Originally Posted by
22Racer
Race tune for Arrow engine
To all Arrow Engine users. Here is the tuning which we found to be close to what you might need.
Low Speed Needle: From Flush >> 1/2 Turn in.
Mid Speed Needle: From Flush >> 1 1/2 Turn Out.
High Speed Needle: From Flush >> 1 3/4 Turn in.
I tried these settings Danny posted a link to, ran awesome.
Rex
Really glad I read your post. I started the break in on the box and then on the ground running in a few figure of eights. The problem was that if kept on cutting.
Started with flush needles at 2 o'clock and it kept on cutting. Thought it was to rich and started to lean the high and low needles, but still cut. Tried a nova carb, but still the same. I then read your post about the mid needle setting and put it
1 1/2 out from flush. I set the high and low needles to your settings also. All I can say is what a difference. Very strong performance, good temps and no cuts.
Has anyone else tried this on the mid needle? Most people say flush 2 o'clock, but this did not work for me.