have a 80541 650 hp carb, what jet sizes would be good starting point?
It all depends what fuel your running. Could be anywhere from 68 to 80
92 Pump clear
I would start with 73 all the way around. I run a high banked 5/8 track and find that on pump gas a little more jet keeps the engine cooler on the long straights. if you run a real short track you could prob go down to around 71.
Not to hyjack the thread but with the 650 HP do you leave the drilled throttle plates on it? Also do you leave both power valves at a 65?
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