Why do I have high fuel pressure...

[patrickt]

Originally Posted by steve meltzer

When all's said and done, it would cost about $100 to buy the blocking plate and find the right aeroquip or equivalent way to connect the two fuel lines. What pump would you buy? Might even be easier, in some ways, to replace the mechanical pump than to figure out the re-plumb. thanx steve

When I threw out a hundred bucks, I was thinking of this tried and true pump: https://www.summitracing.com/parts/CRT-M6905/ But, others might have other suggestions. And you should also expect somebody to complain about you having a fuel line running in to the dash without an isolator. I've never touched an isolator, so I won't comment on it.

[steve meltzer]

Thanx for the link. I have an isolator between the fuel log and the gauge. I'd be afeared to run gasoline into the cockpit...hate for my cigar to light it up. s

[steve meltzer]

Got out to the car this PM and despite kicking on the e-pump the pressure never got to be more than 3-4 PSI, the car started but died about 100' later. Couldn't restart and pressure remained at 3 with or without the e-pump. Cranked OK, but would never fire. I needed to get home, so my wife took me, leaving the car parked at work. Tomorrow I'll see if I have spark or fuel or whatever I can determine. Could the mechanical pump fail in such away that the e-pump can't bring fuel to the rail? Or, is this just another problem before I start cussing, swearing and throwing dangerous objects? thanx s

[patrickt]

Originally Posted by steve meltzer

Got out to the car this PM and despite kicking on the e-pump the pressure never got to be more than 3-4 PSI, the car started but died about 100' later. Couldn't restart and pressure remained at 3 with or without the e-pump. Cranked OK, but would never fire. I needed to get home, so my wife took me, leaving the car parked at work. Tomorrow I'll see if I have spark or fuel or whatever I can determine. Could the mechanical pump fail in such away that the e-pump can't bring fuel to the rail? Or, is this just another problem before I start cussing, swearing and throwing dangerous objects? thanx s

Well look on the bright side. A no-start/no-run condition is a heckuva lot easier to figure out than an intermittent, car still runs, but misbehaves condition. Even if the car starts, I would not drive her home -- 1) you could stall on the highway, which is a danger; and 2) there's a small chance that the loss of fuel pressure is the result of "internal bleeding" in to the oil pan. I don't think that's happening, but I'm not going to risk your engine on it. Put her on a flatbed and get 'er home. Then we'll figure it out.

[steve meltzer]

Not a fuel cell. Stock from Kirkham. Thanx for the advice. More later. s

[patrickt]

Yeah, just to be on the extra-safe side, check your dipstick to see if the oil level is unusually high, or if it looks funny, or if it smells like gas. Having owned her for 15 years, you know what it normally looks like on the end of the stick.

[steve meltzer]

thanx. BTW, could a failed mechanical pump, ,plumbed the way mine is, cause a low pressure, even tho' the e-pump seems to be working OK? Am I making sense? s