Congrats on your web site. Eye turning stuff and well layed out factual information. Found your web site before finding this site.Turbocharging your existing engine will be difficult, the standard ECU will be no use whatsoever, and running forced induction and injection on a siamese head will be a nightmare. I know people who have tried and seen very little gain, if any, over a carb. And the work/time and money spent doesn't bear thinking about.
Granted, when properly done injection is far superior to a carb, but on our engine with a 5 port head the good old SU takes some beating.
On a 7 or 8 port head things would be much different ....................if you can prove the age of the engine then the emissions test is for the age of the engine not the car
As far as i know this is true, so get yourself to the scrapyard and find a low mileage 1275 metro engine and Turbocharge that.
Phil.
Hat off to you sir.