1986 F-250 Progress Thread
FTE Legend
Joined: Jul 2010
Posts: 32,875
Likes: 48
From: Northeast, OK
So today I drove the truck about 10 miles, ran pretty good but it was light stumbling a lot from not enough accelerator pump shot, I fixed that. I retarded the timing back to 10* BTDC and backed the vacuum advance out and it seemed to help with the hot re start starter bounce back. I also got $75 in free gas today.
When the front tank reads 1/4 tank I have 9 gallons of gas left. Ford quality!
Also I adjusted my carb, it was slightly lean on the drivers side, runs even better now and sounds better. Oh yeah I get 20" of vacuum at idle now Gary Lewis.
When the front tank reads 1/4 tank I have 9 gallons of gas left. Ford quality!
Also I adjusted my carb, it was slightly lean on the drivers side, runs even better now and sounds better. Oh yeah I get 20" of vacuum at idle now Gary Lewis.
Also, you said the sending unit is only 7 months old and mentioned "Ford quality". Did you buy a new Ford sending unit for your tank 7 months ago and it has already gone bad?
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Logistics Pro
Joined: Sep 2011
Posts: 4,491
Likes: 26
From: Algona,WA
I don't know why I said Ford quality, sort of just joking. It's a sender from LMC (last resort since I couldn't find a OEM one for less than $80). I tuned the carb with a vacuum gauge, the drivers side screw was slightly lean, but I've made timing adjustments without tuning the carb since then and I'm sure that's probably affected it slightly. I got them both equal now with the vacuum gauge for highest vacuum.
At least I have a fuel gauge that works, when it gets to empty on the gauge I suppose I'll have about a 5 gallon reserve. I'd rather have it read like it is now than read high and I run out of gas.
At least I have a fuel gauge that works, when it gets to empty on the gauge I suppose I'll have about a 5 gallon reserve. I'd rather have it read like it is now than read high and I run out of gas.
FTE Legend
Joined: Jul 2010
Posts: 32,875
Likes: 48
From: Northeast, OK
Ok, now I understand. Yes, the aftermarket senders seem to be problematic, so I'm blessed to have one that works pretty well.
As for the carb, if you tuned it w/a vacuum gauge and have it pretty well balanced side-to-side then you are good. And, 20" of vacuum is good. I have 18 - 19".
As for the carb, if you tuned it w/a vacuum gauge and have it pretty well balanced side-to-side then you are good. And, 20" of vacuum is good. I have 18 - 19".
Thread Starter
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Logistics Pro
Joined: Sep 2011
Posts: 4,491
Likes: 26
From: Algona,WA
Ok, now I understand. Yes, the aftermarket senders seem to be problematic, so I'm blessed to have one that works pretty well.
As for the carb, if you tuned it w/a vacuum gauge and have it pretty well balanced side-to-side then you are good. And, 20" of vacuum is good. I have 18 - 19".
As for the carb, if you tuned it w/a vacuum gauge and have it pretty well balanced side-to-side then you are good. And, 20" of vacuum is good. I have 18 - 19".
AND as soon as I turned out the drivers side screw the vacuum went up from 17" to 19-20"
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Post Fiend
Joined: Nov 2011
Posts: 8,908
Likes: 1
From: Algona, Washington
Sometimes people keep extra coils and ignition boxes with them just in case something ever happens. You never know when something will go out all of a sudden and if you happen to be stranded, you wold wish to have a spare. If it is a cheap part, why not buy 2 and keep an extra on hand in the event of a disaster?
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Logistics Pro
Joined: Sep 2011
Posts: 4,491
Likes: 26
From: Algona,WA
Sometimes people keep extra coils and ignition boxes with them just in case something ever happens. You never know when something will go out all of a sudden and if you happen to be stranded, you wold wish to have a spare. If it is a cheap part, why not buy 2 and keep an extra on hand in the event of a disaster?
FTE Legend
Joined: Jul 2010
Posts: 32,875
Likes: 48
From: Northeast, OK
Yup. I had a Ford coil fail me on I-10 in AZ back in 72. Truck was 6 months old and the coil died. Split it open with a chisel and found the wire from the positive terminal to the winding had broken. Put a splice in it, wrapped the coil with half a roll of paper towels, and stuffed it in the mount. We bought a new one in the next town but used the old one for the rest of the trip. Didn't miss a beat, but I swapped it out for the new one when we got back to Wichita and put that one in the side pocket as a spare. Was still there when I sold the truck.
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Logistics Pro
Joined: Sep 2011
Posts: 4,491
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From: Algona,WA
Mine is mounted vertically. The coil that came off our Galaxie was epoxy filled. (352 FE) In '72 it would have been a 360 or 390 FE if it was a V8 so it might have been epoxy filled.
