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305 and 350 harmonic Balancer?

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Old May 15, 2001 | 12:32 PM
  #1  
KustomIroc's Avatar
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From: Miramichi, NB, Canada
Car: 1986 Pro Street Iroc-Z
Engine: 383 Stroker
Transmission: 700R4
305 and 350 harmonic Balancer?

Can I use my 86 305 harmonic balncer on my new 86 TPI 350 or are they different?


Thanks

------------------
Jamie James
1986 Iroc-Z 305 TPI
1.90 60 ft 14.15@ 95.75
1.74 60 ft 12.84@107.75 on the bottle.
My IROC:
http://personal.nbnet.nb.ca/jjames/homepage.htm
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Old May 15, 2001 | 12:51 PM
  #2  
Omega's Avatar
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From: Northern NJ
Car: 89 Formula / 09 G8
Engine: LS1 / LS3
Transmission: M6 / M6
Axle/Gears: 3:42 / 3:27
They are different, but i think you can have the crank or the balancer rebalanced for the 305 balancer. I am almost positive that you have to get a 350 balancer.
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Old May 15, 2001 | 01:44 PM
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RB83L69's Avatar
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Joined: Jul 1999
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From: Loveland, OH, US
Car: 4
Engine: 6
Transmission: 5
The 305 balancer will work on a 350, there are no balance issues. The crank is the same casting # (442 in most cases).

The 305 balancer however is lower mass, and therefore isn't as effective at damping vibrations as the 350 ones. Even though it fits and will "work", I would not recommend using the 305 one on a 350 although swapping them the other way is fine.

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"So many Mustangs, so little time..."
ICON Motorsports
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