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Clutchflite 904?
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Author:  greasy 225 [ Mon Oct 20, 2003 11:42 pm ]
Post subject:  Clutchflite 904?

Is it possible? I need to rebuild my 904 in my 62 Valient and was thinking about the 727 clutchflites, anyone build one outta a 904? I wouldn't build it like the old ones, but have a valve in line someplace and a clutch pedal. Ive seen something similar for the GM powerglides and was wondering if it could be done on a 904.
-Jesse

Author:  Doc [ Tue Oct 21, 2003 9:31 am ]
Post subject: 

I have never seen parts for a 904 clutchflite, my guess is that you need all the size and strenght you can get went "dropping the clutch" into an automatic trans.
If you really want to do this it may be best to start with an RG727 (Slantsix 727)
DD

Author:  Rick Covalt [ Tue Oct 21, 2003 4:28 pm ]
Post subject:  Will it last

Doug,

Do you have any idea of the life span of a clutch flight as compared to a regular clutch and 4-speed set-up. Thinking of behind a slant six with slicks.

Rick

Author:  james longhurst [ Tue Oct 21, 2003 5:08 pm ]
Post subject: 

well, you have the right idea for a racer. the pump drive on my clutchflite doesn't look real tough for a street driven car. the big thing here (like doug mentioned) is that most "real" clutchflites use the hemi drums which are overkill behind a slant and would slow it down compared to a similar trans with the smaller/lighter drums from a rg727 or even a small block 727. as far as durability for the rest of the trans, a slant probably won't harm it although the clutch willl be a big shock to it.

-james

Author:  Charrlie_S [ Tue Oct 21, 2003 6:05 pm ]
Post subject: 

I would almost bet, with the converters available today, a beefed 904 with a good race converter, would be quicker than a CF. I had a CF behind a 440, back in the '70's. Had to adjust the bands every week, and we went through the trans about every 40 runs.

Author:  slantzilla [ Tue Oct 21, 2003 8:24 pm ]
Post subject: 

The single most important part when doing a Clutch-Flite is a good trans shield. New feet are hard to come by.

I gotta agree with Charlie. Converter technology has improved so much that there really isn't that much advantage to a clutch anymore.

Author:  greasy 225 [ Wed Oct 22, 2003 12:21 am ]
Post subject: 

It's just a thought, I'm going to make my 62 into a 60's A/FX car(only with a slant vesus a B motor). I'm not talking about a 'true' clutch flite(no clutch), but similar to what dirt trakers use, a valve that blocks fluid pressure and when releaseed fluid can continue on. I know how they work ina GM application but not in a Mopar. There are two plugs in the face of the pump, put high pressure lines with a ball valve in it and you have a on/off switch for the pressure(the pressure is always there, when you "dump" the clutch it engages the tranny, all this versus a converter.
-Jesse

Author:  Doc [ Wed Oct 22, 2003 9:44 am ]
Post subject: 

Sounds like you could get a converter company to make you a "low stall / no stall" converter and then just neutral drop the trans. at the starting line. :shock:

Be sure the converter drive hub is a strong one and you will need strong parts inside the gearbox, a bolt in sprag and a trans shield would also be a good idea.
DD

Author:  Charrlie_S [ Wed Oct 22, 2003 2:59 pm ]
Post subject: 

Boy, I sure would like to see someone "creep" into the staging beams with a setup like that. Beside, I think the starting line people would not let you do a 2nd neutral drop start.

Author:  Charrlie_S [ Sat Nov 08, 2003 7:03 am ]
Post subject: 

I was at the Don Garlits show last weekend. There was a fellow there, selling a"Fairbanks" 727 clutchflite. Said it is "new". Wants $550.00. Might be able to haggle. I have contact info if any one is interested.

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