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06-16-2021, 03:53 PM | #1 |
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Caprice Rear Axle Swap
I did a search and found nothing. From what I've read, they are about 3" narrower and still have the 5 on 5" bolt pattern. Seems as if a guy was handy with a welder, he could put leaf spring perches and get a narrowed rear end on the cheap. Or if you want a 4 link it's ready to go.
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06-16-2021, 09:43 PM | #2 |
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Re: Caprice Rear Axle Swap
Tell me more.
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06-17-2021, 10:18 AM | #3 |
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Re: Caprice Rear Axle Swap
I'm still a fan of 15" wheels. I have some 10" aluminum slots I think would look good tucked up with an 8" drop, but they are only about 3" backspace. I like the deep dish look, but would need a narrower rear axle.
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06-17-2021, 06:42 PM | #4 |
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Re: Caprice Rear Axle Swap
First thing you need to do is mount the wheels, and get a good total width measurement.
Sounds like your in the ball park of width needed, but a Chevelle rear may be close too. When done you can compare wms differences to see what to do. The 4 link is easy enough to add some metal to the frame to get it to work, and makes bagging the truck easier in 1 swoop. A simple out rigger for the mount, and a support brace would work. For most unless your going to seriously hammer it with big hp on sticky tires. 2x3 1/8th wall would work for the outriggers, and a triangulation with 2x2 1/8th box would be fine. With big hp the out riggers may bend, and force the frame in ways it may not like. I did it for a kid who had a C10 which was only 2.5 maybe 3 inches at the frame. He had the mighty 4.3 Vortec V6. Which he wanted for mpg, and so he couldn't get going to fast to low. Plus it was 250 for the whole van it was in. I don't know why my post is angry? |
06-18-2021, 12:39 AM | #5 |
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Re: Caprice Rear Axle Swap
Reason I specifically looked at Caprice, is the availability.
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06-18-2021, 11:36 AM | #6 |
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Re: Caprice Rear Axle Swap
Are there certain years to be aware of or look for?
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06-18-2021, 11:51 AM | #7 |
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Re: Caprice Rear Axle Swap
Appartently the full sive chevy frame changed very little from 70 or so to 96 as a whole when disk brakes were introduced. And back to 65 if you do not mind drums.
There were some small changes, but I know lots of stuff swapped around. |
06-18-2021, 02:05 PM | #8 | |
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Re: Caprice Rear Axle Swap
Quote:
You're correct on the fact that it could be a poor-mans narrowed housing. There are also lots of others that can fit that need. Knowing the best (closest) width for your wants is the starting point. Measure the distance between the farthest outboard portion of the fender openings where the tires might rub. Factor in the wheel width/back-spacing to determine what rear-end width will work. Google rear end widths for more info & that should help guide your options.
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67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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06-18-2021, 03:17 PM | #9 |
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Re: Caprice Rear Axle Swap
I don't even have a C10 at the moment. I've been working on my old 'Vette, and my friend has been over helping me driving his rusty C10. It has the front clip off my old red truck, doors off my old white truck, and it's original blue bed. Patriotic! I still have a '53 F100 I want to get back on the road, but I definitely want another C10. Just doing some mental planning...
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06-21-2021, 05:44 PM | #10 |
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Re: Caprice Rear Axle Swap
You are looking for the 9C1 rear. I believe 96-98 if I remember correctly. Disc and posi from the factory. Same 5x5 lug spacing. They also came in Impalas. I know a guy who did the swap. Used new perches and switched to a disc/disc master cylinder and proportioning valve. I dont remember what he did for the U joints.
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06-21-2021, 10:39 PM | #11 |
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Re: Caprice Rear Axle Swap
That's just what I was thinking, police car axle. Was thinking it would be a good swap.
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06-21-2021, 11:24 PM | #12 |
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Re: Caprice Rear Axle Swap
Police car and SS car Option package 10 bolts have the 5x5 bolt pattern 15" you want the later one mostly
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1977 REG cab Long Bed with a 1984 Front Clip, 82 305 .60 over 9.0.1 flat top pistons, 4bbl, TH350, w/84 SS-intake & cam , w/ 1977 big block rad, 1975 gear box, 1984 master w/ metric fittings top & SAE fitting @ portion block, 1975 3.42 gear open diff. Duel 77-87 Factory air cleaner, duel inlet from rad support . Down sized 9' to new 8' Steel flat bed Was a 77 454 w/308 gear. Taken out 550 lbs. up front with motor clip change. |
06-22-2021, 04:15 PM | #13 |
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Re: Caprice Rear Axle Swap
I think some Astro vans are 5 lug with disc brakes too.
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06-22-2021, 06:23 PM | #14 |
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Re: Caprice Rear Axle Swap
Be careful. Station wagons had 1 inch wider rear. This was because chevy advertised ability to carry 4 x 8 sheet of plywood flat on floor.
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06-22-2021, 06:30 PM | #15 |
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Re: Caprice Rear Axle Swap
Pretty sure the use of these housings for alternative vehicles is known throughout gearhead circles. I can't think of the last time I saw an actual 96-98 SS car in a yard. The cop cars are pretty scarce as well.
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67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
06-24-2021, 12:53 AM | #16 |
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Re: Caprice Rear Axle Swap
This included Reg- Caprice and (Taxi cab's )-most did come WITH OPTION of SS or Police car = bolts have the 5x5 bolt pattern 15"
the option code I for get now But not all taxi cabs had it because there was a lot of them left over the rent cops, fire departments chief, military cops bases, air port base cops. You check them to see if they had the option most would as they get some deals on buy.
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1977 REG cab Long Bed with a 1984 Front Clip, 82 305 .60 over 9.0.1 flat top pistons, 4bbl, TH350, w/84 SS-intake & cam , w/ 1977 big block rad, 1975 gear box, 1984 master w/ metric fittings top & SAE fitting @ portion block, 1975 3.42 gear open diff. Duel 77-87 Factory air cleaner, duel inlet from rad support . Down sized 9' to new 8' Steel flat bed Was a 77 454 w/308 gear. Taken out 550 lbs. up front with motor clip change. |
06-24-2021, 10:29 AM | #17 |
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Re: Caprice Rear Axle Swap
It's the police pursuit and Impala SS's that got 8.5" axles and disc brakes. 95% are 7.5" axles and/or drum brakes.
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06-24-2021, 04:35 PM | #18 | |
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Re: Caprice Rear Axle Swap
Quote:
The B-Body Caprice and Impala ended production in 1996. The only big V8 cop/taxi cars after that were the 1998-2011 Ford Panther platform Crown Vic There was no such thing as a 1997-1999 Caprice or Impala. The 2000-2019 Impala was FWD. I believe the Impala has disappeared into the sunset again. The 2011-2017 Caprice PPV was actually a RWD Holden model that came with a 6.0L V8 & 3.6L V6 but it's significantly smaller than the 1990's B Bodies. Closer to the 06-17 W body Impala. I believe the B-Body axles are narrower than truck axles.
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And please let us know if and how your repairs were successful. Last edited by hatzie; 06-25-2021 at 08:13 AM. Reason: Remove the taxi reference to disc brakes |
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06-24-2021, 06:42 PM | #19 | ||
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Re: Caprice Rear Axle Swap
Quote:
https://www.impalassforum.com/thread...nsions.556337/ Quote:
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67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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