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Old 07-25-2005, 10:45 PM   #1
Jefe
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Quick 383 Balance Question..

I'm just about ready to build my 383 and I am going to mate it to my Muncie 4 speed in my '68 shortbed. I was wondering if anyone has used a 383 Balance Plate that bolts between the crankshaft and the flywheel? I am kind of weary on using such a thing, but dont really want to buy a manual flywheel for a 400sbc. Any opinions? Thanks!

Douglas.
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-1968 Chevy SWB = Frame Off/383/Muncie Car 4 speed

-1968 Chevy SWB = numbers matching 307/Truck 4 speed.

-1966 Chevy II = 2 door No Post/130,000 Orig miles/230 6cyl/powerglide/Vintage AC

-1972 Chevy Nova = 2 door/412 Small Block

-1927 Ford Roadster = Homebuilt/widened 8"/350/ Custom Everything.
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Old 07-25-2005, 11:22 PM   #2
rage'nrat638
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if the crank was balanced .....it should have had the fly wheel bolted to it to do it correctly !!!!!!
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Old 07-26-2005, 12:02 AM   #3
fastwillie 696969
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external balance should have the flywheel and clutch assy on for balancing
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Old 07-26-2005, 10:35 AM   #4
69 longhorn
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^ what they said! External balance is a little funny to deal with, you can swap flywheels a get a vibe on a stocker. I have seen guys use that balance plate, but i dont think its the best thing to do. If you havent assembled the engine.....best bet would be to take the balancer,crank, clutch cover & flywheel in to have it balanced together. that is the only way to make it truely "right on". best of luck......69L
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Old 07-26-2005, 10:44 AM   #5
Jefe
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I'm going to balance the engine with the plate bolted to it. I think thats the idea of the plate, makes a 350 flywheel or flexplate into a 400 flywheel or flexplate sort-a-speak. Just wondering if anyone has used one before. Thanks for the info!

Douglas.
__________________
-1968 Chevy SWB = Frame Off/383/Muncie Car 4 speed

-1968 Chevy SWB = numbers matching 307/Truck 4 speed.

-1966 Chevy II = 2 door No Post/130,000 Orig miles/230 6cyl/powerglide/Vintage AC

-1972 Chevy Nova = 2 door/412 Small Block

-1927 Ford Roadster = Homebuilt/widened 8"/350/ Custom Everything.
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