How to tell if a motor is externally or internally balanced

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How to tell if a motor is externally or internally balanced Empty How to tell if a motor is externally or internally balanced

Post  capncruncher1965 on Sat Feb 03, 2018 10:25 am

Guys its a 545 stock block steel crank. Thats all we have and dont have a clue which flywheel or ballancer we need.thanks
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How to tell if a motor is externally or internally balanced Empty Re: How to tell if a motor is externally or internally balanced

Post  dfree383 on Sat Feb 03, 2018 12:07 pm

Pull the crank and have it spun?
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How to tell if a motor is externally or internally balanced Empty Thats not good

Post  capncruncher1965 on Sat Feb 03, 2018 1:27 pm

Motor is put together lol thanks for your reply any other suggestions
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How to tell if a motor is externally or internally balanced Empty Re: How to tell if a motor is externally or internally balanced

Post  dfree383 on Sat Feb 03, 2018 1:29 pm

Can ya ask who put it together what it is?

Odds are it's internal but not 100%
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Post  rmcomprandy on Sat Feb 03, 2018 2:30 pm

capncruncher1965 wrote:Motor is put together lol thanks for your reply any other suggestions

Without taking it apart and checking ... Pick one and install the components.
If it vibrates excessively ... it's the other.

you asked ... Wink

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How to tell if a motor is externally or internally balanced Empty Re: How to tell if a motor is externally or internally balanced

Post  BBFTorino on Sat Feb 03, 2018 4:57 pm

Do you know the manufacturer of the crank?? It should have a part number or some identifying character stamped on it somewhere.

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How to tell if a motor is externally or internally balanced Empty Dfree

Post  capncruncher1965 on Sat Feb 03, 2018 5:03 pm

My buddy just put it together thats when we looked at the flywheel that came with the motor it had weights on it.
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How to tell if a motor is externally or internally balanced Empty Scat crank ?

Post  capncruncher1965 on Sat Feb 03, 2018 5:05 pm

I think its a scat crank that what the strocker kit was. I know its steel
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How to tell if a motor is externally or internally balanced Empty Headache lol

Post  capncruncher1965 on Sat Feb 03, 2018 5:07 pm

Motor has been one headache after the other lol
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How to tell if a motor is externally or internally balanced Empty balance

Post  hbstang on Sun Feb 04, 2018 8:39 pm

i have an older 545 stoker engine and it is external balance withe the hatchet on the crank spacer and a weight on the flexplate.not sure what crank eagle or scat but it is a cast crank.
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How to tell if a motor is externally or internally balanced Empty No hatchet on crank

Post  capncruncher1965 on Sun Feb 04, 2018 10:48 pm

Thanks for replying guess we are going to have to pull the pan back off. Oh well thanks guys for your replys.
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How to tell if a motor is externally or internally balanced Empty Re: How to tell if a motor is externally or internally balanced

Post  Wayne Pearce on Mon Feb 05, 2018 10:20 am

If it's an externally balance stroker motor, wouldn't it still have the hatchet weight on the front of the crank?

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How to tell if a motor is externally or internally balanced Empty Re: How to tell if a motor is externally or internally balanced

Post  BBFTorino on Tue Feb 06, 2018 12:38 am

Wayne Pearce wrote:If it's an externally balance stroker motor, wouldn't it still have the hatchet weight on the front of the crank?

  Wayne SAWDOFF Pearce
Unless it got lost!!

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How to tell if a motor is externally or internally balanced Empty Re: How to tell if a motor is externally or internally balanced

Post  Wayne Pearce on Tue Feb 06, 2018 4:55 am

I assumed when the OP said the motor was together, it mean't it was all together - my mistake.

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How to tell if a motor is externally or internally balanced Empty Re: How to tell if a motor is externally or internally balanced

Post  dfree383 on Tue Feb 06, 2018 7:04 am

If it came with an external flywheel from wher you bought it I'd run it with it.

The balancer are zero with either, you will have a spacer with the hatchet if it's external.
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How to tell if a motor is externally or internally balanced Empty Its internally ballanced

Post  capncruncher1965 on Wed Feb 14, 2018 12:44 am

Pulled the pan its internally ballanced thanks guys for your help
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