Thinking about runnin a vacuum pump? Anyone have any thoughts. Been researchin a lot and can't decide if I want to try it. Through talkin to couple of the manufacturers looks to gain anywhere from 20 to 30 horse on my 388 were building. I know ya need the right rings to make this work and since building new motor then no problem. Rules don't say anything about them, I just don't see anyone running one. What y'all think?
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