[Healeys] Decarbonizing technique?
Peter Ryner
pryner at verizon.net
Fri Dec 18 05:58:57 MST 2009
I had an uncle who always bought used cars and the first thing he did was to
put a quart of "top oil" in a full tank of gas to clean the engine. Worked
fine until he bought a car with a large amount of carbon build up. Just
like someone else pointed out - the carbon broke loose in chunks and broke
several valves. The engine had to be totally rebuilt.
If there is a chance of having large carbon deposits in the engine I would
recommend pulling the head and cleaning mechanically. When parts were
inexpensive and plentiful it may have made sense to take a chance. Times
have changed and our engines are too valuable to try a quick fix for a sick
engine.
To keep the carbon down use the car like it was intended - drive it!
My $.02
Pete
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