LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

What kidn of balancer would you go with for a FI 383?

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Old Feb 25, 2006 | 10:42 PM
  #1  
HardcoreRM125's Avatar
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What kidn of balancer would you go with for a FI 383?

For a forced induction 383, say 600 at the wheels. Not spinning past 6400RPMs?

An LT1 is internally balanced. So would a regular underdrive pulley/harmonic balancer be ok?

I wanted to get an ASP 23% underdrive, but I wont if I am going to be reinstalling a different one a few years from now when I build it. Thats money that oculd be better spent elsewhere.
Old Feb 25, 2006 | 11:03 PM
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Re: What kidn of balancer would you go with for a FI 383?

Originally Posted by HardcoreRM125
For a forced induction 383, say 600 at the wheels. Not spinning past 6400RPMs?

An LT1 is internally balanced. So would a regular underdrive pulley/harmonic balancer be ok?

I wanted to get an ASP 23% underdrive, but I wont if I am going to be reinstalling a different one a few years from now when I build it. Thats money that oculd be better spent elsewhere.

LT1 is NOT internally balanced from the factory. It is half/half,internal on the front half with a zero balancer and external on the back with a weight on the flywheel/flexplate.
I would call ATI and get there super dampener,but see what the recommend first. Mine is a steel hub, aluminum balancer set up with three "O" rings. They have an underdrive one too.

Last edited by 1racerdude; Feb 25, 2006 at 11:05 PM.
Old Feb 26, 2006 | 07:24 AM
  #3  
cehan's Avatar
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Re: What kidn of balancer would you go with for a FI 383?

Don't forget that you will want to use a keyed crank hub too.

Chris
Old Feb 26, 2006 | 08:54 AM
  #4  
HardcoreRM125's Avatar
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Re: What kidn of balancer would you go with for a FI 383?

Yea, thats why I had no idea what to do ... Not a lot of information on who has what, and what works/what doesnt.
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