vacuum at idle question
#1
vacuum at idle question
i have a 2004 mustang gt with a built engine installed. its got a MMR 4.75 shortblock with 9.0:1 compression, MHS stage 2 ported heads, CMS stage 3 blower cams, vortech v1 s-trim and all the supporting mods. my question is, what should my vacuum be at idle? i was looking at my gauge today at at 900rpms (idle) my gauge is reading around 10-11 vacuum. does that sound about right? thank you for yalls input.
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