Hi all,

I decided against throwing in a new rear, so I'll keep my old rear (orig 6 cyl 71/4").

I'm going to upgrade to dual master cylinder with power assist and probably need to create new brake lines.

Now I was thinking of ordering a set of pre-bent 6 cylinder brake lines, but the trouble here is that I have a 8cylinder with dual exhaust.
The brake line is pretty close to the exhaust and therefore I'd love to use 8cyl prebent brake lines for this, but they're bigger in diameter.
There seems to be adapters but I don't know where to get them.
Do I need them at the master cylinder as well ? And yes, would anyone know where to get them ? (NPD don't have em)


or will I order 6cyl brake lines and bend them in a different way ?!. But for this I need to know: where are the brake lines for 8 cylinder dual exhaust running ?
where's the difference ?

Did anyone ever do that before ?

Kalli

 

youre running your 6 cyl rear with a v8?That shouldve been changed when the swap was done.Im guessing you baby it cuz it shouldve blown.For the lines...the way you want to do it should be just fine.Just make sure that the threaded ends fit the wheel cylinders out back.Also,do u have discs up front?

 

aye. V8 with 6cyl rear. babying the car as you say. not donutting the **** out of it ;-)
rear wasn't swapped during that. I just checked on pictures of original 6cyl brakelines (where they run) and it seems they actually did it proper (moving them away from the dual exhaust). If this is the case I might keep the hard lines as they are and just change over the rubber lines to proper things.
I don't have discs in the front and I can't put any there for the moment as this will put me down like 1000$. If I do a granada swap, I'll end up with different twheels in front and back.
Swapping the rear is a no go as I couldn't afford the shipping to europe (same as the price of a full car .... ) And as I like my wheels I decided to baby it and just go for 'security' (dual master) and power assist (for comfort)

If you have an 8" rear lying around which is in swimming distance from Ireland I'll buy it off you :-]

Kalli

 

Not true, you'd have to work pretty hard to break a 7.5" rear with a stock motor, especially with an auto trans. Doing doughnuts may help it along, but unless you are doing something like that, normal or even high-spirited driving will not break it.

That said, have you checked into the '62-'66 Ford Zephyr MkIII's? They were available with the 260 v8, so maybe you could get a rearend out of one of those. That model was particularly well built.

 

manual shifting here .. typical european ;-)
i occasionally do step on the accellarator. I'd say noone could help it. The small rear does hold up, but I'd say a few years down the road the pinion gears or anything else in there will give away

when I bought the car the rear was dodgy and I managed to drive it in such a state that it nearly fell apart (sounded horribly).
I got JMDs internals of a 66 stock 6banger. they are fine now, but I'm afraid to tune the engine only in the slightest

Anyway. I'll get out now to take a few pictures of the brake lines. See if someone knows if that's an 8 cylinder setup ...

Kalli

 

so here it goes:
there's a hard line in the tunnel of the car.
this hard line goes into the back rubber line. And this goes into a 4way distributor sitting on top of the rear axle.
2 rubber hoses and 2 hard lines connecting to it.
1 rubber line from front feeding the brake fluid
1 rubber line going straight up (been cut off throughout axle overhaul I guess)
2 hardlines, one to each rear wheel cylinder.

So the first question is,what is that 2nd rubber line for ?
(i'm not loosing brake fluid, i was bleeding the brakes all ok and the system holds pressure)

and the second question is:
is this a normal V8 setup ? I don't see the front rubber line being to close to exhaust.

and last but not least:
can I use them for a dual master cylinder upgrade ? i don't see a reason why not (i will replace the rubber line with a nice, shiny newone though)

any help is very much appreciated. I commented the pictures

Kalli

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[IMG]local://upfiles/52145/206AA3D3F30B4E3C8B7BC2694ECCDD5B.jpg[/IMG]

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[IMG]local://upfiles/52145/11EF24FD0329457F9E2DF99C460CFAAC.jpg[/IMG]

 

ps: check the pictures in the order bottom to top ... easier to understand then

 

Those 2 rubber lines should be joined, they should be one piece, but you could piece it together, it's just a vent. It looks like typical 6 cylinder stuff to me, but no reason you can't use it. Yes, a dual reservoir master cylinder will greatly increase safety as it isolates front and back, so if you lose one (an old hose busting) you still have some brakes.

 

The open line is just a vent for the rear axle - they all originate from the same location on the axle. I think the vent should actually terminate inside the rear frame rail (to keep the elements out).

The dual exhaust mustangs actually mounted the soft line in a different location than the single exhaust cars did. You can actually see the markings for the two locations in when you're under the car. Most of the mustang houses carry the rear dual exhaust lines.

 

The difference in the dual exhaust hose is that the "distribution block" is mounted to a strap that hangs it about 3" forward of the axle housing. For single exhause, the hose is the same whether V8 or I6.

The hard lines are different for an 8" and a 7.5" as the block is mounted closer to the carrier housing with one of them, can't remember which. Also, the hard lines are different for dual exhaust because they have to reach the relocated block. You are going to need to get hard lines for a 6 cyl car if yours need replacing, since you have a 7.5" rear (as evidenced by the bolt-on cover).

DriWash is right about the vent tube needing to be run to the frame rail, otherwise all the dirt that your car stirs up while driving could getup into the rearend. Actually the more likely is that the vent could get plugged and cause gear oil to be pressurized and lead to a leak.

HTH!