aka Nova Joe
I put a pump on my car (Mr. Gasket Sportsman) and I'm scratching my head a little. I got the Aerospace regulator in my valve cover, and was just wondering which way builds more vacuum, threading it in or out? It didn't come with any instructions or anything. I got 3" at idle, 8" at ~2500rpm cruising, but I still only have 8" at WOT...When I cross the finishline as soon as I take my foot off the throttle it jumps up to 11"/12" then goes back down ...Never had a pump before, so I'm not sure..But I would think it would pull more at WOT and go down when I let off...no?