[s-cars] Engine completey hosed

[Calvin Craig]

Dave,

Is it possible that the headgasket breached between two cylinders thereby
allowing the flame front to travel from one cylinder to another.  This would
explain the "detonation" because one cylinder would see it as a
pre-detonation event.  I could see how doing that for 700 miles would cause
a problem.  That's the best hair-brained theory I could muster.  Sorry that
this happened to you.  It reminds me of my first engine rebuild I did when I
was 17 and the engine let go when I was 18.  The stupid oil pump bolt had
backed out and I wasn't running an oil pressure gauge.  So I would have
easily been able to fix it in time for just the price of an oil pan gasket
but instead I ruined all the bearings.

--Calvin


-----Original Message-----
From: s-car-list-bounces at audifans.com
[mailto:s-car-list-bounces at audifans.com]On Behalf Of djdawson2 at aol.com
Sent: Saturday, January 17, 2009 11:50 PM
To: forgied at shaw.ca; s-car-list at audifans.com
Subject: Re: [s-cars] Engine completey hosed



 Holy smokes... that guy's is WAY worse than mine.? Mine is a very small
"line" between 4 and 5.? I'd like to see his pistons, and I'd like to know
why it happened at all.? The headgasket doesn't bother me... it's what
happened to the pistons that makes me scratch my head.

FWIW... it was an all metal headgasket, and I did use ARP studs.

Dave







-----Original Message-----
From: David Forgie <forgied at shaw.ca>
To: s-car-list <s-car-list at audifans.com>
Cc: djdawson2 at aol.com
Sent: Sat, 17 Jan 2009 8:06 pm
Subject: [s-cars] Engine completey hosed










Dave: Sorry for your loss.? Such failures are NOT uncommon, e.g.:


?


http://forums.audiworld.com/s4s6/msgs/253448.phtml


?


The problem could be a metal/paper headgasket (instead of the later all
metal gasket) or


it could be stretched OE head bolts (I sure Hap will chime in on that
note).? High boost


engines probably need an all metal head gasket and ARP head studs and nuts.


?


But that is just an opinion.


?


Dave F.





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