Sunday, 25 March 2012

The R20 Imp race camshaft on a series 108 cylinder head

Setting the R 20 up requires that the number one inlet valve opens at the cranks TDC 0.113" give or take 0.002" either way, note the dial gauge to allow this to be set.


The 108 series head is on a 998cc cylinder block.



The parts are all re manufactured, or in the case of the camshaft carrier a new item, only the Sport cylinder head is original, circa 1967/8?

Roy


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