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07-01-2011, 10:13 AM
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#1 |
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It'd be alot cooler if you did
Join Date: May 2003
Location: Three Rivers, MI
Posts: 2,345
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suburban rear axle
1991 suburban 350 tbi 700r4. I need a new rear axle. Whats a direct swap? I want the gears to stay the same.
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07-01-2011, 01:53 PM
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#2 |
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Registered User
Join Date: Apr 2010
Location: Kansas City, MO
Posts: 192
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Re: suburban rear axle
You have a 8.5inch 10 bolt axle with 31 spline shafts.
You will have to find the gear ratio yourself. You didn't mention 2wd or 4wd, but I assumed 1/2 ton because it has a a 700R4. Get an axle from a 81-91 Sub, Blazer or 81-87 truck. If you go older, you will get a 12 bolt, which has minor mods with the u-joint. Axles older than 88 or so will have 28 splines...not a big deal if swaping the entire axle. parking brake cables should work, if not, swap the entire brake backing plates. |
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07-01-2011, 06:39 PM
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#3 | |
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Registered User
Join Date: Sep 2000
Location: Gold Bar, WA
Posts: 1,216
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Re: suburban rear axle
Quote:
Also I think 84 they changed the parking brake cable design. I had to do some mods when I swapped out the rear end on my 85 with one from an 82 Burb.
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My Projects: 1960 GMC 1/2ton with 305 V6 (daily driver) 1963 Chevy 1/2ton 2wd...converting to 4x4 1967 Suburban 1/2ton 2wd My Girlfriends Projects 1985 Chevy Suburban 3/4ton 4x4 with 6.2L diesel, 4" lift, converted to TH-400, Warn Premium manual hubs, & Wildcat 315/75/R16 tires. (daily driver) 1978 Camaro Type LT with a Marine 350 & vortec heads, Rochester Carb, & roller cam 1978 Camaro Z28 |
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07-02-2011, 11:31 PM
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#4 |
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Chevys Kick A$$
Join Date: Jan 2005
Location: Zootown, MT
Posts: 12,699
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Re: suburban rear axle
You gotta figure out what it is by counting the teeth or if your lucky you might still have the build sheet for it in your truck. Which should have a code for your axle. If you want another 10 bolt or you could see about getting the 14bolt 6 lug the put in the light duty 3/4s tons. Late 80's to early 90's should all be the same.
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*HOODS is what I answer too* -'79, '77, '88 Pickup Sold, '85 Camaro, '83 T/A, '81,'83,'90 K5 Blazer All Sold  -'79 3/4 ton "Big Yellow Bananna" Lifted 4spd. 39.5 TSL Swampers, The money Pit   -'86 K5 Blazer Silverado 6.2 4" lift 35"s -'95 Ext. Cab Shorty 4" Tuff Country rolling 35" M/T's -'83 Monte Carlo T-Tops. 126,500 Original Miles -LATER  I would rather push a Chevy then drive a ford!!
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