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04-11-2007, 10:55 PM
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#1 |
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Registered User
Join Date: Dec 2006
Location: washington state
Posts: 144
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Ring & Pinion issues-8 lug - 3/4 ton
I'm looking for suggestions or comments.. Thanks..
The story: Purchased a 67 3/4 ton, th400, coils all the way around, Eaton rear, 32" commercial truck tires on 16 " rims, Drum brakes- 8 lug,,, Truck was carrying an Alaskan POPup camper ( approx 1600lbs ). i had wanted to ditch the tall tires to rid myself of the tire 'whine' on the freeway..... I sold the camper to pay for a disc brake/ power booster set up, Then added drop spindles & coils. Found a great set 8 lug- 17" Weld Conehead wheels, added a set of Continental radials- only the tires are 28" tall. Now it's hard to go over 50 mph, that ole 350 is really spinning and loud , too , Geared too high. Question - did years/ models did GM offer other diff. that were 8-lug but better gearing, I must have 4:10 gears. the truck just looks fast , & the mileage went south... any help or suggestions please.. Thanks, jim
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1941 Chevy 1/2 ton Street Rod: 327 cu,/350 auto, 'Stinger ' - JULY 2007 CUSTOM CLASSIC TRUCK magazine. 1967 Chevy 3/4 ton standard bed, 350 cu./400 auto, w/ 83 - 3:43 rear end...sips gas.... Last edited by fourty1; 04-12-2007 at 03:11 PM. Reason: mis-spelled title |
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04-11-2007, 10:58 PM
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#2 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: Rack & pinion issues
you can get a stock dana from a 68 - 72 from a big block truck, it'll have 3.54 unless otherwise optioned. Otherwise, 4.10 and 4.57 is about all you'll find.
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