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05-30-2014
I have seen on a couple of threads (cant seem to find them now) that your vacuum at idle should be around -20 -21. Is this correct? Im running 1.9rockers, headers, 3.4 pulley, zzp tune, al103's, 180tstat and fwi and only seeing around -10 at idle. 98gtp. Im still getting kr but its not consistant. one day it will be under .5* next day it will be around 3*. When im scanning im doing this at op temp. Just trying to figure out if theres a leak causing me to run lean. thanks in advance
05-30-2014
-10 is likely pounds, whereas -20 is Hg's.
05-30-2014
Ok I will see what it's reading it in thanks edit: it's in lbs
12-11-2014
Hollas did you get your lean condition resolved?
I have one right now. Seeing 16+ LTFT super lean at idle. I have an xp cam and I see about -7.5PSI vacuum at idle. When i convert this to in/Hg i get about -15.
What should my vacuum be at idle with an XP cam?
Thank you
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