head gaskets

Bruce Plecan nacelp at bright.net
Fri Nov 10 15:14:18 GMT 2000



One time limited offer:
Post the timing table of what you were running, and I'll have Doc study it
for a while, and repost it with his SUGGESTIONS.
For others might be a courtesy if you did the stock one.
Maybe this would be a little better then trying to verbalize things.
    Need to know idle and light cruise MAP readings
Bruce





> 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.

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