| Crusing in the Passing Lane Joined: Jun 2011 Posts: 5,096 | What trans will you be using? You will probably need to figure that out, then find an appropriately geared rear axle. You will probably want to cruise at 1800 RPM's or so for best economy. Might want to do that first before working out brake system.
Ed
'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires.
'47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle.
'54 GMC 630 w/ 503 gasser, 5 speed, ex fire truck, shortened WB 4', install 8' bed.
'55 GMC 370 w/270, 420 4 speed, grain, dump bed truck from ND. Works OK.
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