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-   -   b21f+t boost gauge? (https://forums.turbobricks.com/showthread.php?t=355071)

makebrickgovroom 05-22-2020 04:29 PM

b21f+t boost gauge?
 
Hey! Just finished up +t'ing my b21f(-t). I have some cheapy harbor freight boost gauge that I wanna hook up, but I haven't been able to crack it. I teed off a smaller vacuum line on the intake manifold (b21f), got good vacuum readings, but on boost it won't actually read any positive pressure. Should I tee off a line from the distributor? Or what's ideal?

Thanks!

bobxyz 05-22-2020 06:47 PM

Try a bicycle pump to the gauge to make sure it's actually working, and somewhat accurate. Most anywhere off the intake manifold (on the manifold, not the throttle body before the butterfly) should show boost unless there is none (something leaking a lot). You're not teeing it off after the one-way valve for the hvac, are you?

makebrickgovroom 05-22-2020 07:52 PM

great ideas, thanks for the reply :) i double checked all my clamps and connections, turbo side is leak free, but i had a pretty significant leak at the coupling of my charge pipe and inter-cooler. ordered a new one, so we'll see what's up tomorrow!


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