The Original 355 took a hit.

Bruce Plecan nacelp at bright.net
Sun Jan 28 14:52:14 GMT 2001



Just old generic Felpros (circa 1992).
I tend to stay with easy to find replacements.  Thou, I'd appreciate any
ideas you have.
Bruce



> Bruce,
> Just wondering, what/whose head gaskets were used on this engine?
> BobR.
> Bruce Plecan wrote:
> > From: "Dave Zug" <dzug at delanet.com>
> > > We can rebuilt it... we have the technology..
> > > Better, Stronger, Faster.
 > At this stage, it's just seeing how far it will go.
> > Also, bare in mind the lil guys used the FBod for parts chasing.
> > > The standard abrasives doc (on street level head portintg) is a nice
> > > document, if you have not seen it... I can't imagine you have not, but
on
> > > the topic of DIY, its directed to others.
> > > http://www.sa-motorsports.com/diyport.htm
> > It's almost funny that people make money off of pocket porting.
> > GM has the shape about right, and if you just clean up the production
part
> > of things usually have a decent head.  generally the short side radius
is
> > poor just from coring, and little errors in initially locating the
> > machining.  Taking the sholder of off the valve guide is another quick
gain.
> > The trick is really knowing when to stop.
> > you can do too many  good things and wind up with a lousier then stock
head.
> > Gotta repeat after just knocking the edges of off the chambers is a real
> > winner.
 > > I'm lookin for "donor" (don't read: donated) parts for the budget 400
TPI
> > > project, if anything fell off that aint goin back on .. like those
heads
> > ;-)
> >
> > These are the first gen D port AL vette ones.
> > For the money would be hard to beat, thou some of the new iron ones
sound
> > like fun.
> >
> > Was loooking thru some other heads at a friends shop.  The Edelbrock
RPMs
> > seemed to have things well in hand for someone not wanting to get gritty
> > with grinding.
> >
> > > PS (Thanks, I'll stop thrashing my car in 20 degrees now - you may
have
> > just
> > > saved me $4k)
> >
> > Just back the timing up a few degrees.
> > I peeked at some gm S/C MAT tables and they danced the timing around 10
> > degrees from cold to hot vs Airflow.
> >
> > I think, I'm going to use something like
> >
> > 50-70dF as being the 0 correction area,
> > Then 70-90 add 2
> > 100+ a total of 3
> > 30-50dF  2 less
> > single digit to 30s 4 less
> > there I said it <g>
> > Bruce


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