Small Valve 1275Cc Head
Posted 04 January 2019 - 07:42 PM
Have read that it delivers 60bhp and not 72bhp due to the head having smaller size valves.
Is it just a case of changing the head only to bring the bhp up to 72bhp ??
Posted 04 January 2019 - 11:39 PM
You won't see 12hp just from fitting a 35.6mm inlet valve.
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