C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Custom made con rod bearings

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Old Nov 18, 2006 | 10:42 AM
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Default Custom made con rod bearings

Does anybody know any company that could make them?
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Old Nov 18, 2006 | 11:04 AM
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What size, for what application?
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Old Nov 18, 2006 | 11:26 AM
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What are you creating that you can't buy a bearing for?
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Old Nov 18, 2006 | 11:59 AM
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Well, it's not corvette related but I know that there are a lot engine builders here so I thought why not to ask.

A friend of mine bought Mercedes CL55 AMG ( not supercharged ). Previous owner had accident and car ended up in sea. The car was pulled out of water and left like that for a couple of months. unfortunately the salt from the sea made some marks on the engine.
Machining shop told him that he can machine crank and that oversized rod bearings from a different model merc will fit. He was wrong! And guess what? Both Merc and AMG don't offer oversized rod bearings!!!
Only soultion is new crank from AMG ( ~$4000 ) or custom made rod bearings if anybody makes them.
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Old Nov 18, 2006 | 12:24 PM
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Originally Posted by Sliding
Well, it's not corvette related but I know that there are a lot engine builders here so I thought why not to ask.

A friend of mine bought Mercedes CL55 AMG ( not supercharged ). Previous owner had accident and car ended up in sea. The car was pulled out of water and left like that for a couple of months. unfortunately the salt from the sea made some marks on the engine.
Machining shop told him that he can machine crank and that oversized rod bearings from a different model merc will fit. He was wrong! And guess what? Both Merc and AMG don't offer oversized rod bearings!!!
Only soultion is new crank from AMG ( ~$4000 ) or custom made rod bearings if anybody makes them.
Before I'd consider moving to a new high dollar crank, I'd exhaust all other avenues. Many times parts from a completely different MAKE of car will work.

Cruise control servos from a Pontiac, etc., will work fine on a C4. I've read articles where Chrysler bearings were used in Chevys. Stuff like that.

Jake
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Old Nov 18, 2006 | 12:37 PM
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I would think the crank could be welded up and turned back to standard cheaper than a new crank. I for one, have never heard of custom made bearings. Custom made cranks...Yes. Custom made bearings...No. I also agree that something for a totally different application may work, or be able to be modified and adapted.

RACE ON!!!

RACE ON!!!
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Old Nov 18, 2006 | 02:47 PM
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Are there no aftermarket companies that make bearings for a cut-down crank in this car?
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Old Nov 18, 2006 | 03:04 PM
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King makes a variety of different size bearings for a given application, may want to check them out.
I cant believe a machinist would turn doen a crank without knowing wether or not he could get bearings for it??
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Old Nov 18, 2006 | 04:17 PM
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Benz parts, look on ebay
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Old Nov 18, 2006 | 06:03 PM
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Originally Posted by cuisinartvette
King makes a variety of different size bearings for a given application, may want to check them out.
I cant believe a machinist would turn doen a crank without knowing wether or not he could get bearings for it??
And for that matter what size did he turn the crank to???
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