Just a short note to Frits re the KZ class engines.
We have a blind on rails down each side of the main radiator , and with this in place the red warning light for 40*C comes on after about two racing laps so cooling on the grid isnt an issue.
Also if you rev a KZ on the stand there is a slight discernible vibration in the chassis ( pedals ) under 6000 rpm.
Above that level ( racing rpm ) there are no vibes to speak of at all.
At the 58 % balance factor most of these engines have - a balance shaft violates KISS for no reason ( or Occams Razor as I learnt just recently ).
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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