shmoov69
05-23-2012, 03:53 PM
Well, I found my "problem" with the fuel pressure last night! The car would rip hard for about 2-3 seconds and then totally fall on its face after that. I put a guage on it to check the pressure and it would drop about the same spot, but I could never figure out why. I ended up dropping the tank and putting a new A1000 pump in it, enlarging the pickup tubes, moving the return tube in the tank in case it was cavatating somehow, checking all the lines looking for kinks, dent or whatever. Good, shoud be fixed....! So, while pulling the rocker studs back out last night (the screw in studs keep loostening and leaking somehow), I my buddy looks over and says "where is the adjuster screw for the FP regulator?" DOOH!!! :pat: I guess it vibrated out and I didn't notice it since the regulator will only drop the pressure down to 7psi (where it needs to be) with it "all the way out".
Well, now it all makes sense because it would run hard for a little while and "leak" out enough pressure to let it back off just enough for the boost to overcome the FP and fall on its face. I never looked because when it blows the hose off, it will just barely get under boost and then it falls on its face, not rip for a little while.
Well, good that it's fixed now.....AND it has a new pump that it didn't need!!! LOL
Well, now it all makes sense because it would run hard for a little while and "leak" out enough pressure to let it back off just enough for the boost to overcome the FP and fall on its face. I never looked because when it blows the hose off, it will just barely get under boost and then it falls on its face, not rip for a little while.
Well, good that it's fixed now.....AND it has a new pump that it didn't need!!! LOL