Thanks for the clarification! However, I don't have stock manifolds, I have the tweaked Needswings manifolds. So, I still don't now if it's clearly beneficial to upgrade. I DON"T want to irritate you or anyone else. I'm very very grateful for your contributions to this great car.
Originally Posted by
waldig
I cant see a gain OVER THE PROTOTYPE MANIFOLDS I MADE YEARS BACK. There is at least 20 hp gain over stock intakes. Please understand my " old " manifolds were the first crossover manifolds. Please review the photos. Woody