want exactly

can you weld or will you weld ?

how much skill/experience do you have to do any of this ?

how much knowledge of what rear were used in what years makes model and what posi or locking diff units were used and availablein each year and model of axle fora given vehicle year make and model ?

these old dana 60s had really super nice locking diffs in them

i mean DAMN nice

strong

reliable

real

not gov lok grenade lok trash in the later 70s years and 80s and 90s

Last edited by fast68; 10-07-2008 at 01:52 AM.
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