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05-15-2004, 09:41 AM
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Registered User
Join Date: Jan 2002
Location: Sahuarita, AZ USA
Posts: 2,033
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Crazy Longhorn - rearend question
Saw your post about changing rearends. I've got to do so, and just used the formula to determine that I have 411's now. I have a 700R4 and I run 3400 RPM at 75 MPH. Changing to a 307/308 would put me at 2500 at 75 MPH, which is where I would like to be. Someone told me this would make my truck a real dog off the line. I'm hoping it will not. I've been told that the 14 bolt 8 lug rear I have only has 3 gear choices, 391, 411 or 456. None of these will make me happy. I have a later model rear with 8 lugs, I'll open it up and see what gears it has. Do you think 307 gears will be ok with the 402/700R4?
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Bill - Tucson, AZ 47 Chevrolet 2 dr sedan 56 Chevrolet 210 2 dr sedan 66 Chevrolet Malibu 2 dr 4 speed 71 Chevrolet C30 Longhorn 86 Chevrolet Monte Carlo SS (Sold) 01 Chevrolet Tahoe IM - BUSTERWIVE@aol.com |
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