25-05-2019, 06:13 PM
Ian Williams, you might just be lucky, as well as a good assembler of A7 engines. The number of times that I've read about 37 heads fouling plugs, together with my own experiences and those of my father, lead me to suggest that the plug position is, shall we say, marginal.
What is true is that A7 blocks varied in quality, and some no doubt could be bored to be less oil-burning than others. What has always puzzled me is why Austins, having got it almost right with the unblown Ulster and Nippy heads, didn't keep the plug in a similar position on the 37.
What is true is that A7 blocks varied in quality, and some no doubt could be bored to be less oil-burning than others. What has always puzzled me is why Austins, having got it almost right with the unblown Ulster and Nippy heads, didn't keep the plug in a similar position on the 37.