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06-06-2012, 08:40 PM | #1 |
Registered User
Join Date: Mar 2012
Location: downunder
Posts: 76
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Diff/backspace confusion
Guys , i have a 70 coil rear stepside truck..I am replacing the diff with a local GM Holden (australian) 10 bolt unit as you just cant source US stuff here easily. The New diff measures 61.5 inches drum to drum and the rims i ordered before the old diff let go are 15 x10 with 5.5 backspace.. My question is will these rims still fit with this replacement diff?
I think the original 70 model width is 62.25'' thanx , Gav Downunder |
06-07-2012, 12:34 AM | #2 |
Registered User
Join Date: Jan 2006
Location: Cherry Valley,Ca
Posts: 468
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Re: Diff/backspace confusion
I have that backspace on my 67(original narrow rear end) and it fits pretty good, 5.25 bs would have fit a bit better but thats with 20x10s and 295/35-20s tucked up inside the wheel well.
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