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Hydrolic clutch conversion! very slick!!!

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Grim-Reaper, May 7, 2001.

  1. Grim-Reaper

    Grim-Reaper 3/4 ton status Author

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    Was talking to a Jeep buddy on the IRC and he was telling me about the way he adapted the SM420 in his jeep to a hydrolic clutch. This is slick! it's a pull slave cylinder and he adapted to work on a stock manual linkage. This should work fine on 465 because the basic set up is the same. The part number for the slave is Wilwood 340-1470 That company makes stuff for street rods and it's pretty good quality stuff.
    [​IMG]
    [​IMG]
    What he did is made a bracket off the PTO cover as a mounting location for the one end. the other end attaches to the stock fork.

    Diging it in the dirt with my K5's
    Grim-Reaper
    <A target="_blank" HREF=http://grimsk5s.coloradok5.com/>http://grimsk5s.coloradok5.com/</A>
     
  2. Depdog

    Depdog 1/2 ton status Author

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    Thats damn slick, I like it. Might just have to do that.

    Are you going to meet us on Friday to head up or just meet up there?

    Depdog

    <font color=blue>Weenie K5, little mods' Small Tires!</font color=blue>

    <A target="_blank" HREF=http://depdogsk5.coloradok5.com>http://depdogsk5.coloradok5.com</A>
     
  3. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    Thats a sweet set-up Grim! I've always wanted to have a hydraulic clutch but its A) a big job B) hard to find all the factory parts. This looks doable without removing the tranny and T-case.

    Any idea what they used for a clutch master? I guess that part could be done with factory pieces...

    Rene

    [​IMG]<A target="_blank" HREF=http://jules.coloradok5.com>http://jules.coloradok5.com</A>
     
  4. Grim-Reaper

    Grim-Reaper 3/4 ton status Author

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    He said he got a Willwood master also but couldn't find me the part number. The Jeep stock unit used a pancake slave and the master didn't moove enough fluid to run that one. He said it cost him right at $140 for all the parts he needed. He fabbed up the bracket himself.
    I figured a stock master from a newer truck might work. The GM trucks have a good size master so it should move all the fluid needed.

    Diging it in the dirt with my K5's
    Grim-Reaper
    <A target="_blank" HREF=http://grimsk5s.coloradok5.com/>http://grimsk5s.coloradok5.com/</A>
     
  5. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    Thanks Grim.[​IMG]

    Rene

    [​IMG]<A target="_blank" HREF=http://jules.coloradok5.com>http://jules.coloradok5.com</A>
     
  6. Grim-Reaper

    Grim-Reaper 3/4 ton status Author

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    Dep:
    Not sure yet. With all that has happend the last couple weeks I definatly need to be home Sunday for mothersday. I have Friday off for this but again I missed a lot of work and almost feel bad taking another day so soon. I did get out and work on the truck yesterday, sick even, just to make sure it's ready to go. Had a major tranny leak that I hope is just the pan gasket. Got it buttoned up about 9pm last night but have driven it yet to be sure it's solved. Replaced a bad u-joint and lubed it. Got to throw some plugs in it this week and see if that cures a miss it has. Probably needs a cap and button also but thats no big deal stuff. Try to work on that tonight.
    Have to play it by ear. I may just meet you Saturday morning at the pay box and ride for the day and head home.
    What trails you planning on running Saturday? I will have my 79 Non Dying out on real steep hills carb this week but need to go through it before I install it. May not get it soon enough to get it on the truck and test it. So If I get on the steep stuff and it dies I'll need a tug.

    Diging it in the dirt with my K5's
    Grim-Reaper
    <A target="_blank" HREF=http://grimsk5s.coloradok5.com/>http://grimsk5s.coloradok5.com/</A>
     
  7. Depdog

    Depdog 1/2 ton status Author

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    Not a problem on the Tug or winch. I guess we will try for the Harder stuff on Sat. You know more about what a K 5 will fit on than I do. I want to do some or all of 2 if we can fit them. Also 9 again. Then whatever else we can get if we have time.

    Sunday will be up for grabs.

    Depdog

    <font color=blue>Weenie K5, little mods' Small Tires!</font color=blue>

    <A target="_blank" HREF=http://depdogsk5.coloradok5.com>http://depdogsk5.coloradok5.com</A>
     
  8. BIGJ

    BIGJ 1/2 ton status Author

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    Here is a setup we did on a 72 blazer with a SM465 tranny. The master cylinder and slave cylinder came from afco racing <A target="_blank" HREF=http://www.afcoracing.com>http://www.afcoracing.com</A>. We did the whole setup for about $130.00 or so. The bracket for the slave cylinder was made out of 1/4 inch plate. Here are some pics.

