Porting

Andrew F. Gunnesch afgun at mongoose.dearborn.sgi.com
Thu Mar 12 18:56:44 GMT 1998


On Mar 12, 12:15pm, lkurek at smtpgate.anl.gov wrote:
> Subject: Re[2]: Porting
>
>      This is getting a bit off topic....but....
>
>      More surface area=more potential heat spots=more detonation potential
>      This is especially tru with iron heads, not as much with aluminum
>      ones. FWIW, I wouldn't take too much off the stock chambers in ANY
>      production GM head. They are pretty damn thin to begin with, and any
>      serious opening procedure will weaken them further....not good.

I would think that with a good port and polish job, you'd be able to
reduce the tendency for detonation by thoroughly polishing your chambers,
leaving fewer edges and ridges for combustion byproducts to collect on
and heat up.  Comments?



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