metric redaing
12-22-01, 04:27 AM
#1
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metric redaing
Does anybody know the metric vacuum conversion to inches?
I forgot what the formula was. As you all know the Japan boost/vacuum gauge are all in metric .
I forgot what the formula was. As you all know the Japan boost/vacuum gauge are all in metric .
12-22-01, 06:24 AM
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This thread and answer by *IRV* http://www.rx7forum.com/showthread.p...threadid=16779
12-23-01, 04:51 AM
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1cm = .3937in and http://www.flowmeter-calibration.com....html#pressure and put 300 where it says mm/hg and get 11.81 in/hg. And I just noticed if you use that conversion table and put in say 300mm/hg and hit *convert*, that over there on the far left where it says *psi*, that it reads 5.8 which coincides with Irv's table. We're double checking your figures, Irv!
Last edited by HAILERS; 12-23-01 at 05:08 AM.
12-23-01, 01:59 PM
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Originally posted by IWNTA20B
Ahh....cool. Thanks Hailers.
Ahh....cool. Thanks Hailers.
Most Japan gauges run kg/mm^2 in boost.  To convert to psi, multiply by 14.2 - 1.0kg/.mm^2 = 14.2psi.
-Ted
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