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> My 73 Suby drivetrain conversion upgrade!, Added a quick video on page 25
76-914
post Aug 26 2019, 08:59 AM
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Sounds like Jamie is pumping the accelerator pedal? (IMG:style_emoticons/default/confused24.gif) Did you place that little metal inductor wheel back onto the flywheel before you installed the pressure plate? (IMG:style_emoticons/default/beerchug.gif)
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sixnotfour
post Aug 26 2019, 09:41 AM
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Jamie , thats the calmest no start video Ive ever seen...stay calm and check on
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JRust
post Aug 26 2019, 01:01 PM
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Missed plugging in my crank sensor & also one negative wire. Need to trace what it goes to. May be the negative wire for my fuel pump? I'll find out tonight. I did not stay up all night thinking about it. Done enough of that with my car through the years. I put it out of my mind & slept like a baby. The one that wakes up every 2 hours upset (IMG:style_emoticons/default/headbang.gif)
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Chris H.
post Aug 26 2019, 05:09 PM
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That's most likely it. I don't think the ECU would trigger the injectors if it doesn't see a signal from the crank sensor. And if you're fuel pump isn't grounded... BTW can you HEAR the fuel pump running? Is it a Walbro or something else?
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dan10101
post Aug 26 2019, 05:25 PM
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QUOTE(JRust @ Aug 26 2019, 12:01 PM) *

Missed plugging in my crank sensor & also one negative wire. Need to trace what it goes to. May be the negative wire for my fuel pump? I'll find out tonight. I did not stay up all night thinking about it. Done enough of that with my car through the years. I put it out of my mind & slept like a baby. The one that wakes up every 2 hours upset (IMG:style_emoticons/default/headbang.gif)


Cool.

Sounds like my house.
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JRust
post Aug 26 2019, 11:57 PM
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Okay went down tonight after work to give it another try. Got the crank sensor plugged in & the ground that wasn't yesterday. Turned on my phone to record & went to start it. Turned over great but still got nothing. My fuel pump no longer clicks but runs like it is supposed to (IMG:style_emoticons/default/confused24.gif) . Okay I get to looking some more. Down but my fuel pump is a shut off valve I forgot about. Damned if it isn't turn off. I turn it back on & go turn my key. Pump is much louder & sounds horrible for the few seconds before it turns off. I don't start it but turn it off & cycle it again. I hear the pump being a bit loud again but I also hear some gurgles from my fuel tank. Ah okay I let it cycle a few times. It calms down & sounds normal. I of course didn't keep recording with my phone. Gave it a try again & got a burp. I cycle it again & got it to fire up. Ran it for about 45 seconds & shut it off. Figured to get it on video. Did get some smoke from the tailpipe & a bit around the motor. So go back to start it again on video & just turned over. Not sure if I flooded it or what. I left it alone & figured I'd call tonight a win. I'll try to fire it up in the morning before I leave for work & will get it on video. I can say the exhaust isn't exactly subtle (IMG:style_emoticons/default/shades.gif)
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Andyrew
post Aug 27 2019, 06:04 AM
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Spooling.... Please wait
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(IMG:style_emoticons/default/smilie_pokal.gif)
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Cairo94507
post Aug 27 2019, 06:57 AM
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Major milestone. Congratulations; it is alive. (IMG:style_emoticons/default/beerchug.gif)
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pploco
post Aug 27 2019, 07:31 AM
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Nice job. Can't wait to hear that beast.
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Chris H.
post Aug 27 2019, 07:43 AM
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QUOTE(JRust @ Aug 27 2019, 12:57 AM) *

Okay went down tonight after work to give it another try. Got the crank sensor plugged in & the ground that wasn't yesterday. Turned on my phone to record & went to start it. Turned over great but still got nothing. My fuel pump no longer clicks but runs like it is supposed to (IMG:style_emoticons/default/confused24.gif) . Okay I get to looking some more. Down but my fuel pump is a shut off valve I forgot about. Damned if it isn't turn off. I turn it back on & go turn my key. Pump is much louder & sounds horrible for the few seconds before it turns off. I don't start it but turn it off & cycle it again. I hear the pump being a bit loud again but I also hear some gurgles from my fuel tank. Ah okay I let it cycle a few times. It calms down & sounds normal. I of course didn't keep recording with my phone. Gave it a try again & got a burp. I cycle it again & got it to fire up. Ran it for about 45 seconds & shut it off. Figured to get it on video. Did get some smoke from the tailpipe & a bit around the motor. So go back to start it again on video & just turned over. Not sure if I flooded it or what. I left it alone & figured I'd call tonight a win. I'll try to fire it up in the morning before I leave for work & will get it on video. I can say the exhaust isn't exactly subtle (IMG:style_emoticons/default/shades.gif)


