I have been presented with a great oportunity! I have a 66 F-100 inline 6. It has a NP 435 trans. The whole thing needs refreshed. It is however serving well as my DD. I have a friend who has offered a 90 E250 van with a 300 Iinline 6 and an automatic. They are both 2WD.

Will the twin I-beam from the van readily bolt to my 66? This (along with the D60 would give me 3/4 running gear) gains power disk brakes, possibly power steering?

Does any one have a clue as to what auto trans it has. It is kind of rectangular with a corner missing.

This project really excites me. I have a lot of ideas about doing it. I need help with some info/answers before I rip a rig to shreds for parts!

TIA Todd

 

No E and F series I beams interchange. But Later F series to 79 discs/spindles will bolt on giving you the same upgrade.

Are you sure the I6 has a 435, Tyoically they were reserved for 250s and 4x4s. F100s recieved the lighter duty T18. Or was the rens swapped in?

Post the transmission code of the warrranty plate located on the drivers door.

Garbz

 

For starters the van will be fuel injected. Unless you have everything to convert the 300 to a carb, you will have set your truck up for EFI and that would take time and $$$$. The trans might be an overdrive trans, I do not know that one. Whether it bolts up to the truck is questionable, and at minimum, I'd guess you'd be looking to change the length on your driveshaft. Millions of little details.... While the intentions are good, that van really isn't going to help you much.

 

I thought the motor would be a good spare candidate for rebuild. There is really no room to see squat in there. If it is a fuel injected 300-6 then I presume there is no way to put an early mechanical fuel pump on it? Would the cyl head be worth keeping as a rebuild project. I like to have spares! It is a sickness.

Yeahh, I am positive my 66 has a NP 435. Says so right on the trans. It was BTW swapped in by the PO to replace the 3 on the tree behind the original, smaller I-6.


I know I will need to change drive line lengths. To me that is no biggie. I am unapposed to using the I-6 I am currently running in the truck.


Bottom line is I want to rebuild my axle and trans. I want PS and power disc brakes. I could do lots of it out of the tuck and not have much down time if good rebuilt parts were ready to install!

Garbz2, are you saying I can use the spindles from the van with my I-beam?

Todd

 

You cannot use the anything from the Vans front suspension. The F100 uses equal length king pin beams and the van uses unequal ball joint beams.

 

You can physically put the '90 300 & auto in there, depending on how you want it set up will take some adapting. As far as I know, all 240/300s use (can use) the same engine mounts & you could probably get a driveline shop to make you a driveline to adapt to the auto.
The real question is what you want to do with the engine & tranny.
You can go the carb route with a little work. Keep the EFI exhaust manifolds & use a stock or aftermarket intake. The fuel pump is a little trickier as the later (EFI) blocks did not have the hole for the mechanical pump. However, the lobe is on the cam as well as the cast-on mounting boss (with drilled & tapped mounting holes). Either go with an aftermarket electric pump, or drill out a hole for the mechanical arm (both have been done, just drop the pan if you're going drill!). Convert to a different ignition system (points, duraspark, or aftermarket) & you'll be good to go. Just keep in mind that the EFI head IS different than the carb head & so you have to time the engine differently or you will burn a piston.
If you want to keep the EFI, you might want to consider an aftermarket kit, such as Megasquirt (I think thats what its called). Not sure if people have used the stock EFI in an older vehicle like yours. If you can get it to work, that would make an interesting post as to how you did it.
As for the auto, like I said, you'll most likely be able to get a driveshaft built to put it in. However, if it is one of the electronically controlled trannys, you might need to get creative with your wiring. Being as the 300 uses the same transmissions as the 302/351, there might all ready be a way to swap these in. I honestly don't know as all of my vehicles are manuals (or will be anyway).
Hope all of this helps.
Edwin

 

sounds like way more trouble than it is worth. I do need to find out what trans is in the van. It seems the auto mated to the 300 is not all that popular. I will however pick parts that I know are usable.

It is just hard for a junk collector like myself to pass on such a deal.

The alternative: Put my cab and bed on the 3/4 ton chassis with my carbed motor and roll? What will I run into with this other than body mounts and having to shorten the wheel base? Is the axle width close enough to the same?

Any thoughts?

 

I am not 100% sure, but I think the van's track width is quite a bit wider than your truck. Trying to swap onto the van's rolling chassis would be an adventure. It'd be a whole lot easier to just rebuild what you are running now. Just let it go man...let it go...

 

You seem to be facing a huge obstacle for very small gains.

 

That is the story of my life?! I guess I will play with the spare 9" stuff I got and rebuild the 435. Disk brake upgrade, even in the aftermarket would be less expensive and less down time.

I hate to pass on free junk!!