Thanks Guys..you gave a wide variety of opinions..!!
If the pressure is 48 psi at idle with 20 " Vacuum, they do idle surprisingly well.. I wonder why we ween to think anything under 60 psi is not enough for an engine to operate..?? I know there would not be much "power", seems that is where we seem to draw the line..!!
Fuel would certainly vaporize better in a cylinder with a moderately high vacuum...
Then, we get to a Diesel that runs at FULL compression all the time and has metered fuel, to idle...exactly the opposite of a gas engine (more or less)...!!
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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