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hydro master cylinder mounting location?

Pm me your addy I will send you a template that you can put on the firewall and cut one time...lol
I have one to go out for andy.
Unless you have a truck to copy it from (that is what I did) then just placed it on the firewall and cut it out..That way it is in the right spot.. /forums/images/graemlins/waytogo.gif
 
I am sure you know this but placement is 100% critical our the MC will leak in a very fast time span..
 
on Tim's truck there was a hole in the firewall there already, and everything appears to have lined up correctly. my 86 has the same hole that i plan on using when i install mine.
 
I pm'ed tim about it, I think I found the hole. I used it to run a bunch of wires thru, lol. Guess I will have to move them.
 
Um NO...lol
If it is a 85-87 cab then the hole that the wires go though isnt the right hole....It is close but no cigar..IIRC the hole you are thinking of has the cruise or wires like that in the hole..But that isnt the right MC hole.. /forums/images/graemlins/weld.gif
 
I have a 77 cab I put the wires there when I did the cab swap. I think it was the speedo cable hole originally. Just send me the template and I'll be fine, lol.
 
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Um NO...lol
If it is a 85-87 cab then the hole that the wires go though isnt the right hole....It is close but no cigar..IIRC the hole you are thinking of has the cruise or wires like that in the hole..But that isnt the right MC hole.. /forums/images/graemlins/weld.gif

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ok, so where is it?
 
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I pm'ed tim about it, I think I found the hole. I used it to run a bunch of wires thru, lol. Guess I will have to move them.

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That's exactly how mine was. Had to move the wires. This hole was plugged from the factory IIRC.

Right hole or wrong, the master certainly hooked up there and it works beautifully with no binding.

My cab is an 84.
 
In addition to mount the master anywhere else we would have had to weld up the firewall. There are two holes in it and if neither would work there is no way you could drill another and still have a solid enough firewall to mount the master.
 
good point Tim, and i think had we used the other hole, there would've been interference between the firewall boot for the column, and the MC body. of course, that might not be a problem for you, since you've got that extra 3/8" hole in the firewall. /forums/images/graemlins/whistling.gif
 
The issue that I feel we might have had is that the rod for the master wouldn't reach the pedal unless it was really close.
 
I went ahead and stuck it in there to see what it looked like and it mounted to the peddles exactly the way it should, hell it almost went on the pedal post by itself when I went to check it.
 
it gets tricky when 1/2 the posters are talking about the newer cab
 
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it gets tricky when 1/2 the posters are talking about the newer cab

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So the hole that everyone is referring to in the 85-87 cab is a no go or what?
 
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