HELP!!
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New User
Joined: Nov 2007
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From: Syracuse New York
HELP!!
Howdy!
I bought my 60 f-100 a few years back. I've been working on it a little at a time, minor body work etc. Basically, my first project car ever. It's a solid truck, it just had a bad paint job to prevent anymore surface rust. But here's my problem, when I got the truck, the guy who I bought it from told me that the carb needed to be adjusted. You see, it ideals fine, and after she's warmed up you can give it some gas to hear the cherry bombs sing, someone dropped a 71-73 351 W into it. It sounds great, but when I put it into drive (AUTOMATIC) and go to goose it, or even back it out of the garage just to look at it in Sun lite, she sounds like she wants to die, and sometimes does. I replaced the battery, the battery cables, the starter, the solenoid, plugs etc. I even have a manual for holley carbs, and looked at troublesome shooting in there, but had no luck. I don't know if it's a vacuum leak or what? I really want to one day drive this baby, and feel like it may never come. My other option was to take it to my mechanic when the weather gets nice, but I really want to do it myself, pride and all. Any info or suggestions would be so appreciated at this point.
Thanks for your time guys!
I bought my 60 f-100 a few years back. I've been working on it a little at a time, minor body work etc. Basically, my first project car ever. It's a solid truck, it just had a bad paint job to prevent anymore surface rust. But here's my problem, when I got the truck, the guy who I bought it from told me that the carb needed to be adjusted. You see, it ideals fine, and after she's warmed up you can give it some gas to hear the cherry bombs sing, someone dropped a 71-73 351 W into it. It sounds great, but when I put it into drive (AUTOMATIC) and go to goose it, or even back it out of the garage just to look at it in Sun lite, she sounds like she wants to die, and sometimes does. I replaced the battery, the battery cables, the starter, the solenoid, plugs etc. I even have a manual for holley carbs, and looked at troublesome shooting in there, but had no luck. I don't know if it's a vacuum leak or what? I really want to one day drive this baby, and feel like it may never come. My other option was to take it to my mechanic when the weather gets nice, but I really want to do it myself, pride and all. Any info or suggestions would be so appreciated at this point.
Thanks for your time guys!
Cargo Master
Joined: Feb 2008
Posts: 2,795
Likes: 129
From: Windermere Valley,B.C. Ca
Cyberspace guesses from an unreliable memory;
The stock carb should have been a Motorcraft / Autoilite two barrel (I think)? IF it’s a Holley 2 or 4 barrel then it has been changed, I think you have a vacuum leak. Squirt 10-30 or ATF around the carb base and intake and see if the idle speed changes.
I personally have not had good luck with Holleys, see if you can find a running test carb.
The stock carb should have been a Motorcraft / Autoilite two barrel (I think)? IF it’s a Holley 2 or 4 barrel then it has been changed, I think you have a vacuum leak. Squirt 10-30 or ATF around the carb base and intake and see if the idle speed changes.
I personally have not had good luck with Holleys, see if you can find a running test carb.
Elder User
Joined: May 2006
Posts: 907
Likes: 1
From: Kansas City, Mo
Hi, is the idle RPM correct in park? What is the rpm when brake is on and (D or R) is selected? If it drops and it dies is the choke manual/elect working to increase idle until it warms up? What does yours have? chuck
Post Fiend
Joined: May 2008
Posts: 7,641
Likes: 21
From: Poway, Ca.
I agree with Old F1.
It sounds like timing is not advanced enoungh, vacuum advance is not working properly/timing is off, accelerator pump on the carb is not working, or vacuum connections at the transmission are open.
Use a vacuum guage to time and set the idle mixture then check for a vacuum leak at the tranny. Also, check to see (with the engine off) if the carb squirts a good solid shot of gas in the carb throat as you open the throttle.
Here is the procedure for setting the timing with a vacuum gauge:
https://www.ford-trucks.com/forums/8...e-trouble.html
It sounds like timing is not advanced enoungh, vacuum advance is not working properly/timing is off, accelerator pump on the carb is not working, or vacuum connections at the transmission are open.
Use a vacuum guage to time and set the idle mixture then check for a vacuum leak at the tranny. Also, check to see (with the engine off) if the carb squirts a good solid shot of gas in the carb throat as you open the throttle.
Here is the procedure for setting the timing with a vacuum gauge:
https://www.ford-trucks.com/forums/8...e-trouble.html
Cargo Master
Joined: Jun 2001
Posts: 2,571
Likes: 22
From: Oxford, Indiana
I'd look at the timing first, too. In addition to the vacuum advance, you might want to check the mechanical advance as well. It's not uncommon to find one stuck or gummed up.
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From: Syracuse New York
Great guys! Thanks for all your suggestions. I will start her up this week and check the timing, and the mechanical advance. I will keep you all posted. Also, any suggestions for lowering the truck 3'' without cutting the springs. I have seen control arms with a deeper coil pocket, but nothing for my year, or even close for that matter. Also I a trying to get a set of steelies and am having a hard time finding the right size. I measured the lugs, any other suggestions?
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Hotshot
Joined: Oct 2009
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From: Burbank, WA
any suggestions for lowering the truck 3'' without cutting the springs. I have seen control arms with a deeper coil pocket, but nothing for my year, or even close for that matter. Also I a trying to get a set of steelies and am having a hard time finding the right size. I measured the lugs, any other suggestions?
Senior User
Joined: Oct 2008
Posts: 137
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From: Brandon MS
Not sure if this is true on all vehicles but I have seen a bad modulator valve on the transmission let trans fluid get sucked into much of the vacuum lines on a truck before which can make it run like crap or die on you.
Hotshot
Joined: Oct 2009
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From: Burbank, WA
I see this is your first post, so thanks for participating, and welcome to the forum!
Senior User
Joined: Aug 2007
Posts: 108
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From: Petaluma, CA
Oh and you can use a propane or mapp gas torch (without it lit, but gas flowing) to pinpoint the leak. (this one is my favorite as there is no mess to clean up afterwards)
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New User
Joined: Nov 2007
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From: Syracuse New York
The truck has stock suspension.
And I will also try using my Mapp gas torch to check for a leak. Thanks again guys for all your help. I can't wait to get out in the garage after the new year and take a look. Any suggestions for finding a stock benchseat?
And I will also try using my Mapp gas torch to check for a leak. Thanks again guys for all your help. I can't wait to get out in the garage after the new year and take a look. Any suggestions for finding a stock benchseat?
