how do i know what rear end is in my 69 and whats the best rear end to have - The 1947 - Present Chevrolet & GMC Truck Message Board Network

69C-owner · 12-19-2011, 02:44 AM

I have a 69 custom/10 1/2 ton, was a 350 with a 4 barrel and 350 trans, its now sporting a Pontiac 350 still a 350 trans, gonna build a mild 383 stroker, still not 100% sure what I'll do for the trans but the truck will be used as a daily driver, it will see a few runs at the drag strip and im sure ill do a good bit of hauling with the old girl, ive heard alot about dana 60's and also read some about them on here, what the best/easiest rearend to build or just leave alone for 450-600 HP and about equal torque numbers and do a 4 wheel disc setup?
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69C-owner · 12-19-2011, 02:45 AM

And how do I tell whats under the truck now?
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JimKshortstep4x4 · 12-19-2011, 09:14 AM

Your differential is probably a 12 bolt unless someone changed it out. Count the bolts holding the cover on the rear end. It should have 12 fasteners holding it on.

Jim

12-19-2011, 02:44 AM	#1
69C-owner Registered User Join Date: Dec 2010 Location: Apison Tn Posts: 490	how do i know what rear end is in my 69 and whats the best rear end to have I have a 69 custom/10 1/2 ton, was a 350 with a 4 barrel and 350 trans, its now sporting a Pontiac 350 still a 350 trans, gonna build a mild 383 stroker, still not 100% sure what I'll do for the trans but the truck will be used as a daily driver, it will see a few runs at the drag strip and im sure ill do a good bit of hauling with the old girl, ive heard alot about dana 60's and also read some about them on here, what the best/easiest rearend to build or just leave alone for 450-600 HP and about equal torque numbers and do a 4 wheel disc setup? Posted via Mobile Device __________________ http://67-72chevytrucks.com/vboard/s...d.php?t=43855069 LWB Fleet 1994 Buick Roadmaster 1994 GMC Sonoma

12-19-2011, 02:45 AM	#2
69C-owner Registered User Join Date: Dec 2010 Location: Apison Tn Posts: 490	Re: how do i know what rear end is in my 69 and whats the best rear end to have And how do I tell whats under the truck now? Posted via Mobile Device __________________ http://67-72chevytrucks.com/vboard/s...d.php?t=43855069 LWB Fleet 1994 Buick Roadmaster 1994 GMC Sonoma

12-19-2011, 09:14 AM	#3
JimKshortstep4x4 Senior Member Join Date: Jul 2001 Location: Muskegon,MI,USA Posts: 6,026	Re: how do i know what rear end is in my 69 and whats the best rear end to have Your differential is probably a 12 bolt unless someone changed it out. Count the bolts holding the cover on the rear end. It should have 12 fasteners holding it on. Jim __________________ 1971 Shortbox step side 4x4, 350 sbc, 3:07 rear end 1965 Impala SS 400 sbc, Muncie rock crusher 1966 Impala SS 396 bbc, TH 400 1969 El Camino, 350 sbc, TH 350 1971 Snowplow built on a Blazer frame 1972 GMC Short bed, stepside, TH 400, 427 BBC

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