After looking at the info from others I decided to make the same change. My car is a track only car. It had a stock 1982 cis 3.0 SC engine. It has Bursch 1 5/8's headers and Supertrapp mufflers. I had the stock cams replaced with the 2021 cams and the cis with 46mm PMO's. Here is the before and after dyno overlay(same dyno different day). The blue line is the before and the red line is after the change. The car has stock cis pistons and cylinders. We still have some minor tuning to do but you can get the idea of what this change is all about. It is running a little rich in some areas now but we've got some new jets coming from the folks at PMO. The results are pretty much what others have posted with similar mods. You can see why people want to run this engine in the higher rev region.
03-21-2009, 09:00 AM
Blue Meanie
Hers
