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#1 |
Registered User
![]() Join Date: Apr 2016
Location: Groves TX
Posts: 15
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Rear End for 72 Coil Spring
New here and I must say it's a great forum. I picked up a 72 SWB back in May out of Arizona. Beautiful will built frame off 3 yes ago, 5.3 Vortec / 4L60E swap but they put a 99 Z28 rear end in it. I'm looking to either beef up the 5.3 or maybe an LS3. That little 7.5 differential won't handle much, not planning on racing it but do like a few burn outs. The current differential is 62" axle flange to axle flange. I want to minimize my work and keep same rims. I keep finding mixed info on what year models have that rear end deminsion or at least within an inch with disc brakes. Any help would be appreciated.
George Last edited by GBJ; 10-06-2016 at 03:22 PM. Reason: wording |
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#2 |
Registered User
Join Date: Sep 2016
Location: Vancouver BC
Posts: 784
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Re: Rear End for 72 Coil Spring
Beautiful truck, so clean, and yet nicely re-done. Welcome to the forum, and sorry that I'm not able to answer your question.
__________________
Rick -69 GMC 910 Long Box, 350 -98 Chev Silverado 1500, 350 Vortec 4L60e -08 Mustang GT Convertible |
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#3 |
Registered User
Join Date: Feb 2016
Location: Westchester, NY
Posts: 602
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Re: Rear End for 72 Coil Spring
Yes welcome. I'm no help with dims either but you are right - that 7.5 should probably go BUT, there are a lot of guys running hi powered 4th gen F-bodys who still have the stock rear. You have two things going for you - you're automatic and your never going to get a ton of traction with low-pro street tires. That rear could live a long and happy life.
__________________
1968 C-10 Suburban - Original 396/TH400 2002 Transam WS6 - M6 - Black/Black - Evil Garage Queen 2000 Silverado - DD - Small lift+Body lift+35" Duratracs+4.88's + Eaton TruTrac - Monster Truck 2010 Cadillac CTS Wagon Sport - Wife's DD and the only classy car we have. |
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#4 |
Registered User
Join Date: Jul 2012
Location: Central IL
Posts: 63
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Re: Rear End for 72 Coil Spring
Welcome, and I agree, very nice truck!!
So if it has a '99 Camaro rear end, does it have the 5x4.75" bolt pattern, and that pattern is what you want to keep? |
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#5 |
Registered User
![]() Join Date: Apr 2016
Location: Groves TX
Posts: 15
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Re: Rear End for 72 Coil Spring
Thanks for the complements I got real lucky on finding this one. Yes I plan on keeping the 4 3/4" pattern. The Coy rims and Nitto tires only had 1000 miles on them and they ain't cheap. I had a friend back in the day run one of those rear ends into the ground with decent hook up. I'm going to stay with it for now but want to get something built in case it let's go. My race day's are long over just want a little thump and sling some rubber every now and then.
Thanks again and hope anyone on the east coast is safe, I live on the TX / LA border on the coast and deal with hurricanes more than I want. Everyone have a good weekend. |
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