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Balancer Size Question - SBC

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3.2K views 1 reply 2 participants last post by  richard stewart 3rd  
#1 ·
What size balancer/dampener should I run on the following motor? It is going into a 58 Chevy pickup for daily use.

SBC 350 +.030 with flat tops
Forged crank
Crane cam #100052
Short water pump
487 Heads

This motor did not have a balancer when I picked it up. I have seen 6.75" ones used primarily on long water pump applications it seems. I am running a short style edelbrock pump.

Should I go with an 8" unit or does it really make any difference?

I am looking at the Summit brand units - any issues known about them?
 
R
#2 ·
Hi,
The 8" is the most popular, theory is larger balancer =s more mass able to absorb/dampen harmonics better,
the smaller ones I think were for clearance problems, I don't think it's size that matters as much as the construction.
Can't comment on summits stuff, never tried them.
Rich
 
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