Now that I have my car running, I am seeing about half the vaccum I used to see at idle NA. Is it possible I have something hooked up wrong?
Here is what it's set up like:
Jason
USACi =>146.9db
14.88 @ 90.73MPH =>GM Charger, Motor Mounts, Catback exhaust
Thanks Ron
Jason
USACi =>146.9db
14.88 @ 90.73MPH =>GM Charger, Motor Mounts, Catback exhaust
A lot of people just T their boost gauge into the FPR
I was a retard, and now I'm permanently banned.
It really shouldn't matter though, and certainly shouldn't affect the vacuum.
What readings are you getting now, and what were you getting before?
A couple days ago, I suddenly had a huge drop in vacuum. Wasn't going much more than 5 inHg. Turned out that my line had split where I stretched it over too large a fitting.
If you've got a small split or hole or something, it could do the same thing on a lesser scale.
As for the tee over the FPR... mine looks ugly as sin.
Still thinking about relocating it over to where the MAP sensor is.
you've got a vacuum leak. Check all the tee's and connections one by one till you find where its slipping out. I had the same problem, when i raised my boost pressure i kept loosing more and more vacuum til finally i was running like 4 vacuum. Turned out the connection to my blow off valve was leaking.
Well, moving the Boost gauge to the other side had no effect. And I could not find a leak. Is there anyway to help search for a leak? Any other possible things it could be?
Right now it shows around 10-12inHg at idle, before NA it would be at about 20inHg.
Jason
USACi =>146.9db
14.88 @ 90.73MPH =>GM Charger, Motor Mounts, Catback exhaust
Shifted wrote:Boost gauge should be on the other side of the manifold, in the same line as the FMU and FPR.
How do you figure? Assuming both ports he is using are comming off of the intake manifold and not the throttle body they should boost provide the exact same boost / vacuum readings.
- 93 mph in the 1/8 mile
Member of J-Body Of Michigan.
eh, i had the same problem. happend twice now. somehow i think the battery was leaking or something and it was dripping on the boost line causeing it to get a hole lol.......dont worry battery is replaced, and then after fixing that i shut it in the hood on accident and split it open. now i just have wire loom on it to make sure nothing happens to it, still works fine now lol......i would check for a leak again, making sure its not creased anywhere, maybe the line got split like mine. idk , could be a couple of things......make sure your using teflon tape around the 't's and such, otherwise that might be where your losing vac.......ionno tho
2000 Camaro V6.
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