Just Yesterday I was running a 280 main 25 pilot and needle position was #4 on the toomey needle.. I did a plug chop, swap the plugs, drove home and cut them open... They were perfect! Text book Perfect 2mm brown ringed beuaties.. Airbox lid was off running a Single K&N filter.
Today i just got done installing my Noss Head w/20cc Domes, installed the K&N pods.. I jetted to 330 main 27.5 pilot and left the needle on position #4. Since Compression was 161 (both Cylinders) i put in 100 octane w/ 32:1 Klotz Techniplate.
After my plug chop a few hours ago.. Followed the chop procedure to a T. When i pulled my plugs i noticed the ground strap (the part you bend when gapping) was a white and a little ashy. After cutting the plug open a saw a .5mm very light almost unnoticable ring.
So i know i am lean, but being perfect with a 280 jet one day and then adding pods and a coolhead the next day. Then jetting up to a 330 main after these 2 mods sounds like a huge step... now i'm guessing to go to a 350-360 main, plug chop and see what they look like..
Im am not new to jetting, but i am new to banshees and the carb setup, and exactly where i should start..
Any suggestions? Mods below..
2020 Altitude
65 degrees
Toomey T5's
Vforce 3 reeds
Wiseco Pro lite bored .020 1 1/2 hours on top end
Noss Coolhead 20cc Domes 161 comp
100 octane fuel klotz techniplate 32:1
Dual K&N pods on stock carbs
Toomey Needles on the 4th position
+4 Timing
thanks in advance