Fine Tuning a 360 Magnum with a Brawler "Double Pumper"

jmanhoff said

Here’s a video of the vacuum gauge, pressing the throttle a little under half

Click to expand...

That tells you nothing. Nada. Zilch. Get the car up to cruise speed. 55 is a great speed. Keep it STEADY at 55 with your foot BARELY on the gas just enough to keep it at speed on a flat, level surface and then take your cruise vacuum reading and write it down so you don't forget.