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Old 11-29-2008, 04:59 PM
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92 Corvette Engine Swap

We are looking into changing an LT1 engine out of my brothers vette for a regular small block. There is nothing wrong with the LT1 it only has 35,000 miles on it he would rather pull it, leave it stock and store it. The vette is a 6 speed I was wondering what we need to consider with this swap. He was considering the elderbrock fuel injection unit so we dont alter the hood height, a distributor and possibly a dart block. He is wanting to use the factory bellhousing which I think is the same bolt pattern. I need to check the motor mounts to see if the locations are the same. Will the factory fly wheel work with an engine that is internally balanced and is the bolt pattern the same as a two piece rear main seal crank? I am just trying to forsee any problems with this swap, if anyone has any pointers I would appreciate it...

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Old 11-30-2008, 12:19 AM
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They LT1 flywheel wont work with a 2-piece rear main crank. LT1 flywheel is external balance, LT1 harmonic damper is internal balance. Stock 2-piece rear main 350 crank is internal balance, damper & flywheel.
If you choose a Dart block that has 1-piece rear main seal, the flywheel will work.
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Old 11-30-2008, 07:34 AM
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I would stay with a 2 piece RMS block because of crank selection and price. The mounts and bellhousing will bolt right in the only thing you will need is the accy mounts from an 84-91 to make things easier to get parts to fit the car.

I like the FAST FI over any of the others it is way more tuinable, the ECU will fit under the pass seat in your car and the MSD box will go behind the pass side of the dash to keep all the wires on one side of the car.

Hope this helps, Mike
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