5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

vacuum numbers?

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Old 09-04-2011, 09:26 AM
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ttocs
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Default vacuum numbers?

what is the normal operating range of our vacline? What is the upper/lower limits I need to be aware of and stay out of? I am making custom gauge faces for my plx designs multi gauge and need to know these numbers before I can make them. Thanks
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Old 09-04-2011, 10:32 AM
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Canary94GT
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depends on your mods, but most engines should be around 17-22" during idle, drop to around 0" under WOT and go up to I'd say 30" max when let off the gas
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Old 09-04-2011, 10:47 AM
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ttocs
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lighting maf, anderson power pipe, ported cobra upper/lower, trickflow 170's, stage 1 cam, 1.6 rollers, bbk headers, magnaflow high-flow catted x, dynomax side exhaust.

Thanks.
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Old 09-04-2011, 11:09 AM
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AdderMk2
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you can never have too much vac. but if your car pulls less than ~14", youve got an issue
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