Originally Posted by
Bundy_Bear
TomB:
The engine is a new STS and is still rich on HSN, i did try it in my Picco which i have been running for a while and it played up as well.
I might try some of fuel i was using to rule out an airleak.
Thanks
Andrew
good idea, keep in mind your old engines will be tuned to your old fuel so they may run fine. Engine's are not that tricky to tune, unless you are really out of the ball park.
make sure your fuel line isn't too short from pipe to tank. make line 1.5 times longer than pipe tip to header edge.