Originally Posted by
Jaz240
These guys dont race at my home track..The RE-12 is similar to the 9901 and the 9901 sucked on my track..Our home track is 125x250' with a 230' WOT straight..I would trade the extra pit stop for a pipe that gives this engine balls..Grannies with walkers were passing me on the back straight

9901 is meant for a long stroke motor not gonna help you, you need a 2050,2060, re10,re11,053 dyna or ofna, 086 dyna or ofna, your teying to run a long stroke pipe on a short stroke motor it is not gonna work