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#1
06-15-2007, 11:46 AM
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64-70 Rear ends
Has anyone found an option for a full size rear end with 8 lugs? I've been searching for a 3:23 or 3:42 with Safe T track for a year now with no luck or the price so rediculous I can't buy simply on principle.
I looked at Currie's web site and they sell a GM 12 bolt that looks like it might fit, anyone try something like this? CMill |
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#2
06-15-2007, 12:00 PM
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I'm sorta confused
hey CMill421, what year and model Pontiac are you working on?
Depending on your answer, there are viable options. I believe that the 12-bolt you found will not work in the big-Pontiac rearend... as for the high prices, if the ante is too high, you may be forced to live with a one-legger with highway gears or get into an A-body. ...The 'big' cars are nicknamed "DarkSiders" for a reason!!!
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RediRad circuit designs, branding and intellectual property are for sale. Serious inquiries only. |
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#3
06-15-2007, 12:38 PM
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EA,
It's a 66 2+2, I found out recently the 3:23 is a 2:73, not sure how it got on there??? No way on an A body! CMill |
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#4
06-15-2007, 12:55 PM
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"No way on an A body!"
that's a GREAT answer, CMill!!! the rearend design changed after '64, and I believe '65 - '70 B-Pontiac rears and parts are interchangeable. So, ya just gotta comb bone yards in your area for '65 - '70 Cat, Bonn, Executive, etc., rearends... you'd be surprised how cheaply the later ones can be had and how many were Saf-T-Trac (aka "Posi"). If you haven't yet, I would suggest that you drop a thread in the Big Parts Wanted for a used gearset. Also, call Richmond gear - they MAY be able to hep.
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RediRad circuit designs, branding and intellectual property are for sale. Serious inquiries only. |
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#5
06-15-2007, 01:50 PM
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Take a look under Big Pontiac Parts For Sale on this forum. Fat Cat has some rear end stuff up for sale.
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65 Catalina sedan. Allen Thomas Performance 495. KRE Heads at 310cfm ported by SD Performance, ProSystems Dominator carb on ported Victor intake, P-Dude custom grind hydraulic roller, MSD ignition, 3.50 Moser/Ford rear. F-Glass front bumper by son Rob, rear by the old man and joint effort for trunk lid. 3950# w/driver. Best of 9.5761/139 on 175 shot, 6.01 /114 in 1/8. |
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#6
06-16-2007, 03:19 AM
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CMill421 - you mention 8-lugs with the rearend. Just want to make sure that you know that all rears are the same and the 8 lug drums just bolt up to the axle using the stock 5 lug nuts. Pattern for all big Pontiacs is 5 on 5. Anything lower than 3.08's don't seem to come up too often regardless of price. You might have to settle for the 3.08 or even a 2.96 posi. You can swap out the complete rear to a big car 12 bolt, but you will need to relocate every bracket and use a conversion universal joint. By the time you paid for the new rear and all the labor and materials, I would bet the price of the Pontiac posi will seem more reasonable. The clutches and plates are the same in the Pontiac and 12 bolt, but the Pontiac is a little more beefy in all other details. I'd just keep looking at all sources for the Pontiac posi and gears.
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Mick Batson 1967 original owner Tyro Blue/black top 4-speed HO GTO with all the original parts stored safely away -- 1965 Catalina Safari Wagon. |
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#7
06-18-2007, 11:40 AM
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Thanks for the info guys, it looks like I'll need to start combing the bone yards and hope for a find!
CMill |
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#8
06-19-2007, 06:10 AM
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Heck, I just bagged a Catalina 3.23 posi off ebay for $350, only one other guy bid. They are out there I guess.
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#9
06-19-2007, 12:45 PM
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Quote:
 
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BIG DADDY P 66 CATALINA COUPE GO BIG OR GO HOME!!! 
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#10
06-19-2007, 12:47 PM
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Oh yeah,
Also look for anything that had a manual trans... Thats where you'll find the taller ratios...
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BIG DADDY P 66 CATALINA COUPE GO BIG OR GO HOME!!!
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#11
06-19-2007, 01:31 PM
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3:23 Posi for $350, you're lucky I didn't see it, I would have gone up to a grand for it in meduim condition! I check Ebay weekly I can't believe I missed it!!
CMill |
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#12
06-19-2007, 07:17 PM
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I figured nobody saw it, or were scared off by "local pickup only". I emailed the guy and he said he would be happy to remove the gears and ship them. Just gotta ask. I just got off the phone with the guy and they go in the mail/UPS tomorrow.
I'll be going from a 2:56 peg leg to a 3:23 posi. That'll help the 455 dig in. 
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#13
06-19-2007, 09:25 PM
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Quote:
Yeah, I asked him the same thing... Good luck and enjoy!!!!
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BIG DADDY P 66 CATALINA COUPE GO BIG OR GO HOME!!!
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