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T18 to NP435 swap question?

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Re: T18 to NP435 swap question?

ArdWrknTrk wrote

Easy enough to tell.
T-18/19 have a cast iron lid.

The NP gearboxes were aluminum.

NP435 gearboxes were cast iron, weren't they? And just the top was aluminum? Maybe that's what you were saying, but it wasn't clear to me. Or maybe I'm wrong...

Bob
Sorry, no '80 - '86 Ford trucks
"Oswald": 1997 F-250HD crew cab short box, 460, E4OD, 4.10 gears
"Pluto": 1971 Bronco, 302, NV3550 5 speed, Atlas 4.3:1 transfer case, 33" tires
"the motorhome": 2015 E-450-based 28' class C motorhome, 6.8L V-10
"the Dodge": 2007 Dodge 2500, 6.7L Cummins

ArdWrknTrk

Re: T18 to NP435 swap question?

Administrator

Yes, just the lid was aluminum.

Sorry if that was unclear.

Jim,
Lil'Red is a '87 F250 HD, 4.10's, 1356 4x4, Zf-5, 3G, PMGR, Saginaw PS, desmogged with a Holley 80508 and Performer intake.
Too much other stuff to mention.

FuzzFace2

Re: T18 to NP435 swap question?

Thanks guys all good information.
I think he said it was a slip yoke like my T18 but will recheck on that.
I also am pretty sure the measurements will be close and that the cross members are the same between the to transmissions just not sure on the rubber mount.
I will also ask for more pictures to make sure it is what he said it is.

I was also told of a SBF ZF5 for about $350 and a lot closer but it was for a 92> and did not see a spot for the speedo cable but the price is great.
It does not have a slip yoke so for sure new drive shaft if I was to use it.
It also does not come with pedals, cross members, and think other thing or 2 so I have passed on it.

I have not heard back on the measurements yet but I did tell him no rush and it sounded like he was away from home so too.

I also could not go for it till next weekend as the wife wants to take a ride and the fur kid sitter cant do it this weekend.
Dave ----

Dave G.
81 F100 flare side 300 six / AA OD / NP435 / 2.75 gear
http://cars.grantskingdom1.com/index.php/1980-Ford-F100?page=1
81 F100 style side 300 six/SROD parts truck -RIP
http://cars.grantskingdom1.com/index.php/1981-Ford-F100

FuzzFace2

Re: T18 to NP435 swap question?

Looks like I will be getting this NP435 just waiting on the seller to give final ok and address.

I do have some (more) questions,
My T18 and the NP435 are slip yokes and from measurements are really close in size but ...
Do they share the same out put slip yokes? 81-T18 86-NP435 I am trying get the yoke and maybe a drive shaft.

I am getting the bell housing, less fork as he cant find it. I think the bells are the same between the 2 transmissions face to face. I know the 88 uses a juice clutch and mine linkage so I plan to use my bell & linkage as it is all rebuilt and new clutch assy.

Will my new spot on speedo cable gear work with the NP435, both have the speedo hole on the left side of the tail housing.

Also need to reuse my rubber mount as I did not see one in pictures hope mine works.
Thanks for any information you can give.
Dave ----

Gary Lewis

Re: T18 to NP435 swap question?

Administrator

Dave - I don't think I can answer the question regarding the yokes. But maybe you can. Go to Documents/Driveline/Driveshafts and then go to the Application Chart tab. Scroll down to find your two applications and note the # in the Yoke column. Are they the same?

But the speedo gear should work fine.

Gary, AKA "Gary fellow": Profile

Dad's: '81 F150 Ranger XLT 4x4: Down for restomod: Full-roller "stroked 351M" w/Trick Flow heads & intake, EEC-V SEFI/E4OD/3.50 gears w/Kevlar clutches
Blue: 2015 F150 Platinum 4x4 SuperCrew wearing Blue Jeans & sporting a 3.5L EB & Max Tow
Big Blue: 1985 F250HD 4x4: 460/ZF5/3.55's, D60 w/Ox locker & 10.25 Sterling/Trutrac, Blue Top & Borgeson, & EEC-V MAF/SEFI

FuzzFace2

Re: T18 to NP435 swap question?

Thanks it is a go for getting the transmission and going to bed up at 1am for work so when I get home I will have to look over the documents.
I should be getting the slip yoke so other than how long the drive shaft needs to be I should be ok on the yoke.

It is also good to know the speedo will work after what we went thru to get it dead on, thanks again on that.
Dave ----

Gary Lewis

Re: T18 to NP435 swap question?

Administrator

I hope your trip goes really well and you and your wife have fun.

Gary, AKA "Gary fellow": Profile

FuzzFace2

Re: T18 to NP435 swap question?

Got back a little while ago.
Just under 1000 miles round trip from my house to just the other side of Atlanta GA.
On the way back we spent the night in Augusta GA then hit Myrtle Beach SC to see friends for a few hours then on home.

I looked the NP435 over quickly when I got there and it looked in good shape other than covered in grease.
No rust on the input shaft and the slip yoke was in the tail housing, shifter with boots was also installed.
Also got the clutch fork for the juice clutch, Pedal assy. for juice clutch so I have one and a drive shaft that may or may not work.

I will look it over better tomorrow as I am on stand by for work.
Got to get it out of my Durango as the trany stinks!
Then will see how I feel to start cleaning it and checking it closer before I install it.
Dave ----

Gary Lewis

Re: T18 to NP435 swap question?

Administrator

Glad you had a good trip!

Gary, AKA "Gary fellow": Profile