1986 F-250 Progress Thread
FTE Legend
Joined: Jul 2010
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From: Northeast, OK
My idea is that your current reading is probably accurate. That's exactly the pressure that the needles/seats are seeing and that's probably the way E'Brock would suggest you read it.
As for why the other reading didn't work, many regulators don't relieve too much pressure. So, if you start with more pressure than you want, say at 10 psi, and start turning the regulator down you won't get the reading that you would if you started at 3 psi and turned the pressure up. The regulator just doesn't have anywhere to put the excess fuel when you start out with too much.
As for why the other reading didn't work, many regulators don't relieve too much pressure. So, if you start with more pressure than you want, say at 10 psi, and start turning the regulator down you won't get the reading that you would if you started at 3 psi and turned the pressure up. The regulator just doesn't have anywhere to put the excess fuel when you start out with too much.
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Logistics Pro
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From: Algona,WA
People must not have a lot of hope for me.....LOL.
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Logistics Pro
Joined: Sep 2011
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From: Algona,WA
If I dead head it now, it'll read just as the first time I tested it that way when I hooked the regulator up. I'll run it this way for a little bit and see how it does, but is it normal for a drop of gas to be coming out of the squirters every few seconds after it returns to idle? it seems to kind of stop dripping after idling for 4-5 seconds, same when I throttle up and hold it there for a few seconds.
FTE Legend
Joined: Jul 2010
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From: Northeast, OK
I don't think it would read the same now because before you had pressure higher than 5 psi and you were turning it down. But, there was no place for the fuel to go so the pressure stayed up. Now you are starting at 5 psi so the pressure will initially show 5 psi. However, if there is any leakage out/past the regulator the pressure may climb slowly.
As for the drips, no it isn't normal. It sounds like the check ball isn't sealing properly in the accelerator pump circuit. You did put the weight back on top of it when you put the carb back together - right?
As for the drips, no it isn't normal. It sounds like the check ball isn't sealing properly in the accelerator pump circuit. You did put the weight back on top of it when you put the carb back together - right?
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Logistics Pro
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From: Algona,WA
I don't think it would read the same now because before you had pressure higher than 5 psi and you were turning it down. But, there was no place for the fuel to go so the pressure stayed up. Now you are starting at 5 psi so the pressure will initially show 5 psi. However, if there is any leakage out/past the regulator the pressure may climb slowly.
As for the drips, no it isn't normal. It sounds like the check ball isn't sealing properly in the accelerator pump circuit. You did put the weight back on top of it when you put the carb back together - right?
As for the drips, no it isn't normal. It sounds like the check ball isn't sealing properly in the accelerator pump circuit. You did put the weight back on top of it when you put the carb back together - right?
When I first hooked it up, I had relieved pressure a few times, screwed the regulator all the way in and all the way out and it hardly changed with it dead head. Now it changes rapidly like it should when you adjust it while it's running.
FTE Legend
Joined: Jul 2010
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From: Northeast, OK
Yup. As I said, there's no place for the 6 or 7 psi of fuel to go. All a regulator can do is stop letting more fuel in, but if it is already in there it can't very well spray it on the engine. So in deadhead mode you have to start with low pressure and come up to your set point.
If you take the carb apart use a Q-tip to clean out the seat where the check ball goes. And, make sure there's the weight on top of the ball. But, a drop every minute or so isn't a big problem.
If you take the carb apart use a Q-tip to clean out the seat where the check ball goes. And, make sure there's the weight on top of the ball. But, a drop every minute or so isn't a big problem.
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Logistics Pro
Joined: Sep 2011
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From: Algona,WA
Yup. As I said, there's no place for the 6 or 7 psi of fuel to go. All a regulator can do is stop letting more fuel in, but if it is already in there it can't very well spray it on the engine. So in deadhead mode you have to start with low pressure and come up to your set point.
If you take the carb apart use a Q-tip to clean out the seat where the check ball goes. And, make sure there's the weight on top of the ball. But, a drop every minute or so isn't a big problem.
If you take the carb apart use a Q-tip to clean out the seat where the check ball goes. And, make sure there's the weight on top of the ball. But, a drop every minute or so isn't a big problem.
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From: Denver Metro Area, CO
I wouldn't think that's right.................
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Logistics Pro
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From: Algona,WA
Float levels are correct, I checked them last time I had the carb top off.