> I don't think that the power gains (if there are any) with the spacers are > due to keeping the intake air cooler. I think the gains would be from > lengthening the intake runners. (I have no practical experience in the > matter, though.) We've used them on Hondas, and it does make a difference, both in regards to temps, and thus HP. Terry Heick Modern Sports Car Heick Resources ://www.se-r-list.org/FAQ/