head gaskets

[Darryl & Karen Smith]

I'm assuming short 400 rods.  That would increase the tendancy toward
detonation and require a bit less timing.
----- Original Message -----
From: <KasaRyan at aol.com>
To: <gmecm at diy-efi.org>
Sent: Friday, November 10, 2000 8:43 AM
Subject: head gaskets


> Well, i tore into my engine the other day, some of the center head bolts
were
> slightly loose, but #7 was the one that was getting water into it.  When I
> pulled the head, the fel-pro 1010 gasket fire ring had pulled away from
the
> material and into the bore on #7, and the #1 looked the same way.  I took
it
> to a trusted engine builder, he took one look and said detonation.  I
asked
> him if I really needed to retorque and he said not with modern gaskets,
just
> racers using copper.  That's a good thing as I am using roller rockers
that
> are too wide to allow access to the head bolts without taking them off.
He
> did sell me some felpro 1003 gaskets for way too much.  He said 40-55-70
was
> the torque sequence.  I got home and took the other head off and the
gasket
> looked just as bad as the other one, although the bolts were all still
tight.
> And nothing was leaking - yet.  I took everything apart, cleaned it all
up,
> checked for any grooving in the heads, and put it together.  I suppose I
will
> set my valves and reassemble today.
>
> I am going to take edelbrock's advice and re-burn the chip with the
factory
> timing and run 8 deg initial.  This is less than I was running and much
less
> than the howell chip had before I started messing around.  I drove about
> 10,000 miles on a chip with 36 total and more at cruise.  So I guess you
can
> all learn now - you can have detonation without knock.  Knock is reeeelly
bad
> detonation.  And I'm pretty sure you don't want to experiment with using
> cheap gas and burning a chip for same.  I think that's what did me in more
> than anything.
>
> Thanks for listening to my electroyappin!
> Ryan Hampl - a K-State Grad!    kasaryan at aol.com
> 139 Hoover Ct.                  Controls Engineer (tubes rule!)
> Salina, KS  67401               97 B12 / 86 V65 / 93chevy truck EFI 383
> phone  (785) 825 5831           I'M ALWAYS FIRST TO THE GROCERY STORE!
> http://hometown.aol.com/kasaryan/myhomepage/hotspot.html
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