Bought a Ford
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Elder User
Joined: Aug 2006
Posts: 813
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From: Hewitt, Minnesota
Bought a Ford
An 83 F150 300-6 3sp/OD manual. I have no clue on that trany so any help is appreciated. Shift pattern is as follows
R* 1*3
|__|_|
***|*|
***2 O
Good? Bad? Also the truck misses at low RPM. Doesn't do it at hyway speed. Also it does not seem to do much more then annoy me. No noticeable effect on performace. Reverse takes getting used to. I also wish it wasn't geared so high. I miss The low range of a 4X4. It's a get by 'til I can afford something better.
It was an county owned truck at some point in it's life.
Thanks in Advance
R* 1*3
|__|_|
***|*|
***2 O
Good? Bad? Also the truck misses at low RPM. Doesn't do it at hyway speed. Also it does not seem to do much more then annoy me. No noticeable effect on performace. Reverse takes getting used to. I also wish it wasn't geared so high. I miss The low range of a 4X4. It's a get by 'til I can afford something better.
It was an county owned truck at some point in it's life.
Thanks in Advance
Senior User
Joined: Dec 2003
Posts: 153
Likes: 0
Simply put, junk! They are RUG trannies. They are car trannies, not strong enough for a truck. Way to high geared. They are great if you only drive downhill all the time. Will burn out clutches left and right. To far of a gap between 2nd and 3rd. 3rd is 1:1 ration and OD is .74:1. Used to have on in my 79 f150. Feathering the clutch caused the thrust bearing to go out at 25,000 miles and burned out the clutch at 38,000 miles. I was very easy on it and am a non abusive driver. Do plenty of searching on here and you will find many agree with me. I put in a NP435. They are bullet proof. Used in dump trucks and school buses. Many of them around. Can pick on up at any junk yard for around $100. Got a nice 6:1 ratio in first gear.
Posting Guru
Joined: Sep 2003
Posts: 1,192
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From: lino lakes, mn
I also had one in a 78 f150 it's really just a basic 3sp with 4th overdrive got great milage 18-22 hwy but if you are gonna haul alot it's a weak tranny. but it's ok if most of the
time your gonna drive it as a commuter and light hauling. The miss you discribe sounds like a bad plug ,plugwire or a vacum leak with the engine running pull each plug wire one at a time the rpm should drop replace it and go to the next til you find the one that doesn't drop the rpm thats the bad one to check for a vacum leak with the engine running at ldle spray wd40 or carb spray around the base of the carb and along the intake manifold if the rpm changes theirs your vacum leak
time your gonna drive it as a commuter and light hauling. The miss you discribe sounds like a bad plug ,plugwire or a vacum leak with the engine running pull each plug wire one at a time the rpm should drop replace it and go to the next til you find the one that doesn't drop the rpm thats the bad one to check for a vacum leak with the engine running at ldle spray wd40 or carb spray around the base of the carb and along the intake manifold if the rpm changes theirs your vacum leak
Senior User
Joined: Apr 2006
Posts: 105
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From: gloucester va
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