| Crusing in the Passing Lane Joined: Jun 2011 Posts: 5,096 | Be careful, head gaskets and gasket sets are hard to find for 426's or any other big blocks, makesure your head bolts are tight (80 ft. ft. pounds for .437 bolts, if .437 bolts less, )
ARP has.437 head bolts, slightly long, but OK.
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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