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Can the 1&3/8" 10 spline input shaft be swapped with a 1" 10 spline input?
If so,... I figure the front input ball bearing ID may be different and would have to be changed too,
as long as the OD seat in the case was the same?

I called Novak to ask them this, Tech was a bit busy Friday.

Thanks good info!

Do the 1965 D300's have the Parking brake on the trans?

Does anyone know if the pre 69 D300's had the 1.375" diameter 10 spline input shaft or the 1" diameter 10 spline input, or were both optional depending on /6 or V8?
I'm thinking the 1&1/2 ton truck had the 1.375" 10 spline.

Hobcobble, is it the OD of the spring cage of the 23 disc that wont clear the ID of the pressure plate's ring.

712edf, If I can't find a fairly local 10 spine 435 (may go with a shipped deal but not yet) I may go the welded route.
Both sides of my 435 are cracked.

Found some good info reading the "NP-540 trans" thread. swptln said in the thread... "I don't think you have a 23 spline 435 on a hydraulic bell? The 23 spline input is too short for a hydraulic bell housing." Appears the pre 69, 10 spline hydraulic bells are longer. Makes sense now with the 10 spli...

Thanks BigBlockTrucks. If the 23 spine trans are ~4" longer than the 10 spine, and my 10 spline is ~1" longer than my 745 that came in the truck, that adds up to ~5" shorter drive shaft. Not to big a deal. Sound like the drive shaft angle could be then dealt with with the 23 trans mount and redo of ...

1964 D 100 225 6cyl 745 trans.

Was thinking of changing to a NP435 trans. My spare 10 spine 435 has long cracks down both sides of the case. Are there any 23 spline NP435's that have the same long pilot length & diameter that would work with a disc change?

Nice truck indeed.
Evangeline wouldn't have come from one of the Wallace & Gromit caricatures would it?

I've thought so since the late 80's but never had a situation where I needed to prove it .......yet.

Think that's the same bell I used on a 392 bout 30 yrs ago in my town wagon.

A project I'd like to get back around to someday.

Haven't been inside my 64 D100's column yet to see what it looks like, but does yours look anything like this one for a B-body? I cleaned it up, super glued it back in place, and added more material to box it in. Think i added some gussets upward also for a little extra help. Some of the aftermarket...

Sold a 4BBL intake about 13 yrs ago thinking I'd never have a /6 again, then bought a 64 D100 last November with a 6 & headers

Thank you Conrad. I will assume then, if the drum is stock replacement then the spindle, backing plate, etc, are factory? Another notice I saw on the drum was that the 4.5 bc were center of the mating surface and the 5" bolts were a little closer to the outer edge of that, suggesting that the 4.5" w...

Had trouble getting all the pic to stay loaded on that post so I'll try again with another post.

Edit: Pic's load and show with Preview, but only one after Submit.

Does this look like a correct 64 D100 front drum? The reason I ask is because I was told by the previous owner that the owner before him had put Chevy spindles on, and the truck has 5" bolt circle all the way around. IMG_3544 (2).jpg Well the rears don't seem to be much of a problem when it comes ti...

Thanks,...should be a few around.

Looking for info on the Big Block truck dipsticks. The one's that the bottom of the tube has a female flare & nut that goes into a brass 90* fitting that appears to bolt through the side of the oil pan.

What yrs/models where they used?
Where there different length tubes/sticks?

PwrWgnDrvr wrote:Yes, as John said, the close spaced 435 has 4 usable gears rather than the granny in the wide spaced units. Or better yet, find a 445, same gears but first is synchro. Not only is first usable, third is good to 60. Often found behind 383's.

Thanks PwrWgnDrvr for that info!

I had a flashback with that last comment.

"I love it and I need it
I bleed it yeah it's a wild hurricane
Alright hold tight
I'm a highway star"