<font size="2" face="Verdana, Arial">Was doing some reading in other Compact sites. Guess there was a balance issue, but only with a batch of the UDPs. They got it corrected. If you have them and the engine is not vibrating, you should be cool.Originally posted by CamsMach:
Clue me in, what were the problems with the Unorthodox Racing UPD's in the past?