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what speed on the highway? if its going to be signifigant milage and speed then figure your tire size and back track from there on the rear gear.... just a suggestion
Fert
I want to cruise at 80 all day long if possible. I have 275/45R20 on it now.
Seems like I have an FMX trans in my 1979 B100! Thought it would be a C4 or C6! Are we sure the engine is a 302? The head gaskets for the new four barrel I take manifold had to come from a 1975 model when matching the gaskets up at the parts store. Here
are some pics of the engine and trans now.
For me, the quickest way to tell a 302 from a 351 is the lower thermostat bolt. On a 351 you can get on it with a socket and extension over the top of the timing cover. On a 302 you can't as the lower T-stat bolt is down lower behind the timing cover. It looks like you have enough of the emissions decal to find the year on it.
My 77 shop manual lists the FMX as a choice for Ford trucks. I suspect it would only be for F100 and 150. I think it was phased out around 80-ish. My Galaxie 500 had that same transmission up against a 289. I had to change the vacuum motor on the side of it. Other than that, I never had any problems with it. Changed the fluid/filter at the beginning of every summer. The car had almost 200k on it when I sold it and it still shifted nicely.
The FMX is a great transmission, just heavy, that is usually the reason people don't use them. But in the case of a truck, weight is not usually an issue.
If you're not happy with the findings then I'll buy the B100 and that'll be that...
In all seriousness, it is possible that the engineering numbers starting with E4 are original to your transmission and just carried over for a number of years after being put into production.
Everything else seems to appear original and untouched, modified or jury-rigged.
She looks in great condition underneath and that oil coating, or undercoating helped to save her from the revages of time to the metal.
On a side note (observation), am I seeing a weld bead on the aluminum tail shaft mount flange for the transmission mount?
Man that is such a nice truck, its amazing how many Ford offerings there are. I worked in Afghanistan for years we had Ford crewcab rangers 4WD and diesel powered awesome little rigs.
For me, the quickest way to tell a 302 from a 351 is the lower thermostat bolt. On a 351 you can get on it with a socket and extension over the top of the timing cover. On a 302 you can't as the lower T-stat bolt is down lower behind the timing cover. It looks like you have enough of the emissions decal to find the year on it.
another way is the 351w is little wider been around them awhile you can look and tell by how,wide,
If you're not happy with the findings then I'll buy the B100 and that'll be that...
In all seriousness, it is possible that the engineering numbers starting with E4 are original to your transmission and just carried over for a number of years after being put into production.
Everything else seems to appear original and untouched, modified or jury-rigged.
She looks in great condition underneath and that oil coating, or undercoating helped to save her from the revages of time to the metal.
On a side note (observation), am I seeing a weld bead on the aluminum tail shaft mount flange for the transmission mount?
I’m happy with it. It’s been “fun” getting deep into restoring things and then when you have the trans tailshaft seal out you find that for the umpteenth time the pets store gave you the wrong part again!
That is a weld bead. Not sure what the story is there! It’s a one owner and all original.
Bill, nothing is impossible. As someone once said, there are always possibilities. I'm pretty sure that tranny was not original to that car (just as some of us make similar discoveries about our trucks today... this B100 being a good example). I know for sure the PO had pieced that car together from other cars (mainly because he told me so). He had several other Fords behind his shop... so that tranny likely came out of something else. The first time I changed the fluid, filter, and gasket, I had to return to the store because what they looked up at the parts shop would never fit. I was told "your car should have FX transmission." Finally, after several tries, I was able to match up the FMX filter/gasket with my car. After that, I would always ask for an FMX filter/gasket and never have to look back.
Bill, nothing is impossible. As someone once said, there are always possibilities. I'm pretty sure that tranny was not original to that car (just as some of us make similar discoveries about our trucks today... this B100 being a good example). I know for sure the PO had pieced that car together from other cars (mainly because he told me so). He had several other Fords behind his shop... so that tranny likely came out of something else. The first time I changed the fluid, filter, and gasket, I had to return to the store because what they looked up at the parts shop would never fit. I was told "your car should have FX transmission." Finally, after several tries, I was able to match up the FMX filter/gasket with my car. After that, I would always ask for an FMX filter/gasket and never have to look back.
But you made no mention of this FMX swap in post #124. All you said was that your 289 Galaxie had a FMX, but that would have been impossible as original.
I can’t get my mirror heads to stay in place. I even wrapped electrical tape on the mirror bar under the clamp bracket and they still move. Does anyone know what the vertical dimension is between the upper bracket holes and the lower bracket holes are on this type of replacement mirror? I don’t want to have unused holes in my doors.
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