How do you fix a Loaded Mode GPM Failure, Snap on portable Dyno!

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Posted to Emissions Forum on 6/30/2001 1 Reply

Here in MASS we do a BAR 31 test on a State dyno and the readings are in GPM. I got one of the first Snap on SPA 5 gas bench's that ran in DOS it worked but it was like watching paint dry. Than came the window up grade very nice but it was like watching glossy... Login to read more.

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