14 bolt SF in a '75 C10
Thread Starter
Teching In
Joined: Mar 2016
Posts: 21
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From: Colcord, Ok
14 bolt SF in a '75 C10 I'm starting to collect parts for my '75 C10 street/strip truck build. It's going to be an LQ4-4L80E, but I'm undecided between a 12 bolt or a 14 bolt. Is the extra strength worth the weight?
On The Tree
Joined: May 2014
Posts: 109
Likes: 1
Probably best bet nowadays is a K5 blazer, C10, C15, etc. They used them until the late 80s I believe. Otherwise full size cars from the 60s to early 70s.
I am not overly familiar with 12 bolts, but I know 14 bolts very well and know how much of an anchor in a street car/truck they would be.
I don't think I have seen anybody here run a 14 bolt and there are lots of people here pushing some serious power.
I am not overly familiar with 12 bolts, but I know 14 bolts very well and know how much of an anchor in a street car/truck they would be.
I don't think I have seen anybody here run a 14 bolt and there are lots of people here pushing some serious power.
Thread Starter
Teching In
Joined: Mar 2016
Posts: 21
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From: Colcord, Ok
Well I doubt I would ever be pushing what anyone would call "serious power". Maybe 800hp at the most. I didn't even consider a 10 bolt, as I have had bad luck with them in the past. From what you've described, a 12 bolt should be all I ever need, and should be pretty easy to find.
TECH Regular
Joined: Jun 2013
Posts: 487
Likes: 6
From: Orange, Texas
A 75 C10 should have a 12 bolt rear in it already. Truck 12 bolt and car 12 bolt are a bit different but it's a 12 bolt none the less. The pinion shaft is smaller in diameter is one of the main differences.
If I were going to the trouble of changing the rear end I'd just put a 8.5" 10 bolt out of a later model truck.
If I were going to the trouble of changing the rear end I'd just put a 8.5" 10 bolt out of a later model truck.
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