Best Answer Curley , 23 November 2014 - 12:22 AM
Evening Mini fans, I thought I'd spent a few minutes and let you know how I got on.
In the end I got the head converted to unleaded, refitted with a new BK450 and so far so good. Dry tests are within 10 psi of each other - which I've taken as a good sign. The engine sounds a lot smoother, there is less valve train noise and it's much happier to be rev'd.
The only down side is you can now hear the worn alternator rattle on idle 
Speeding Along Now
Posted 23 November 2014 - 12:22 AM Best Answer
Evening Mini fans, I thought I'd spent a few minutes and let you know how I got on.
In the end I got the head converted to unleaded, refitted with a new BK450 and so far so good. Dry tests are within 10 psi of each other - which I've taken as a good sign. The engine sounds a lot smoother, there is less valve train noise and it's much happier to be rev'd.
The only down side is you can now hear the worn alternator rattle on idle
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