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Old 02-20-2010, 11:48 AM   #1
Daniel U
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Join Date: Oct 2006
Location: Central Coast, CA.
Posts: 1,202
Gearing ?

I'm new to the 73-87 truck, more specifically 4X4 world. I recently bought my wife her dream truck. It's an 85 Silverado with a 5.7 TPI motor. I want to tune it better but would like to figure out the best gears for it before I do so. It has a 4" suspension lift and currently runs 33's. I'd lke to go to 35's. Anyone think this is a good or bad idea? I also want to swap the light wieght running gear to a 1 ton front/rear. What gears should I be looking for when I go to a salvage yard to find my donor front/rear? 4.10's or 4.56?
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Mom's 1954 (TBI 5.7/700R4/14 bolt 4:10) 5 Chevrolet window 3/4 ton long bed Pick up
build thread ->http://www.67-72chevytrucks.com/vboa...d.php?t=228674
My 1954 (TPI 5.7/700R4/10 bolt 3:73) Chevrolet 5 window 1/2 ton short bed Pick up
build thread->http://67-72chevytrucks.com/vboard/s...3&goto=newpost
1960 (400/T350/?) Apache 10 short/fleet side-big window
1973 (TPI 5.7/700R4/14 bolt 4:10 w DANA 60 front) Chevrolet Cheyenne 4X4
2013 (Vortec 5.3/6-speed 6L90 automatic) Sierra LT CREW CAB
Doing my part to warm the globe

Last edited by Daniel U; 02-21-2010 at 11:48 PM.
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