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10-24-2002, 05:35 PM
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#1 |
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Project 7dos
Join Date: Aug 2001
Location: Abilene, Texas
Posts: 876
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Rear gear question!!!???
I currently have 3.07 's in my 12 bolt..If i converted to 3.73's how much of a change would i notice in quickness?? Is it worth it if it hardly ever goes on the highway and want it to be able to compete Street/Strip????
Thanks Jason
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7DOS - 1972 C-10 350/350 Porterbuilt/Accuair 20x8.5/20x10 Ride Low or Die PSSST - Yes it's bagged. 7dos build thread: http://67-72chevytrucks.com/vboard/s...d.php?t=610290 |
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10-24-2002, 06:24 PM
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#2 |
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Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,402
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You will like the gear change, however the cheapest way to go is swap the complete rear diff out. you are looking at a carrier change to a 4 series to set up 3.73 gears. Im runnin 4.10s on a 28" tire,& its not bad in town,but on the road 3000 rpms is right at 60 mph. The posi unit I got was a swap item, butafter a rebuild, bearings & shims,gears....I still had a chunk of cash out, & I set up the gears myself. 3.73 was a pretty common ratio, found in the 6cyl trucks, so it shouldnt be too bad to pick one up, but the posi's are a little more "prized". good luck.....crazy Al
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