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The needles are 0.125" neeedles. UV UM UE UL UO from lean to rich. I am running UE needles with an STR091 cam and ported head etc. The 2" carbs will not help the midrange power but will help the top end. my engine is quite driverable round town thanks to the fully mapped ING but the power comes in from 3500 rpm and keeps pulling up to the rev limit at 6800rpm in all gears
Paul thanks for that I`ll make it a starting point and if anyone else has ideas or can confirm then please get in touch, thanks again, this club forum continues to be helpful, I may have to join the club. Mark