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Old 11-21-2003, 11:32 AM
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Smile TH 350 Direct Piston

Hello,

Anyone know where I can find a TH 350 direct clutch piston cut down for using 5 clutches pretty cheap? I would have the thick one I have cut down but it has a nick I don't like in the seal groove. By the way is it possible to cut a direct and/or forward piston(s) thin enough to use 6 clutches or would that 1st steel clutch plate notch fall out of the slots at the bottom of the drum where it has that groove in it? Looks like it may work but would be very close to running out of drum slot. I have a Pro Street Chevelle thats tearing up the clutch material on the directs when I run it with slicks so I need to try more than my current 4 pack.

Also whats to the trick I have heard about running a roller clutch from a th700 in a 350? I can't find any details anywhere on this one-just that its supposed to be a lot stronger.

Thanks!
Bry L

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Old 11-21-2003, 01:05 PM
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Cool

you cannot cut the piston down any father than the depth of the drum will allow. the botom steel will dis=locate from the grooves as you suspect.

the pistons are easy to cut down in most lathes.

.700 is the minimum thicknes of the piston for 5 frictions


so 6 frictions is not possible unless you get some thin frictions & steels.

the wider 700r4 roller clutch is the one in the center support, not the roller clutch on the direct drum.
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