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Old 03-09-2008, 02:21 PM
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Small journal crank in medium journal motor

Does anybody know where to find adapter bearings or bearing spacers for putting small journal 283 crank into a medium journal block?

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Old 03-09-2008, 02:29 PM
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I know they make them for 350 to 400 but for small journal to large journal SBC I dont remember anyone that does that...? Maybe someone on here knows...?

Normal trick was to use small journal rods on a large journal crank just have turned down...
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Old 03-09-2008, 03:01 PM
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Clevite makes the MS-1110-H as we use thses in alot of circle track engines when we use the 283 mains and Honda rod engines we build.
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Old 03-09-2008, 03:25 PM
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Are you telling me that clevite MS-1110-H bearings will adapt a 2.3" journal crank into a 2.45" journal block?
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Old 03-09-2008, 03:49 PM
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The rod journals are not an issue as new aftermarket rods with 2 inch journals will be used. I just need to overcome the crankshaft difference.
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Old 03-09-2008, 09:05 PM
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Anyone make berings to use a 283 crank in a 400 block?

Shane
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Old 03-09-2008, 10:01 PM
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Why use a 283 crank in a 400?
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Old 03-09-2008, 10:32 PM
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Rev Hard and fast...I know you can weld the journals up but I dont know if they make that thick of a spacer main bering.

Shane
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Old 03-09-2008, 10:43 PM
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Quote:
Originally Posted by Chevrolet4x4s
Anyone make berings to use a 283 crank in a 400 block?

Shane
If you wanted to build that kind of engine then you'd probably want to buy an aftermarket block. They are out there with 4.125" bores 2.45" main journals.

Personally I'd take the extra stroke and 75 extra cubes of a 400 over a super destroked 325" engine.
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Old 03-09-2008, 11:47 PM
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Bearings

Back in the mid-70's TRW listed them in their catalog,it wasn't uncommon to build a 302 using a 4 bolt main 350 block and a 283 steel crank.Trying to find an old catalog and finding the bearings anywhere would be tough,they have been out of production for a while as have the 302 Pistons,Badger and Silvo-lite made them in cast and TRW & Seal Power had them in forged,Seal Power may have listed those bearings also but also finding an old listing almost impossible.
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Old 03-10-2008, 07:14 AM
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Childs and Alberts still sells them.
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Old 03-10-2008, 08:49 AM
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Can anyone confirm that clevite bearing set MS-1110-H will allow use of 283 crank in medium journal block ???
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Old 03-10-2008, 12:34 PM
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I asked as I thought that was likely the answer. You can have the revs, I'll take the cubes. You cant beat cubic inches.
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Old 03-10-2008, 01:25 PM
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sure you can...rev them both to 7000 and see which one spins longer.
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Old 03-10-2008, 06:19 PM
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Quote:
Originally Posted by DrivFast4U
Can anyone confirm that clevite bearing set MS-1110-H will allow use of 283 crank in medium journal block ???
We use them all the time!!!!!!!!!
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