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Generation III Internal Engine
LM7 Cam Bearings

Generation III Internal Engine 1997-2006 LS1 | LS6

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LM7 Cam Bearings

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Mar 17, 2013 | 12:03 PM

#1

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LM7 Cam Bearings

I've been looking around as I am about ready to take my block to the machine shop for cam bearings, but which ones do I need for an LM7? Some websites say that the block needs to be a 4.000 Bore block for some cam bearings to work? With the LM7 being 3.780, what's the best plan of action? Call the local GM dealer and get some that way?

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Mar 17, 2013 | 03:24 PM

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I'm running federal mogul sealed power 1898M cam bearings in my '04 LM7 (Gen 3 block)

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Mar 17, 2013 | 04:46 PM

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Thank you, sir.

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Mar 17, 2013 | 10:56 PM

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You need to measure the block as there are 2 possibilities. Let your machine shop do it.

Durabond list the following info for there part numbers
CH10 shows 97-03
CH23 shows 04-up

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bearings, bestcambearingsls1tech, block, cam, engine, lm7

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