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daveyfx

15+ Year Contributor
236
6
Dec 21, 2004
Orlando, Florida
So let me lay it all out for you guys since these issues could possibly be tieing in together...

A week ago I installed a boost gauge. Works great... EXCEPT on hot starts. The needle will sit at zero for up to 2-3 minutes and then finally start reading vacuum. I thought this was a problem with the gauge until today when I gave the car a hot start, pulled the vacuum line from the T fitting (I have it T'd into the line from the fuel pressure regulator solenoid) and felt aboslutely no vacuum.

I sat and waited a few minutes. Boom - I feel vacuum from the T fitting. I plug the hose in and my gauge immediately reads out the correct vacuum.

On a side note, I decided to install my Hallman MBC and turn the boost up to 15 psi. Previously, I was running at 10 psi. I felt absolutely no change at all in power from the 5 psi bump.

Could these problems be tied together? How do I fix the vacuum issue? If the vacuum issue couldn't be causing the power problem, what could it be?

I'm desperate here :cry:
 
You may have plugged vaccum ports from all the blow by try sticking a peice of wire in the vacuum port and see how dirty it is. Their is probably oil residue plugging it. If its bad you may want to pull off the intake manifold and have it hot tanked to clean it.
Good luck man
 
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