Ok, Here's one for the experts. The carburetor control arm on the left is a standard early one with two holes. So what do we have on the right? They are all the later single hole variety. I was getting ready to make some new ones and noticed i had three different lengths. The one in the center is the most common, but what were the shorter one and longer ones used for? Please give me your opinion
Saturday I disassembled a Kingston L4 and a Holley NH, noticing that the throttle arms were different lengths. My non-expert guess is that the control arm length needs to match somehow the lengths on the throttle lever, depending on what carburetor is installed.
Vern, That's a very good theory but i don't believe the answer. Ford would not have put that kind of restraint on production. Thanks
I've got this one that's 1 7/8" overall. I can't remember what column I took it off of but seems like it is longer than usual.
1 7/8 is the common length. The long one is 1 1/8
I have the steering column out of my '13 now, and am willing to measure it.
Perhaps relevant ? I changed the Holley "2-screw" on my '13 for a "G" and found the throttle rod to be a wee bit long now. Isn't that a Dodge Bros. forging mark on one ? Would that indicate it's an earlier make than some of the others ?
Larry, I could measure the OAL on mine if a comparison would be helpful.
I'm confused! They all have two holes.
The longer arm is for the Vaporizer.
I'm confused too. I was trying to figure out which one is in the "center".
The holes he is talking about are the holes for the pins that secure the arm to the rod. The early arms had 2 pins and the later had 1 pin.
The center one in the group of three on the right
I'll be your "straight man" Ray ! Some have one rivet through the column lever, some have two rivets.
The early ones have two rivets. The later ones have one rivet.
Why doesn't someone go to the Archives and do the necessary research instead of all this feeling around in the dark?
The early factory number is T-947. Get the latest print and a copy of the Record of Change Cards for that part number and track all the changes.
I just checked the one I had pictured against 5 others and they are all the same, one or 2 pin style. I remember now somebody had that on the spark lever and it was a lot longer than those.
Great idea Ron, Might be some of us that have never done that and would really like to know how.
Can we just goggle FMC Archives?
I'll check it next week when I'm there.
Just a guess, but I'd say the late arms changed more, because the early ones had a threaded adjustment on the end of the rod.
If it's any help, the superimposed HC forge mark is more common on 1915-16 stuff out here. The D with the F inside is later again.
Allan from down under.
Larry, Thanks for researching this for us. I know you'll get it right!
Anyone brave enough to ask the same question on the timer lever?? Alan
The Ford Motor Company archives can be googled by entering in 'Ford Motor Compamy Archives'. Don't know if it has the tech details and changes for T's. Didn't try it. If they could be I would think others would already doing it.
Alan, To my knowledge there were 2 timer levers, the early one with the bent angled eye and the later straight one. both were short
My thanks to the "purists" who make the time and the effort to research the sources. I will never be that far east with time to spend in that way.
I tried call you, but suspect you have already left for Dearborn. Hopefully you will see this?
If you going to do the research on factory # T-947 Throttle Rod Levers attached is the information (from Bruce's book)you will need to start research the subject item.
Notice there are eight different changes/dates to the factory # T-947 throttle Rod Lever print. These will be shown on the ROC cards for the part.
You will look at each dated print to see what changed.
AND you will have to look at factory # T-5003 (steering column) Throttle Rod. The end of the rod may have changes to accommodate the changes to part # T-947 Throttle Rod Lever.
This information may help to resolve the mystery about why so many different levers seem to exist and shown at the beginning of this thread?