(IMG:style_emoticons/default/smilie_pokal.gif) YOU WIN Jamie!


https://www.youtube.com/watch?v=LlhKZaQk860


The loud pump/gurgling is actually normal, at least in my car. You can hear it "charge" the fuel system for a few seconds, and sometimes it cycles fuel back in to the tank. My pump used to be VERY loud to the point where I thought there was something wrong with it, but it was just barely touching something under the tank in one spot that caused some reverb. Fixed that and it's a fairly quiet hum now but you can still hear it. You might not be able to over your exhaust (IMG:style_emoticons/default/biggrin.gif) .
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JRust
post Aug 27 2019, 10:21 AM
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Tried to fire it up this morning with no luck. Only had a minute but I don't think I flooded it last night. I hear my fuel pump but almost wonder if I might have screwed it up the first little bit trying to start it without any fuel coming to it. My car turning over is acting just like it did before I opened the shut off valve I missed? I'll get back to screwing with it tonight hopefully.

My wife did send me a text this morning congratulating me on getting my car started. She get's up super early for work & I didn't see her. I realized I probably woke her up when I started it last night. Quickly apologized. She replied I thought it was thunder until I heard it rev (IMG:style_emoticons/default/happy11.gif) . Our room is right above the garage (IMG:style_emoticons/default/lol-2.gif)
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JRust
post Aug 28 2019, 11:13 PM
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Tried to start it but no joy. I hear the fuel pump but I don't think it is actually pressurizing the system. Pull the feed line to the motor after the pump & there was no pressure in the line. Fuel would pour from it just from gravity. While it wasn't running the fact there was no pressure in the line after just trying to start it. I believe the pump is my problem. Sound right?
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dakotaewing
post Aug 29 2019, 06:28 AM
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Did you possibly short / damage the pump on the initial start up?
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Chris H.
post Aug 29 2019, 07:19 AM
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What pump are you using? Walbro?
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JRust
post Aug 29 2019, 07:51 AM
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QUOTE(Chris H. @ Aug 29 2019, 06:19 AM) *

What pump are you using? Walbro?

Yeah
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Amenson
post Aug 29 2019, 08:03 AM
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Pull the pump and blow it out, could just be a chunk of random debris jamming it up. Also check any pre-pump filters/screens.
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Chris H.
post Aug 29 2019, 08:08 AM
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Definite possibility. Walbro is a pretty tough pump but you never know. You can stick the line securely into a gas can and then flip the key on. See if the pump runs and report back. BE CAREFUL man! It's early!
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Costa05
post Aug 29 2019, 08:41 AM
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Is it possible that the fuel pump polarity is off. Not sure if fuel pumps run in reverse when polarity is switched. Or maybe the fuel lines pressure side and return side hoses are flopped. Does not explain why it ran for a short period though. (IMG:style_emoticons/default/confused24.gif)
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Andyrew
post Aug 29 2019, 11:19 AM
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QUOTE(JRust @ Aug 28 2019, 10:13 PM) *

Tried to start it but no joy. I hear the fuel pump but I don't think it is actually pressurizing the system. Pull the feed line to the motor after the pump & there was no pressure in the line. Fuel would pour from it just from gravity. While it wasn't running the fact there was no pressure in the line after just trying to start it. I believe the pump is my problem. Sound right?


Ya, the pump sounds wrong. Like its only getting a few volts. Check your power to the pump. Polarity could be an issue as well. They dont like being run wrong, and your sounds... bad... It should sound similar to my pump. Loud, high pitched, and obnoxious.
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Chris H.
post Aug 29 2019, 11:43 AM
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Here's what it should sound like:


https://www.youtube.com/watch?v=sjz0Wm8xK5w


(focus on the pump whine, not the e-brake warning (IMG:style_emoticons/default/biggrin.gif) )
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