1982 F100
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1982 F100
Hey all,
New to the FTE site.. But I have a question. I am a student, working on a project. Now, the State of Hawaii Dept. of Education has an old F100 carbureted 300 CID. It has a 4 speed manual, the clutch is gone. To make the truck move is a pita stalling is quite frequent. Timing and idle is set good, only got 60,000 mi. Can the rear end gearing be too high? or is the clutch that bad? Is it an issue in those years? And yes I can drive manual quite proficiently.
Thanks,
Jack
New to the FTE site.. But I have a question. I am a student, working on a project. Now, the State of Hawaii Dept. of Education has an old F100 carbureted 300 CID. It has a 4 speed manual, the clutch is gone. To make the truck move is a pita stalling is quite frequent. Timing and idle is set good, only got 60,000 mi. Can the rear end gearing be too high? or is the clutch that bad? Is it an issue in those years? And yes I can drive manual quite proficiently.
Thanks,
Jack
FTE Legend
Joined: Jul 2010
Posts: 32,875
Likes: 48
From: Northeast, OK
I would think that killing the 300 because the clutch is bad would be difficult to do. That engine has excellent torque at low RPM when running correctly. Ford did put very tall rear axles in some of these trucks, and you would have to slip the clutch some to get them rolling. Go to my web site, link in my sig, and find the certification label decoder. (I can't get in right now to give you the link.) The look on the door post and decode the cert label to find out about the axle ratio, and other things.
Lead Driver
Joined: Jul 2009
Posts: 6,477
Likes: 19
From: Sheffield, AL
I drove a 1984 F150 with 4.9L, 4 speed manual O.D. and 2.47 rear gears for years. Yes, it is geared very high [for gas mileage], but was not prone to stalling. What do you mean by "the clutch is gone"?
Welcome to the forum!
Welcome to the forum!
Postmaster
Joined: Aug 2010
Posts: 2,554
Likes: 7
From: Northern Arizona
I just recently acquired a 1981 F150 straight six T18 four speed manual that has 2.75 axle gears and 31x10.5 tires. Second gear starts are just fine. A little more clutch slip than I'm used to on my F250's and F350, but no stalling at all.
Moderator
Joined: Nov 2007
Posts: 22,415
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From: Denver Metro Area, CO
I guess it's conceivably possible for a broken clutch assembly to stall the engine, but I'd have a hard time believing a merely worn-out one is.
So, I guess you're not gonna really know until you replace the clutch and remove that variable from the equation, then go down the engine path if there's still a problem.
So, I guess you're not gonna really know until you replace the clutch and remove that variable from the equation, then go down the engine path if there's still a problem.
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