Nailhead experts needed, what pressure plate will fit this flywheel???

I have a 322 Nailhead and I will be running a 39 Ford trans.
What puzzles me and Jimmy White alike (I've asked him, and he didn't know either), is what pressure plate will fit this 322 nailhead flywheel.
Problem is, the flywheel has this groove (5/16" wide, 1/32" deep).
Can anybody help???
Thanks, Chris

 

Don't worry about the groove, just get a disk that goes as close as possiable to the groove. Flywheel is drilled for a Borg pattern cover also can use the GM diaphram style. I have seen flywheels grooved like that before , poss. indicator not to reface p***ed the groove??

 

Thanks, so the six holes are 11 5/8" on center (measured across the center), and the pressure surface is 10 1/8" diameter. So a 10" disk, and a GM diaphram pressure plate should work???

 

G M Diaphram Pressure plate will not work with your 1 3/8" T.O.brg for the "39 gearboxThey are for a 1 1/8". You'll need a Merc Borg & Beck...Or your local rebuilder can put the merc fingers in a Chev P P

 

That looks like a '54-'55 264 flywheel to me. I've had a few factory standard shift 322 flywheels, and they all took an 11 inch clutch, and also were stepped (the area where the pressure plate bolts to it is on a higher plane than the disc surface).

 

If the flywheel, is for a 264, does that mean, I wont work on a 322???

 

No it won't ,,something about how they are balanced

 

i thought you could use the 11" ford truck pressure plate and friction disc. And redrill your stock flywheel, but you need a pilot bearing adapter. No the 264 flywheel will not work on a 322

 

Damn, just bought that thing too. Can anybody positively identify, that this flywheel is for a 264, please????? If thats the case, I'll have one custom made, I guess.
Thanks, for all the answers, so far.

 

It is a 264 flywheel and will not work on a 322 unless balanced for that engine. I just installed this same flywheel on a 264 and had it redrilled for a 10" Ford pressure plate and used a 10" Ford clutch. The whole thing is mated to a 4 speed granny gear ****** in a 51 F-1.
Willie

 

are the 264 and 322 balanced externaly? 364's were balanced internally but 401 and 425s were back to being balanced externally but still used the same flywheel.

use a early ford truck psi plate and disc and redrill the flyhweel to match.

jeff

 

Externaly balanced front and rear