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What is word from on high in regard to vacuum tuning?

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  • #16
    You have removed vacuum hose from regulator when checking psi ?
    Don't get too caught up in the numbers.
    Just give the Engine what it wants &
    Let the numbers be what they are.

    Jim McFarland....

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    • #17
      I did not for the first reading. Pinched the hose and the reading was 56psi. Seems to be running better now but also adjusting the fuel, by temp range, when the throttle is pressed in. That has helped stalling. I have had to increase the short fuel trip up pretty high, +17, for most of the temp based settings to get fuel trim to hover close to zero.

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