Originally Posted by TomB

hmmm. as i was breaking in my engine i found i had the same problem, and even after break in it did the same thing. i put myt issues down to the fact i was using a number 6 LRP plug, wereas with my os v spec i used a OS number 3.

try your plug, and go to a hotter one (at your own risk of course!, make sure the plug is suitable to the ambient conditions).

i found when i was waiting on the line of the start of a race the car bogged down by a hell of alot. Again though the engine was new, but i will be attempting to tune it this week, and get back to you and report if i have similar issues.

i will be sealing up the car boot (or buying a OS .21 boot and also sealing up, just to be sure) and i will use a number 3 OS plug. as opposed to your issues, once my engine got going it seemed fine, but did sound rather eratic going off jumps, but i put this down to a new engine and a bad tune but who knows. my engine is also still very tight, so i was putting down the tune issues to the fact the engine was new. is your engine still ocking up on the box?