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01-29-2011, 03:36 AM #1
right gear for 39.5x15 super swampers
I think ive decided to put the D60 rear end from my old F250 under the K5. It currently has 4.56 gears but I dont know if thats big enough to handle my 39.5x15 tires.anybody got any input on this?-Dylan
2004 Silverado 4x4
1986 K5 Blazer
8" Superlift w/39.5 super swampers
1992 GMC Jimmy "Blue Bomber"
01-29-2011, 03:56 AM #2
- Join Date
- Sep 2010
- Far West, Oregon USA,
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Dylan, your 39.5" tires are off the scale on my slide rule, but with 4:56 gears at 3,000 RPMs you'd be doing 80MPH in a 1 to 1 ratio high gear (no overdrive gear involved)
Is that what you're looking for?
2670 RPMs @ 70MPH
2250 RPMs @ 60MPH
Last edited by stephan; 01-29-2011 at 04:08 AM.1988 Chevy C-3500 2wd (no pic)
350 c.i. 5.7 L Stock Block, 4 Bolt Mains
L-31 Vortec Heads, Edelbrock Cam & Intake,
Holley 650, Flowtech Headers, Magnaflow exh.
Jet Trans 700R4, B&M Ratchet, 4:10 gears,
3" susp. lift kit "shadetree"
No rev limiter, No speed limiter lol
01-29-2011, 04:47 AM #3
Im honestly too scared to take that thing over 50mph haha Im just wanting a gear thatll be stronger enough to hold together while im playing in the mud and be able to move that huge truck the easiest
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