    [​IMG]

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    [​IMG]


    BIGJ
     
  9. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    Hey BigJ...geocities links don't work. I cut and pasted to see the pics though. Looks cool, but what are you using for brakes? There doesn't look to be enough room for a booster anymore...[​IMG]

    Rene

    [​IMG]<A target="_blank" HREF=http://jules.coloradok5.com>http://jules.coloradok5.com</A>
     
  10. BIGJ

    BIGJ 1/2 ton status Author

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    Pics don't work? They showed up fine in the preview, oh well, sorry about that. The booser on a 72 is further away from the body, but if you needed to, the clutch master cylinder could be moved over to clear a larger booster.

    BIGJ
     
  11. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    Cool, do you have any part numbers?

    Geocities blocks image hosting now...

    Rene

    [​IMG]<A target="_blank" HREF=http://jules.coloradok5.com>http://jules.coloradok5.com</A>
     
  12. BIGJ

    BIGJ 1/2 ton status Author

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    Let's try the pics one more time.

    [​IMG]

    [​IMG]

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    [​IMG]

    AFCO part numbers:
    Master Cylinder #CN701-3/4 $49.95
    Slave Cylinder #CN305-G $62.65
    You can buy an adjustable pushrod or make your own.

    BIGJ
     
  13. Grim-Reaper

    Grim-Reaper 3/4 ton status Author

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    Sounds good. Quite honestly A lot of Tellico that I have been to I was a passenger and it was my first ride so it's been a while. Seems the last 4 times I went I ran the same trails. we ran last go around. Now I'll do upper 2 but I'm spectating lower hahaha. If we go up lower 2 I can pretty well garantee My carb will give me a fit on the last section on that steep climb. Fair warning If we go down upper 2 there is a tail light eating wall. Just break out the screw driver and take out the light. It gets not only the fender at the light it got me a dent above the wheel well. Titanic swears he can do it in the sub without ripping out the side. it may be a wheel base thing. Haven't tried going up it. Might not be that bad but it's a real slick area.
    It's been atleast 2 years if not longer since I been on 9. that might be fun. I ran school bus up till the last turn and walked the actual hard part. Getting up to it is no big deal. just a lot of overgrowth that your dragging on and a few tight turns. I don't think the actual School bus section can be done in a full size. I rode up it in a FJ40 and it's got some real pucker factor. you got to put a tire on a wall and that leans you into a HUGE boulder. Jeeps are taking body damage at the door opening. Full size is going to loose half the side of the truck. I walked Helicopter pad....NO WAY I'm trying it. I have seen a lot of pictures and watch some vids of Jeeps rolling on it. NONE of the pictures and vids can convey how bad that booger is. Gard rail I haven't been on. All the vids I have seen it looks REAL tough.
    Now there is a good possiblility that it has all changed. Last day of Dixie Run we caught up to a crew that was putting in water bars. They really took a lot of the tough out of some areas. the 4-6 loop was almost a cake walk and there were so many water bars it was getting tedious. I'm sure they have leveld out some in the last 6 months. That will be the easiest loop to run for sure. Not sure what all areas they were going to do. Big J Bear was up there in January but I'm not sure what trails he ran and what kind of shape they were in. They may well have graded a lot of trails and lowered the severity. I do know there have been a couple work weekends where they were filling in some bad areas that were erroding. The new bridge on 6 was a mess and it was a climb up to the bridge. Funny that before the bridge in it was no big deal. Now it's a mess on either side. They were talking almost impossible to navigate. They had people bouncing off the bridge and all sorts of problems. They were supose to run Southerns Duce back there with a load of rocks to try to stabilize the area about 2 months ago. I'll dig out the map and see what I can rmember.

    Diging it in the dirt with my K5's
    Grim-Reaper
    <A target="_blank" HREF=http://grimsk5s.coloradok5.com/>http://grimsk5s.coloradok5.com/</A>
     
  14. michaelm

    michaelm 1/2 ton status

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    [​IMG]
    [​IMG]

    i guess i took the easy way out using all chev parts. it was real easy as i was putting 87 cab on my old 77. there was some work as the new cab was 2wdr auto. i even bought the bellhousing new as i wasnt sure about wreckers
     
  15. Depdog

    Depdog 1/2 ton status Author

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    Grim, I just sent out another Tellico Mail with some meeting directions for Friday, let me know if you can make it. Also, can you re send me the info on the campground. I had to re format my puter and lost all that stuff.

    Depdog

    <font color=blue>Weenie K5, little mods' Small Tires!</font color=blue>

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  16. bigjbear

    bigjbear 1 ton status Staff Member Moderator

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    (O/T) Our club had a run in January, we split into three groups. I ran 4,5,6 & 8. It was slick with snow and ice but very doable. We stopped on 8 where 9 comes up and meets it, then walked down to watch the carnage. There were 4 trucks on that ride & all broke something. CJ-5: blew a front EZ-Locker; YJ: wrecked one bias ply Baja Claw & pop the bead on another; TJ: blew two Warn hubs on his FF converted rear; 72 Chevy P/U (Rob's green one from last years CK5 trip): burned up a Ramsey 9000 Platinum winch. Rember that was in the middle of a snow storm, so it might be easier this weekend. Pics are the "Winter Maddness" page on my site.

    Jim '80 GMC
    Freedom First!
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