anyone done a hydro clutch conversion on a late 70s ford? - Pirate4x4.Com : 4x4 and Off-Road Forum
 
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Old 08-09-2009, 02:40 PM   #1 (permalink)
mj
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anyone done a hydro clutch conversion on a late 70s ford?

anyone done a hydro clutch conversion on a late 70s ford?

I think the pedal side looks pretty easy but the bellhousing side is a mystery.

1- is there a hydro throwout bearing available for the np435?

2- is there a factory external bellhousing for the np435 behind an M that I can hunt for in the wreckers?

3- any links to well done conversion appreciated.
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Old 08-09-2009, 06:45 PM   #2 (permalink)
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I beleive you could probably use one like this on the right. It came off of a t-19 that was behind a diesel in a 84 f250.

If you want more pictures of the slave cylinder I can get them for you.

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Old 08-09-2009, 07:03 PM   #3 (permalink)
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diesel bell has a different pattern from what I have read
I have read on other forums there was some depth differences in the 460 version from the M, I take it as unproven cause it wasnt on here subject to real scrutiny
thanks for the image
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Old 08-09-2009, 09:16 PM   #4 (permalink)
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A bell for a 84+ 4 speed 460 should work. They use a linkage type clutch fork with a slave cylinder attached.
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Old 08-10-2009, 06:30 PM   #5 (permalink)
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If you look at the stock setup for a small bolck hydro clutch bracket, its pretty easy to replicate. two of my buddies have done this for M bellhousings, to swap 400's into 90's trucks, however I have no pictures..


I did mine a bit different...
As I used a M bellhousing behind my 90' 460, which needed a 1/2" spacer to make the bellhousing fit.

When I made the spacer, I made a tab stick out from it long enough to later torch out for the slave bracket.


Here you can see it mounted up, I also welded part of the old small block slave bracket on to it, for the clip to hold on to.
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Old 09-13-2009, 08:23 PM   #6 (permalink)
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pedal side seems to work out good using 80s ford f250 parts with a Russel AN-03 adapter
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Old 09-13-2009, 08:37 PM   #7 (permalink)
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http://www.cncbrakes.com/sc.asp?grp=...305&subseries=

anyone tried these?
ID is a bit smaller then factory ford stuff but mounting looks easier
any P4x4 vendors for CNC stuff?
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Old 09-13-2009, 10:58 PM   #8 (permalink)
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Quote:
Originally Posted by Hickfied View Post
A bell for a 84+ 4 speed 460 should work. They use a linkage type clutch fork with a slave cylinder attached.
I believe the depth of that bell housing won't let the input shaft reach the pilot bearing on the 351M/400/335 series engine. I can get measurements to verify this in a day or 2 unless someone has the Al 84-up 460 bellhousing handy.
About the master cylinder: be sure you reinforce the firewall with a plate inside of where you mount it. This is important.
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