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Re: Highly PO'd at machinist

Posted: June 20th, 2013, 7:08 pm
by TR1Hemi
I'll ask that question!

Re: Highly PO'd at machinist

Posted: June 20th, 2013, 7:13 pm
by TR1Hemi
I am in North Platte, Nebraska. My choices are this guy, or another guy who does race motors, who takes months...

Re: Highly PO'd at machinist

Posted: June 21st, 2013, 7:54 am
by IH 392
Try sliding the cam in backwards, if it's the front bearing you'll find out real fast!, it may?? be able to be saved?, sometimes you can wiggle it in and find the high spot and trim it a little with your pocket knife, but if it's bent to much you'll be into the steel backing before you get the babbitt dressed up.

Re: Highly PO'd at machinist

Posted: June 22nd, 2013, 6:27 am
by TR1Hemi
I tried the install the front of the cam first into the first bearing and it is not tight, I also tried installing the rear of the cam into the rear bearing first and it was not tight, so if it is a tight bearing it is one of the middle two, or course you cannot check for straightness this way, but they all look straight. He is going to measure the cam then measure the bearings while in the block, and see what is up, then possibly take out the bearings and check the block sans bearings and see if one is tighter than the others, then try new bearings.

Re: Highly PO'd at machinist

Posted: July 13th, 2013, 5:20 pm
by heavy equipment
You could have the piston skirts knurled. I've done it several times with good results. Some 1000 hp Cummins I've worked on had Teflon inserts in the skirts parallel to the wrist pin. I've never seen it on a gasser, though.