Why do I have high fuel pressure...

[patrickt]

Originally Posted by steve meltzer

As seen in these photos, the gasket that I have that interfaces between the carb body and the metering block was missing two orifices, so i just poked a hole in the gasket. As you can see, it's not very good. I just fixed this with a real punch, and it looks fine now (not in the photos). Not sure of it's importance in the circuitry.

Uhhhh, no. That hole is always there on the main body, but it's only used when you have an auxiliary idle air bleed, which you don't. I don't think punching a hole in your gasket will make a difference one way or the other though, but test it out by putting a small straw in the hole and see if you can't blow through it. IOW, I think that's a dead end hole that does nothing. Try using the orange cam and use hole #1.

[steve meltzer]

I'm sucha moron! thanx. orange cam it is. more later when i get the delicate gasket for the A/P. thanx again.s

[Gaz64]

The metering block gasket does not need any holes as Patrick has mentioned.

Your accelerator pump diaphragm was torn? It would have had a fuel leak as well.

The red cam in pos 1 is just short of the orange cam in pos 1.

Nothing wrong with the red cam if it suits the engine tune.

The white cam is the smallest in delivery at any change in throttle angle.

Gary

[steve meltzer]

Originally Posted by Gaz64

The metering block gasket does not need any holes as Patrick has mentioned.

Your accelerator pump diaphragm was torn? It would have had a fuel leak as well.


The red cam in pos 1 is just short of the orange cam in pos 1.

Nothing wrong with the red cam if it suits the engine tune.



The white cam is the smallest in delivery at any change in throttle angle.

Gary

NO, i just explained it wrong. At the bottom of the nozzle/squirter is a small ? 1/4" gasket. it's torn. pump diaphragm is fine.

I've used that red cam for years, and the car ran great. I'll bet it's either the torn gasket or the vent rod was bent sl. out of whack. thanx. s

[patrickt]

Originally Posted by steve meltzer

NO, i just explained it wrong. At the bottom of the nozzle/squirter is a small ? 1/4" gasket. it's torn. pump diaphragm is fine.

I've used that red cam for years, and the car ran great. I'll bet it's either the torn gasket or the vent rod was bent sl. out of whack. thanx. s

Right, there's actually two gaskets for the squirter. AND, the plumb bob thingy. That's still there, right?

[patrickt]

I looked it up. It's called the Accelerator Pump Nozzle Check Needle. Gaskets go both above and below the squirter.

[steve meltzer]

correct. the lower of the two is a soft, flimsy gasket, the one between the Phillips and the squirter is really more like concave thin metal washer. Right? s

ADD: yeah, and there's the plumb bob thingy that looks like some needle and seat combos.

[patrickt]

OK, you're all set then. Here's a pic though anyway. A properly functioning 31 squirter, and the regular old plain Jane screw (not the hollow one) will do you just fine. After all, you're not Morris hitting 190 on the straights....