its a bank of manometers and a vacuum source . as long as its vacuum is consistent and repeatable. then it should be fine...all you are doing is measuring the change from before and after mods. unless you are looking to pull for sonic choke or specific fps air speeds that are greater than the vacuum the machine is capable of . or volume. then its a capable tool...
365" Iron J heads,,3480lbs best 1.39 60ft on SS springs.10.54,124 mph ...6.67 1/8th et.average 60fts 1.46 w/ small cam &.063 no2 pill tagged & insured [image][/image]
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