12-19-2012, 09:50 PM | #1 |
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What rear end?
Can anyone tell me what rear end is in this truck from the SPID?
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12-19-2012, 09:52 PM | #2 |
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Re: What rear end?
I may be wrong but to my knowledge no
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12-20-2012, 12:21 AM | #3 | ||
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Re: What rear end?
I'm gonna take a swing and say a 12 bolt...
***Unless it's a 3/4 ton... and it might be an Eaton or a Dana*** Gary
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12-20-2012, 12:24 AM | #4 |
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Re: What rear end?
It's a half ton, and I believe the standard rear end was probably a 3 .73 12 bolt.
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12-20-2012, 12:58 AM | #5 |
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Re: What rear end?
Unless it shows something specific on the spid, i'm pretty sure big blocks with automatics came with a 3:08 Ratio.
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12-20-2012, 01:00 AM | #6 |
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Re: What rear end?
Will it be an open or limited slip in a BB truck?
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12-20-2012, 01:08 AM | #7 | ||
"I ain't nobody, dork."
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Re: What rear end?
Could be either.
Gary
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'cuz chicks dig scars... My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread. The Rebuild of Creeping Death after the wreck Quote:
Quote:
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12-20-2012, 01:22 AM | #8 |
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Re: What rear end?
I am 99% sure if the truck came with Limited-Slip Positraction it was an option so it'd be on the spid. Are you sure the original rearvend is in your truck?
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12-20-2012, 01:41 AM | #9 |
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Re: What rear end?
I'm fairly confident it is the original rear end. I'm considering buying it for parts and to part out. Unfortunately the motor was swapped 20+ years ago. I may go see the truck this weekend.
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12-20-2012, 04:23 AM | #10 |
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Re: What rear end?
Chevy 3500lb axle (AKA 12 bolt). 3.07 gears with no listed option except open or posi..
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12-20-2012, 11:00 AM | #11 |
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Re: What rear end?
It appears that it is an open 3.07.Thanks for the info.
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12-20-2012, 11:30 AM | #12 |
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Re: What rear end?
The SPID on my truck (350/350) doesn't list any particulars about the rear end.
So, from what you guys are saying, it is safe to assume it uses standard eqipment (3.07). However, there is no way the rear end has 3.07 in it. It is wound like a top at 60MPH. It is nearly unbearable. I don't have a tach, but I'd estimate 3500 RPM @ 60 MPH. Any ideas? At what RPM should 3.07 be @ 60 MPH? I might as well just yank the cover and look in the case. It has started dropping oil anyway. |
12-20-2012, 12:22 PM | #13 | |
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Re: What rear end?
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12-20-2012, 02:01 PM | #14 |
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Re: What rear end?
Thanks for the input! I am really starting to think that may be a real possibility. I know my grandfather wouldn't have done that when he owned it. But, seeing as my great uncle, the original owner, added saddle tanks and a trans cooler, so he could pull his horse trailers on his ranch, it really make sense. I'll have to grill my grandfather to see what he knows. I really presumed everything was factory (virtually everything else is), because of their traditional "if it aint broke, don't fix it" mentality.
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12-20-2012, 02:10 PM | #15 | |
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Re: What rear end?
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