TooFast
15+ Year Contributor
- 47
- 0
- Aug 18, 2006
-
Omaha,
Nebraska
I just installed a 75 wet shot on the 420A. It seems to be lightly surging. Also I noticed that when I purge the purge seems to surge as well. Is it supposed to do this? Does anybody have a part number for a good spark plug I should run? I am runnung stock Denso's now

