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07-09-2002, 09:45 PM
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#1 |
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Registered User
 
Join Date: May 2002
Location: North Carolina
Posts: 1,234
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Rear ratio opinions
I'm about to replace the 250 in my '68 Shortstep with a stock 350 and a 350 TH. I will be running 235/75/15 tires (28.8" diameter). I would like to hear opinions as to a good all around rear ratio to use--not going drag racing, just want good performance and decent gas mileage. The truck presently has a 3:73 rear and the computer program says I'll be running 3045 rpm @ 70 mph with it.
Whaddya think? 
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Stepsides look like real trucks! Smitty 
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07-09-2002, 09:59 PM
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#2 |
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Registered User
Join Date: Aug 2001
Location: escondido, ca 92026
Posts: 1,222
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good performance and decent gas mileage are mutually exclusive.... can't have both. If you'll be on the hiway much, switch to the 3.07 gear.... I think you can also get a 3.42.
Other alternative is to keep the 3.73 and install a 700r4 trans... good luck...
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'72 short step, 350, 700R4, tilt, ps, pdb, a/c, lowered coils, etc., other work in progress... San Diego, CA 72 Stepside Project |
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