GM Adjustable Fuel Pressure Regulator
I came across this gadget a long time ago and was thinking about modifying the current set up.
http://marine-performance-parts.com/...843505774.aspx
Does anyone know how one knows to what psi one would be changing the pressure? The gadget doesn't have read out on it so how do we know
what we are feeding the engine? And here is another thing I am totally in the dark with:
The fuel pump is in the tank right, way in the back, over 20 feet back, so the pressure shows up before the tbi at currently 10.5psi, then it goes into the
regulator. What happens there? then it goes into the injectors and then depending on their flow it shoots gas into the engine. I've learned that the computer
handles the injectors output but I don't quite understand how all that works. The GM Foreman says my engine is running little rich at idle. Not too much but a little.
Then other's have said the reason the manifolds glow under load is because I'm running lean, Others say no, it's burning excess fuel in the manifold and it's running
too rich. So which one is it under load? rich or lean and the computer doesn't control the regulator so how the heck does all of this work?
Thanks to anyone who can shine some light on this for me. And do it in really plain kid's English! LOL