Got The car running...have a few problems.
The FP gauge worked for about a 10 minute drive, and lots of idle time. But now its only reading like anywhere from 23-27psi while cruising? Its set at 50psi btw. I really dont think it could be the pump that went bad, because it idles fine at that low of prussure. Is it possible for our cars to even run on 23psi of fuel pressure? And from day one the boost gauge hasnt read vacum what so ever. It will read boost when I blow into the line with a air compressor. But dont know if it is working from the source its hooked up to, becuase I havent gotten into boost yet. I have it refrencing from a vacum block that is connected to the EVAP port. I was under the impression this would work? Do I need to move it to the brake booster line like everyone else is doing?
I have installed a 3 bar map sensor, and converted it over using HP tuners. It idles fine and drives fine until you try and pass 3k RPMS. Its like its cutting all fuel and spark. I am by no means a tuning wizz. But I cant get a tune for another couple of weeks
. I'm pretty sure this will be solved by a good tune tho... And soujamatt, sometime I feel like getting rid of it! lol
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I got a vacuum manifold off ebay for cheap. Tapped and drilled out my fast where my original map went. Then moved my 3 bar to firewall. Ran all my stuff off vacuum manifold.
Boost controller, 3 bar, blow offs, boost referenced fuel reg.
Souns like something really weird is happening. Boost leak could make it not have boost and lose big power but assume you are now running speed density so boost leaks won't have much effect on driveability as they would if you had one behind a maf. In front of maf again won't cause my driveability issues in a blow thru configuration. In a draw thru other story.
Plugs blowing out under boost could cause some issues. Gap them to about .028/.030. If you didn't gap them down to that and left them stock gap could be blowing out spark.
Fuel well you should have of course like 58psi line off on adjustable reg and if on stock reg it should be putting out 58psi at idle.If not you have problems with gauge,pump, clogged filter.
Lets here your full mods ,what is your fuel system. What boost are you trying to run.
Get that boost vac gauge working right. It definitely will show vacuum and boost if connected to right places.
Otherwise may have something really whacked in tuning. Did you do your own 3 bar SD conversion. With hptuners? Do you know what you are doing with the tuning?
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If you have the same problem after getting the fuel pressure then I'd look for a vacuum/boost leak
I don't believe I would be blowing spark out. I have tr7's gapped at .032. I wasn't going wot, just cruising up to 3k. So the by pass valve was bleeding anything off...
Also I'm not refrencing from the evap solenoid lol. I'm talking about the port directly off the manifold. Right behind the throttle body on the drivers side. As far as the tuning. Yes I converted it over myself. I have Greg banish's cd, so I know the basics. But I'm by no means a master lol.




lol jk 


