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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Mar 2026 Posts: 70 'Bolter | | 'Bolter Joined: Mar 2026 Posts: 70 | The rear main seal contact area is pitted. I have polished it but I’d still not great.
I have a crankshaft grinder, so it is not a big deal to grind it undersize, probably take about .005”
I have little experience with the rope style seal,
How do they handle an undersized journal ?
Dave | | | | | Joined: Feb 2004 Posts: 29,852 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,852 | I've had pretty good luck with using the thin stainless steel strip that secures the rubber in a windshield wiper as a shim behind a rope seal to make up for wear, or a seal surface that's been ground undersize. Use a few drops of red LocTite to help secure the shim to the block and main bearing cap before installing the seal.
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
| | | | | Joined: Jan 2008 Posts: 4,962 'Bolter | | 'Bolter Joined: Jan 2008 Posts: 4,962 | I have been using the rope stye for almost 70 years. You tap on the rope and then trim a little off any way so a little under size shouldn't make any difference. | | |
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