Balancer fit

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Balancer fit

Post  JACKAZZFLATZ on January 23rd 2018, 10:35 am

what would cause a balancer to weld itself onto the crank ??? fit was .0005" press. used never-sieze, and installed with a tool.
on a previous build, the balancer welded itself onto the crank, that fit was .001 press. actually hadda cut that one off.
the engine is a 4-1/2" stroke, is there too much goin on here ?
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Re: Balancer fit

Post  dfree383 on January 23rd 2018, 11:18 am

Vibration / harmonics
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Re: Balancer fit

Post  Frank Merkl on January 23rd 2018, 9:03 pm

Balance wasn't right ! Been there done that ! overbalance to 52% now
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Re: Balancer fit

Post  JACKAZZFLATZ on January 23rd 2018, 10:33 pm

other thing I thot about is the keyway dimension vs key. maybe it's too big and letting things rattle around ... i'll have the shop recheck the balance.
thankx, eh.
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Re: Balancer fit

Post  AlkyPinto on February 9th 2018, 11:52 am

Had the same problem! Frank can you elaborate?
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Re: Balancer fit

Post  Frank Merkl on February 9th 2018, 4:36 pm

damper would weld on the the converter snout would weld in the back of the crank ! 52% over balance fixed it
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Re: Balancer fit

Post  dfree383 on February 9th 2018, 4:42 pm

Micro welding because of vibration
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Re: Balancer fit

Post  BOSS 429 on February 9th 2018, 10:44 pm

JACKAZZFLATZ wrote:what would cause a balancer to weld itself onto the crank ??? fit was .0005" press. used never-sieze, and installed with a tool.
on a previous build, the balancer welded itself onto the crank, that fit was .001 press. actually hadda cut that one off.
the engine is a 4-1/2" stroke, is there too much goin on here ?



detonation, just by chance was the dampener bolt kinda loose instead of tq'ed ?
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Re: Balancer fit

Post  JACKAZZFLATZ on February 13th 2018, 9:25 pm

dampner bolt was torqued to 115 #ft. BakerEng will overbalance @ 52%. thankx for the help youse guys.
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Re: Balancer fit

Post  Frank Merkl on February 13th 2018, 11:00 pm

we spin our 600 inch to 9300 and the 712 gets shifted at 88-9000
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