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#1 |
huh?
![]() Join Date: May 2000
Location: Washington, Illinois
Posts: 5,692
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Quick rearend question
Howdy,
I've got a ring and pinion out of a 76? GMC Sierra Grande. It's either a 2.76 or a 2.67. I'm almost positive it's a 2.76...does that sound right? Thanks for anything.
__________________
Someday when I'm lonely, Wishing you weren't so far away, Then I will remember Things we said today. RIP El Jay |
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#2 |
5 day ban, learn to behave.
Join Date: Nov 2002
Location: san diego, ca
Posts: 684
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no that doesnt sound right.. divide the teeth on the big gear by the number of teeth on the little gear...
I dont think any trucks in that era came with 2.73 but that would be the closest to what you said.. The number of teeth should also be stamped on the side of the ring gear (the big one) like "41 10" which would be 4.10:1 let me know what it ends up being.. mike |
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#3 |
huh?
![]() Join Date: May 2000
Location: Washington, Illinois
Posts: 5,692
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I'll go look now, it's right outside...thanks Mike.
__________________
Someday when I'm lonely, Wishing you weren't so far away, Then I will remember Things we said today. RIP El Jay |
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#4 |
Account Suspended
Join Date: Aug 2003
Location: IL
Posts: 60
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2.76 is 12 bolt
2.73 is 10 bolt 2.76 is correct same with 3.40 and 3.42 3.42 is 10 bolt and 3.40 was 12bolt notmany ppl know rear axles apparently ? |
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#5 | |
Registered User
Join Date: Jul 2001
Location: Laughlin, Nv. USA
Posts: 700
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Quote:
>gmtrucksaddict That's interesting info where is the source so I can look that up ? I am a info junkie I guess you might say ![]() |
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#6 |
Account Suspended
Join Date: Aug 2003
Location: IL
Posts: 60
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you learn this infowhen you take so many trucks and axles apart
2.76 is 12 bolt truck ratio, 2.73 is in the 10bolts 8.5" |
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