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Re: Consistent engine stall issue [Re: 1955oneton] #1317556 Sat Jul 13 2019 02:26 AM
Joined: Jun 2019
Posts: 16
1
1955oneton Offline OP
New Guy
Finally I have figured out the problem (I think!)! I was browsing further down the forums today to see if there was anything that would trigger something I missed and I came across "Rochester carb not squirting" by treydrummer. After reading his OP, it was my problem down to a tee! I followed his instructions on how to clean out the jet off of the acc pump discharge (after I found it because it was so caked up) and took her for a 30 mile drive. I'm excited to say the drive was trouble free, lots of power and there's now fuel visible in the fuel filter. I cannot thank everyone in the forum enough for sharing all your experiences and suggestions. When I broke down yesterday, it actually was 200 feet away from a classic car show that's held on Wednesday nights in my town, which I've never attended. There were about 3 dozen cars at the show and over two hours of working on my truck to get it running, not a single person came over to ask what was wrong or if they could help. It was extremely discouraging to say the least, as everyone was staring at me as I was scrambling to figure out what was wrong. Everyone here has been incredibly helpful and without you I wouldn't have solved my issue. Thank you for that!

treydrummer's thread:

https://www.stovebolt.com/ubbthreads/ubbthreads.php/topics/1317554.html#Post1317554

Re: Consistent engine stall issue [Re: 1955oneton] #1317695 Sun Jul 14 2019 07:44 PM
Joined: Mar 2010
Posts: 8,425
5
52Carl Offline
Master Gabster
I have found that in recent years, there are fewer and fewer classic/antique owners who are builders , but rather, buyers. I'd be willing to bet that whoever was staring at you struggling would have just been in your way had they come over to "help".
Carl

Re: Consistent engine stall issue [Re: 1955oneton] #1317699 Sun Jul 14 2019 08:06 PM
Joined: Feb 2004
Posts: 19,025
H
Hotrod Lincoln Online
Boltergeist
Ditto! It seems that most "restored" antiques belong to owners who might as well be screaming "Look at what a big check I can write!" I did a pre-purchase inspection on a resto-modded stovebolt pickup with a price tag of $60K- - - - -and a rack and pinion steering system that tried to lock up the wheel every 90 degrees due to incorrect routing of the steering shaft and the wrong design of U-joints between the fancy new steering column and the R&P unit. The seller got highly agitated that I included that tidbit of information in my report to the potential buyer.
Jerry


The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
Re: Consistent engine stall issue [Re: 1955oneton] #1317741 Mon Jul 15 2019 02:03 AM
Joined: Jun 2019
Posts: 16
1
1955oneton Offline OP
New Guy
So the saga continues frown I took the truck for a run to the hardware store today and at 10 miles out of 14, she stuttered and stalled. I popped the hood, tapped the carb a number of times and it fired up. So I thought I had figured out the carb issue, but clearly all the bugs aren't out. Is it fair to say that with the last two stall outs, after tapping the carb and it starting up that it's a float issue? I've replace the float & needle as part of the carb rebuild, so it shouldn't be hanging up. Any thoughts or suggestions?

Thanks!

Re: Consistent engine stall issue [Re: 1955oneton] #1317742 Mon Jul 15 2019 02:16 AM
Joined: Apr 2005
Posts: 7,698
Justhorsenround Offline
Grease Monkey, Moderator General Truck Talk & Greasy Spoon
The tapping on the carburetor is a dead giveaway that the float needle is sticking. Time to pull the top off and see if you can figure out why. Good luck. 🛠


Martin
'62 Chevy C-10 Stepside Shortbed (Restomod in progress)
'47 Chevy 3100 5 Window (long term project)


"I fought the law and the law won" now I are a retired one!
Support those brave men/women who stand the "Thin Blue Line" and lock up those on the wrong side of that line.

Re: Consistent engine stall issue [Re: 1955oneton] #1317813 Mon Jul 15 2019 07:48 PM
Joined: Jun 2019
Posts: 16
1
1955oneton Offline OP
New Guy
After further review, it's looking like the fuel pump isn't producing enough pressure to push the fuel up the line and into the carb, especially when the needle sticks in the carb. This would likely be due to a worn camshaft lifter for the fuel pump. Has anyone either experienced this or heard of a lifter wearing out like that? If that's the case, I'm looking at either replacing the camshaft or installing a small electric fuel pump. Any thoughts or suggestions are appreciated! Thanks!

Re: Consistent engine stall issue [Re: 1955oneton] #1317817 Mon Jul 15 2019 07:57 PM
Joined: Sep 2001
Posts: 28,585
tclederman Offline
Boltergeist
Take off the fuel pump and see if the lever (lifter?) is good.

If the lever looks good, you might have a bad fuel pump?


Tim
1954Advance-Design.com
1954 3106 Carryall Suburban - part of the family for 48 years
1954 3104 5-window pickup w/Hydra-Matic - part of the family for 14 years
Z-series (54/55) GMC 350 (2-ton) COE - now part of Dave's family
- If you have to stomp on your foot-pedal starter, either you, or your starter, or your engine, has a problem.
- The 216 and early 235 engine are not "splash oilers" - this is a splash oiler.
Re: Consistent engine stall issue [Re: 1955oneton] #1317823 Mon Jul 15 2019 08:07 PM
Joined: Feb 2004
Posts: 19,025
H
Hotrod Lincoln Online
Boltergeist
Checking a fuel pump for volume, pressure, and vacuum was once a routine troubleshooting procedure. Now people just throw parts at a problem and hope something fixes it.
Jerry


The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
Re: Consistent engine stall issue [Re: 1955oneton] #1317824 Mon Jul 15 2019 08:18 PM
Joined: Sep 2001
Posts: 28,585
tclederman Offline
Boltergeist


Tim
1954Advance-Design.com
1954 3106 Carryall Suburban - part of the family for 48 years
1954 3104 5-window pickup w/Hydra-Matic - part of the family for 14 years
Z-series (54/55) GMC 350 (2-ton) COE - now part of Dave's family
- If you have to stomp on your foot-pedal starter, either you, or your starter, or your engine, has a problem.
- The 216 and early 235 engine are not "splash oilers" - this is a splash oiler.
Re: Consistent engine stall issue [Re: 1955oneton] #1318123 Wed Jul 17 2019 08:00 PM
Joined: Jun 2019
Posts: 16
1
1955oneton Offline OP
New Guy
So I got my hands on a fuel pressure gauge and hooked it up to the line. Just ran the test and I’m sitting between 3.5 and 4.3 psi, which is right in spec. After letter the truck sit for 15 min, I fired it back up and it was reading at 1.5 psi. Could it just be vapor locking? I’d be surprised if that was it after such a short period running. I’m thinking that installing an electric fuel pump would remedy that. Any thoughts?

Last edited by 1955oneton; Wed Jul 17 2019 08:37 PM.
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