Engine re-build, seized during break-in

Donnie strickland · Posted: Tue Jun 19, 2012 2:01 pm Post subject:

It looks like bearing material was smeared into the oil groove under pressure. I wondered if the bearing was too tight on the crank for some reason.

Max Welton · Posted: Tue Jun 19, 2012 2:56 pm Post subject:

Stitch59 · Posted: Tue Jun 19, 2012 2:57 pm Post subject:

No, no, I understood what you meant. But I am wondering if gritty oil or something caused the oil to stop flowing. It seems like something other than just the seizure damaged that bearing.

KTPhil · Posted: Tue Jun 19, 2012 3:15 pm Post subject:

Eric&Barb · Posted: Tue Jun 19, 2012 6:12 pm Post subject:

Did the rod bearings get junk in them?

Looks like you can polish out the crank if it mics still good.
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Stitch59 · Posted: Wed Jun 20, 2012 3:08 am Post subject:

They may have, I haven't pulled the connecting rods off the crank as of yet.

I think you are right, the crank will polish out. Even if the rod bearings got stuff in them I doubt there is much, if any, damage. They turn smooth.

Max Welton · Posted: Wed Jun 20, 2012 5:49 am Post subject:

At this point I would advise more pessimism and less optimism. Wink

Check and clean EVERYTHING.

Max
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duderman · Posted: Sun Jun 24, 2012 12:56 am Post subject:

Ouch. Bearing in backwards? Oil hole didn't line up.

mrk_1025 · Posted: Sun Jun 24, 2012 11:17 pm Post subject:

^^ What he said... I'm thinking the same thing. Holes didn't line up and starved this bearing. Was just about to say it myself

Stitch59 · Posted: Sun Jun 24, 2012 11:46 pm Post subject:

It's possible. I'm pretty sure they did but maybe they didn't. They appeared lined up when I pulled it apart but I may not have looked close enough. Anyways, its apart now and at the machine shop.

duderman · Posted: Wed Jul 04, 2012 10:53 am Post subject:

Keep us posted. I've been fighting the same problem for 6 months now. Today will be my 8th try.

baked beetle · Posted: Wed Jul 04, 2012 1:09 pm Post subject:

I have some 36hp steel backed split mains for sale in the classifieds, I might have what you need to do a quick replacement
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Zundfolge1432 · Posted: Wed Jul 04, 2012 2:47 pm Post subject:

If you did circulate metal shavings within the oil it is imperative that you clean out the oil galleries by drilling out the plugs and use bore brushes which you'll find amongst a gun cleaning kit, the better ones have handles and extentsions too.

Next you will have to obtain another oil cooler as it is impossible to properly clean because of the way its constructed.... The pleats in the pushrods also are a hiding place for debris...

The good news is bearing material can be cleaned off a crank or rod journal if its not burned using 400 grit emory cloth... cut it into strips about the diameter of the bearing journal and polish like you would shine a leather shoe, back and forth, checking till you remove the melted mess ..

The reference books you mentioned are good choices but I would add Tom Wilsons book and perhaps one of the videos and BTW many videos now exist on youtube , ck it out... good luck

rwtags · Posted: Wed Jul 04, 2012 2:50 pm Post subject:

this happened to me, or something but i caught it as soon as i saw a oil leak, i installed the oil cooler with the wrong gasket or o ring converter, it was supposed to be a 8mm to 6mm or something like that, but i put a 8mm to 8mm or something, oil squirted everywhere, i killed the engine immediately, pissed off.

Stitch59 · Posted: Mon Jul 09, 2012 2:24 pm Post subject:

Engine comes back from the machine shop today. Still don't know why it blew the flywheel seal. If anyone has any ideas, please let me know. It would be great to have that figured out before I start putting it back together.

I'm putting in new bearings, con rod and mains.

Stitch59 · Posted: Wed Jul 11, 2012 12:31 am Post subject:

New problem....

I received my engine back from the machine shop today. I had Wolfsburg West ship the new bearings directly to him so that he could assemble my crank for me. The problem is, he, Sam at Peter's Head Shed, said the connecting rod bearings I ordered plus three other things weren't in the shipment he received from Wolfsburg West. Evil or Very Mad

Who do you think I should believe?[/url]

esde · Posted: Wed Jul 11, 2012 3:50 am Post subject:

I've had WW ship incomplete orders twice before. The order comes shipped with a pink slip stating to check the order, and contact within 48 hours if there's a problem. The one time, when I really needed the parts to finish a project, WW expressed the stuff to complete the order on their dime, so I can't complain about their service. Just call them.

Stitch59 · Posted: Wed Jul 11, 2012 1:36 pm Post subject:

WW says the weight of the box is consistent with what should have been in there. They are blaming customs.

slow36hp · Posted: Wed Jul 11, 2012 5:23 pm Post subject:

been doing business with WW for years and they have always been stand up. sounds like you are getting the full ride of hard knocks on this motor. hope it comes together soon
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Stitch59 · Posted: Wed Jul 11, 2012 6:20 pm Post subject:

Didn't mean to imply that WW didn't send them to me or that they were to blame. I believed all along that they did in fact ship them.

My machinist just called and he found them.

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Engine re-build, seized during break-in
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