Suffering a bit from potential shipwrights disease. I just removed the
intake and exhaust in order to have my exhaust header ceramic coated.
Since it is such a pain in the butt to remove and install the header I
got to thinking about having the combustion chambers coated with a
thermal barrier. The engine is a '73 TR6 with about a 9.3:1 CR, S2 cam
grind and triple Webers. Engine has about 20K miles on it since a
complete rebuild and otherwise there is no reason to open it up
internally.
Reason - the car has have been suffering from dieseling the past few
seasons. I radiused all the edges after the head was milled and I did
not have any problems running on 87 octane the first few years. Now it
still diesels some on 89 octane (last summer 89 octane peaked at about
$2.30 here in the Detroit area - reformulated summer blend gas and a
ruptured gas pipeline created a shortage - and yes I know those of you
on the other side of the big pond are paying much more). I am assuming
that a large part of the problem is carbon build up. I had intended to
squirt water into the engine to blast off the carbon but winter arrived
suddenly and furiously last fall and I never got around to it. Down
side to getting the combustion chambers ceramic coated (aside from the
financial one) is that my car will be off of the road at least an
additional 2 weeks (end of April instead of mid April) till I can find
the time to reassemble.
Thought and experiences from the list, costs to have this done?
Patiently awaiting your responses in digest mode.
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