Can someone please explain what these mean?

Cylinder head decoking?
Cylinder head gasket skimming?

Calling David Wallis, Pavlo, Andy F, etc..

Thanks,
Stefan

 

Decoking - removing carbon build up to reduce the chance of hotspots and detonation (and just pure flow if the 8 valve Integrale exhaust valve I recently saw is anything to go by!).

Skimming - removing a fine layer of metal to ensure a surface is flat and/or to raise compression. Not normally related to a gasket, but to the head or block itself.

I would have *thought* a turbo charged engine being driven healthily (ie; hard!) wouldn't suffer much from coking (but the Lancia valve made me wonder). I decoked my Mums Hillman Imp when I first passed my driving test - flat out in top (~90mph iirc), after a mile or so like this sparks started flying out the exhaust...a regular firework display. Strangely, the head gasket failed shortly afterwards

Richard

 

Thanks very much Richard.

Stefan

 

Sorry Stefan, I never even read this until it had bounced back to the top a few times and got me curious !!

Now if the title had been "50 bhp free" I may have been in sooner

Dowser to the rescue though

 

Thanks Andy.

[note to self]
bait any questions with getting extra horses for nothing and that'll get their attention.
[/note to self]

Stefan

 

nobody know?

or are you all just shy thesedays

[Edited by ozzy - 1/10/2003 10:28:32 AM]