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Joined: Oct 2011
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Shade Tree Mechanic
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Shade Tree Mechanic
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I checked a few places and came up empty.
Thanks, Larry
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Joined: Nov 2002
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ChatMaster - 7,000
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ChatMaster - 7,000
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If it's for a 29-32 then the main bearings are babbitted. If not reusable they can be re-babbitted, however when thats done the engine will need to be line-bored.
Steve D
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Joined: Oct 2011
Posts: 103
Shade Tree Mechanic
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OP
Shade Tree Mechanic
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If it's for a 29-32 then the main bearings are babbitted. If not reusable they can be re-babbitted, however when thats done the engine will need to be line-bored. Steve, the rods were babbitt but the mains have insert bearings. Larry
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ChatMaster - 15,000
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ChatMaster - 15,000
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The rods have poured babbitt directly onto the rod forging. The mains have babbitt applied to bearing shells or inserts. Yes they need to be line bored.
How Sweet the roar of a Chevy four!
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Tech Advisor ChatMaster - 25,000
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Tech Advisor ChatMaster - 25,000
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The Mangy Old Mutt
"If It's Not Junk.....It's Not Treasure!"
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Joined: Oct 2011
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Shade Tree Mechanic
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Shade Tree Mechanic
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Jack, thanks for the info. That is what I was looking for. Larry
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Joined: Nov 2002
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ChatMaster - 7,000
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Just note the fact that the bearings sold by Kanter are
"semi-finished" and will still need to be line bored after installation.
Steve D
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Yes the description for the line boring of the main bearings is in the workshop manuals. Check your crankshaft bearing journals, or have the same machine shop inspect and grind your crank, and then finish the fitted bearings. Some shops wont do 1/2 of the job , they like do both the grinding and line boring for better warranty of the work.
JACK
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Joined: Oct 2011
Posts: 103
Shade Tree Mechanic
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Shade Tree Mechanic
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Thanks for all the replies. A friend of mine that works as a machinist on diesel marine engines said he could do the line boring if I got him the new main bearings.
I showed him that section in the repair manual and he said it would be no problem.
Thanks, Larry
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