Blairs 500 single was hamstrung by super conservative design elements.
A square Exhaust port - parallel header - 120mm skinny pipe etc.
This then results in very low dynamic compression, and with the low bmep generated , peak combustion efficiency was only gained with a ton of advance.
Modern race engines generate double the bmep , and all end up needing around 15* advance at peak power.
Ive got a thing thats unique and new.To prove it I'll have the last laugh on you.Cause instead of one head I got two.And you know two heads are better than one.
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