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www.FAIRTAX.org
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Discussion Starter · #1 ·
I finally have my boost gauge hooked up and its working well. I was wondering what kind of vacuum readings you guys get. At idle I have about 21 which is normal since most people get 18-22. When I am driving and I back off the gas it will read almost 30. Is this also consistant with normal readings? I can't seem to find that info when I search. Thanks
 

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I used to see somewhere near 30 when I backed off the gas but then I lengthened the tube to my BOV and I can only hit like 24 or so now. Can't notice a difference.

Otherwise I also see around 20.
 

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Devil's Advocate
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1,158 Posts
18 all day long... 19 if I turn off my radio/amp. 24-26 under deceleration.
 

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Devil's Advocate
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Cams will do it.
 

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70/30 Racing
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ThomasSr20 said:
My timing is in the middle and i have JWT cam gear.
you should adv the exhaust and ret the intake, it will help spool up and help lower EGTs, etc. less reversion from turbine backpressure that way. just be careful with the cam timing, i ALWAYS reset mine so the timing marks and colored links line up, that way there are NO ****ups.
 
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