86 f250
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More Turbo
Joined: Nov 2013
Posts: 557
Likes: 8
From: arkansas
86 f250
Looking at buying 86 f250 4x4 4wd, 4 speed 460. Not familiar with the bullnose era trucks. Truck is not running at this time. Has been messed with, but everything looks original and wiring not hacked. owner says flywheel has bad spots but he bought it not running. First off, what is best way to tackle fuel delivery? Can the original tank pump be replaced with a mechanical pump and carb? Where is the pressure regulator? I was planning on buying this truck for the 460 and flatbed for my 79 f250 4x4, but this truck is solid with a flat bed with hay spike lift, trailer brakes, factory ac intact and several other things that make it more feasible to tackle it for a build.What are some of the weak/trouble spots on such truck? Thanks for input.
Lead Driver
Joined: Jun 2013
Posts: 5,667
Likes: 1,159
From: Tolland, CT
https://www.napaonline.com/en/search...ump&referer=v2
There's a link to the fuel pump(s). Read the info on the in tank pumps, as they are different for front and rear tank.
But I'm sure the experts will have questions before you start throwing money at things you may not need.
We'll want to know how good the battery is ?
Does it have dual tanks ?
How do you know it's not getting fuel, or spark, or power to the starter ?
Link to FW, https://www.napaonline.com/en/search...eel&referer=v2
Will it need a clutch ? What about the clutch linkage ? There is a recent thread about the worn pivot ball on the block.
https://www.ford-trucks.com/forums/1...-problems.html
This thread from the "related threads" down below maybe some good reading for you. https://www.ford-trucks.com/forums/1...-at-times.html
yet, another good thread about fuel issues. https://www.ford-trucks.com/forums/1...-from-2nd.html
If you can change the "title" of this thread to show your problem, you may get the experts to chime in sooner.
There's a link to the fuel pump(s). Read the info on the in tank pumps, as they are different for front and rear tank.
But I'm sure the experts will have questions before you start throwing money at things you may not need.
We'll want to know how good the battery is ?
Does it have dual tanks ?
How do you know it's not getting fuel, or spark, or power to the starter ?
Link to FW, https://www.napaonline.com/en/search...eel&referer=v2
Will it need a clutch ? What about the clutch linkage ? There is a recent thread about the worn pivot ball on the block.
https://www.ford-trucks.com/forums/1...-problems.html
This thread from the "related threads" down below maybe some good reading for you. https://www.ford-trucks.com/forums/1...-at-times.html
yet, another good thread about fuel issues. https://www.ford-trucks.com/forums/1...-from-2nd.html
If you can change the "title" of this thread to show your problem, you may get the experts to chime in sooner.
Thread Starter
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More Turbo
Joined: Nov 2013
Posts: 557
Likes: 8
From: arkansas
Thanks. Kind of a pig in a poke right now. Owner has not heard it run, he says spark/compression/fuel there, not sure how that goes with not able to turn much. I have seen a new starter, relay is on it. I think he is pretty straight up and the price is right. I have worked on a lot of stuff just not familiar with this setup.
Lead Driver
Joined: Jun 2013
Posts: 5,667
Likes: 1,159
From: Tolland, CT
In some of those links, you'll find the link to Gary's site, which has a ton of info on these trucks,
https://www.garysgaragemahal.com/ use the "documentation" button up top.
https://www.garysgaragemahal.com/ use the "documentation" button up top.
Lead Driver
Joined: Jun 2013
Posts: 5,667
Likes: 1,159
From: Tolland, CT
Thanks. Kind of a pig in a poke right now. Owner has not heard it run, he says spark/compression/fuel there, not sure how that goes with not able to turn much. I have seen a new starter, relay is on it. I think he is pretty straight up and the price is right. I have worked on a lot of stuff just not familiar with this setup.
The FW maybe in the spot with the missing teeth, so the starter won't engage...? Can you spin the crank by hand a little and try to start it ?
Moderator
Joined: Jan 2001
Posts: 56,984
Likes: 2,738
From: Virginia
The electric pump system is called by Ford "Hot fuel handling" option. I would try to keep it intact since the fuel nowdays is very prone to vapor lock. If it's true you have fuel, you can look elsewhere for the problem.
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More Turbo
Joined: Nov 2013
Posts: 557
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From: arkansas
Thanks. Would like to keep it if i can, have learned a lot in the last few hours on this site. Thats why i have always come here. You guys give me the confidence i might try this.
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