Get yourself a copy of the Competition Preparation manual. It has specific
information on head modifications. If you don't know where
to get one, Ted Schumacher sells them. They are not very expensive (something
like 15 bucks US) and well worth the cost.
Vic Whitmore wrote:
> If you have ported and polished your head (1500 engine) yourself, I would like
> to hear of your experience and helpful hints you can add. Where and how much
> material did you grind on the intake ports? Any problems?
> I have read the Standard Abrasives guide to Porting and Polishing which is
> good but is not specific to the Spitfire/Midget 1500 engine.
> Vic Whitmore
> 76 Spitfire
> Thornhill, Ontario