Opinions on crankshaft damper choice/size? - Team Camaro Tech
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post #1 of 7 (permalink) Old Mar 5th, 10, 09:57 AM Thread Starter
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Opinions on crankshaft damper choice/size?

I would like to hear some oppinions on running a small 6 1/4" factory style harmonic damper/ballancer on a 350 Vs the larger 8".

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post #2 of 7 (permalink) Old Mar 5th, 10, 10:18 AM
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Re: Oppinions on crankshaft damper choice/size?

For strickly competition or for street use ???

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post #3 of 7 (permalink) Old Mar 5th, 10, 04:54 PM Thread Starter
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Re: Opinions on crankshaft damper choice/size?

90% street.

A few builders tell me they always run the small piece and havnt noticed any visual signs of harm after rebuild/inspection.

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post #4 of 7 (permalink) Old Mar 5th, 10, 06:32 PM
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Re: Opinions on crankshaft damper choice/size?

With a smaller balancer, the engine revs faster.
Less mass to accelerate.

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post #5 of 7 (permalink) Old Mar 5th, 10, 06:41 PM
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Re: Opinions on crankshaft damper choice/size?

My 355 has always had a 6-3/4" on it. I've got a perfect Professional Products degreed one I took off while trying to troubleshoot a vibration if you want it.

An 8" won't fit on mine unless I drop the sway bar down and I have the correct stands/mounts.

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post #6 of 7 (permalink) Old Mar 5th, 10, 07:06 PM
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Re: Opinions on crankshaft damper choice/size?

Quote:
Originally Posted by Jeremiah View Post
90% street.

A few builders tell me they always run the small piece and havnt noticed any visual signs of harm after rebuild/inspection.
The choice is up to you.
For longevity I would default to the larger unit for the street.
But, if running an Auto trans it is really pretty moot - the converter acts like a huge damper itself ...

I have seen bearing marking from crank dynamics on small journal, small damper engines in the past.
Haven't torn one down in quite a while with problems, but didn't attribute it solely to them having a large dia. damper really ...

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post #7 of 7 (permalink) Old Mar 6th, 10, 10:06 AM Thread Starter
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Re: Opinions on crankshaft damper choice/size?

Quote:
Originally Posted by Vintage 68 View Post
But, if running an Auto trans it is really pretty moot - the converter acts like a huge damper itself
Yes, it is an auto equiped car... never thought of that but makes perfect sense.

Thanks guys!

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