Race Cam selection

[1795]

Ed,

It happens to all of us. Heck, you are on here replying to so many different threads it's hard to keep them all straight.

I was just on the phone with Jim Inglese, as I have to get new base gaskets for the carbs as we had to do some porting and machining on the intake manifold. Part of the discussion centered around the difference between doing a dyno tune on a stand versus a chassis dyno comparing street/performance engines versus race as it relates to the proper air/fuel mixture. For a street engine, especially on a dyno stand, as soon as you get to WOT and the power start to drop, the engine is shut down and the air/fuel ratio is examined. For a race engine you have to run it at WOT for a longer time and preferably under load because that is how a race engine is run. On the track I may be at WOT for 30 seconds or more depending on the track situation before braking, downshifting and then right back to WOT. It's a lot easier to get to a lean situation if actual race simulation is not tested.

Again, thanks a lot for your thoughts and input. Since retiring I do not get all of the mental stimulation that I need. This research is providing some of that.

Jim