i just installed a boosta gauge in my car, placed it in one of the vents.
what readings should i be seeing with the mods in the signature?
does anyone have something along these lines that they can report back?
i guess:
idle...
WOT...
highway 60-70mph cruise....
slow acceleration...

any help would be appreciated.

 

~15psi @ wot i guess

 

Yes with a 15% pulley at WOT on full load you should see about 15psi.

 

Idle - more or less -10 in Hg (Vaccum)

High load engine braking could go as low as -25 in Hg in vacuum, also an approximation.

Cruising depends on gear and conditions (such as slope) , but usually you are also in vacuum when cruising.

Slow acceleration is very broad and depends on a lot of things. Technically you could slowly accelerate while in vacuum all the way, but in day to day driving you will see some boost, usually below 10 and closer to 5 psi.

WOT is as already suggested, more or less 15 psi. I attached a cr@ppy picture of my boost gauge reading at WOT with a 15% pulley for reference at more or less 14.5 psi.

 

At maybe 500ft elevation and flat.
Agree on the 15psi as max.
At idle in the -15psi range
At cruise on the hwy ~72mph and a light load I get around -6psi
At slow accel it will be anywhere between the min and the max, depending on how slow you go.

 

hmmm...i think i have a leak somewhere....
i went and floored it to see just how much i can generate, went up to about 13ish i would day, and then BAM 5! now wont go past 5.
im gonna go recheck everything to see what just got unhooked where as i just installed it.
any more info is appreciated.
i used the install schematic here on the forum to install it.

 

Either a vaccum hose is loose / has a leak or your bypass valve failed. I would suspect the former, since its the most recent change. The latter would be a big coincidence and unlikely due to the stronger spring of the DT valve. Nevertheless its a possibility. Any codes?

 

yea it was a hose that came loose.
back to normal as everyone describes number wise...

thanks

 

just out of curiosity, which gauge did you use?

 

i had one laying around from my old car, i honestly dont know what brand it is, but its a mechanical so they all the same to me....its silver and grayish color w orange needle just like the stock cluster and rev counter so it matches nciely