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block swap on an LT4

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Old 10-25-2020, 09:16 AM
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jr136079
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Default block swap on an LT4

I recently purchased a 1996 LT4 corvette and I'm wondering if it is possible to use late model 350 sbc block to create a 383 c.i.d. using the top end off my engine. I can't seem to find much information on an LT4 or short blocks for sale. I've considered doing a complete engine swap to a crate 383 but I'm not sure what to do with the computer. Any help will be much appreciated
Old 10-25-2020, 01:18 PM
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cv67
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Why not stroke the LT4? Has a 4 bolt block and decent heads as is. Its a great plaform, the intake is pretty decent too can support plenty of power.
Get the pc tuned when youre done

Last edited by cv67; 10-26-2020 at 04:09 PM.
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Old 10-26-2020, 12:38 PM
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RichS
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Buy a 2 bolt LT1 block and have 4 bolt splyed caps installed. Then all your stuff fits.
Old 10-26-2020, 03:50 PM
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drcook
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Originally Posted by jr136079
I recently purchased a 1996 LT4 corvette and I'm wondering if it is possible to use late model 350 sbc block to create a 383 c.i.d. using the top end off my engine. I can't seem to find much information on an LT4 or short blocks for sale. I've considered doing a complete engine swap to a crate 383 but I'm not sure what to do with the computer. Any help will be much appreciated
Not really without LOTS of work. LT4 has Optispark distributor and provisions for such, as well as reverse flow cooling. It is a Gen2 (generation 2) engine design.

The block is already a 4-bolt main block. Pull it out and have it done to the one you have. As far as the computer, it is setup for the architecture on a LT1/LT4.

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