Posted by 74merc (IP: 207.157.60.18) on June 24, 2000 at 16:35:31:
In Reply to: Re: 2bbl & 4bbl are rated using different standards... posted by TBR on June 23, 2000 at 00:35:32:
one of them, air pressure measured by mercury, the other measured by water or something... Can't remember, I'll see if I can find out... but yea, I'm almost positive it is different...
: ...I'll have to do some digging, I read several years ago & can't remember if it was a tech article or one of my old catalogs;-)
: : don't think so.Would like to see the formula for that info.
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: :
: : : ...for example, A 500cfm rating for each is done at different vaccuum levels, therefore they don't compare exactly;-)