| Crusing in the Passing Lane Joined: Jun 2011 Posts: 5,096 | I think the tech tip article is a little vague not stating to only drill the .375" and .437" holes through the steel, not into the cast iron bearing retainer. Of course, this all much easier to do when the engine is apart.
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.
| 
