| Crusing in the Passing Lane Joined: Jun 2011 Posts: 5,096 | I have made thick teflon washers to go under the one steel washer under each acorn nut, studs can be threaded further into head if too long. If over tightened, can distort valve cover.
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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