3rd Gen / L98 Engine Tech 1982 - 1992 Engine Related

383/6 speed questions?

Old Apr 2, 2004 | 02:40 PM
  #1  
stevem's Avatar
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From: Kelowna,BC,Canada
383/6 speed questions?

last year i built a 383 for my iroc and now am going to put a 6 speed in it.Will i have to balance the flywheel and will the flywheel off of an LT1 bolt on.

i had to balance the flexplate last year when i built the 383
Old Apr 2, 2004 | 05:58 PM
  #2  
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From: T-town
If it's a late-model (1-piece RMS) engine then the LT1 flywheel will bolt up. If it's a 2-piece block you'll need a conversion flywheel.

Since you had to balance the flexplate, you must have an external-balance crank which means you'll need to balance the flywheel too. You can just take the flexplate off and carry them both to a machine shop and have the flywheel balanced to match the flexplate.
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