| Crusing in the Passing Lane Joined: Jun 2011 Posts: 5,096 | I used copper pipe for straights and elbows of appropriate sizes on my '37 GMC, only used short sections of rubber on the ends, so no problem replacing the short sections, soldered all the copper sections.
'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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