Re: new piston prep

["James J." <m1garand@speakeasy.net>]

I don't think it can hurt, as it is sharp thin areas that often cause 
pre-ignition (and cracks), but see what your mechanic thinks.
James J.


CraigFaubel@aol.com wrote:

> I just got a set of new Speed Pro hypereutectic pistons for my 302, and I 
> notice they have very sharp edges where the valve relief meets the top corner of 
> the rim of the piston.  It seems odd to have sharp metal exposed to the 
> combustion.  Should this be rounded before I take them to the balance guy?  Any 
> advice??
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