Granada questions, not just brakes.

65ShelbyClone · Jan 6, 2006

I picked up my '74 Maverick MC and '78 Granada tie rod ends today, so now I'm just about ready to do the swap. A few questions on the brake swap first and yes, I did search:

1. How does the Granada prop valve differ from my stock drum/drum '68? If I have to use the Granada valve, do I need adapter fittings? If so, what size?

2. Do the Granada spindles change the front tie rod length, or will the alignment specs stay the same say, if you used tie rod adapter bushings? Just wondering how bad it will be off. I'm doing alot of other stuff in the process and an alignment will be mandatory.

3. Does the Maverick MC use different thread sizes? If so, what adapters will I need?

Now for the non-brake stuff:

4. Are the Granada upper/lower control arms the same a Mustang?

BigDaddyCee · Jan 6, 2006

I did the same swap, I purchased the 74 Maverick Manual front disc and rear drum style master cylinder. Yes you will probably need to get reduction fittings for the MC. I was using 3/16 pre-flared/fitted brake lines that I was bending myself. They threaded into the proportioning valve from the granada fine with no fittings. But I needed fittings for the MC, one end will be 3/16 for sure. I looked on my bill but it just says brass fitting with no size. Best thing is to just take your MC in with a line and match it up that way. Most auto parts stores have these reduction fittings available.

chepsk8 · Jan 6, 2006

The Mustang Drum/Drum Prop Valve is basically just an open "T", and only has the brake fail light switch. The Granada/Maverick Prop valve (I think the same) also has an internal Prop valve for the different fluid flow & pressure needed for the Disc/Drum Combo. It's a Must, otherwise, your pedal will be rock hard, and the car will not stop. (ask me how I know!)

65ShelbyClone · Jan 6, 2006

Thanks for the help so far. I have another question, though. Is the Granada PV a drop-in? Do I just need to worry about adapting the MC?

302 coupe · Jan 6, 2006

I wouldn't even use the granada prop valve. Just use a T to split the front brake line to each side. Mount an adjustable prop valve in the hard line going to the rear brakes. Works just as well as, if not better than the stock crap, plus you don't have "spaghetti junction" where all the different bent lines/adapters go into the granada prop valve.

BigDaddyCee · Jan 6, 2006

Anybody who has done this swap I'm sure will agree that the line bending and trying to align the fittings/lines with the PV or master cylinder, then making sure everything is tight and not leaking is definately a PITA. I have a granada PV and a wilwood rear brake line portioning valve, aswell as the 74 Maverick MC for manual front disc and rear drums. Maybe 302 coupe has a good option? 302 coupe was this very hard to set everything so you had good brake "feel"? I assume you have a vehicle with this set-up?

302 coupe · Jan 6, 2006

pedal feel is fine. I have granada stuff in front, and versailles discs in back. Before I did the versailles swap, I was running the stock 8" rear with drums. I have used the setup I mentioned earlier with drums in rear and discs in rear, works fine either way. Also run the same setup on my 65 F100 with power discs in front and stock drums in rear, works fine on it too. Very simple to plumb and neat/tidy looking too.

BigDaddyCee · Jan 6, 2006

This is a very good thing to know! This is why I love this site. It just makes so much sense. Why have all these portioning valves to get everthing tweeked just so. I may have to change my set-up? I imagine T's are relatively easy to obtain?

65up2d8 · Jan 7, 2006

302 coupe said:
I wouldn't even use the granada prop valve. Just use a T to split the front brake line to each side. Mount an adjustable prop valve in the hard line going to the rear brakes. Works just as well as, if not better than the stock crap, plus you don't have "spaghetti junction" where all the different bent lines/adapters go into the granada prop valve.

I couldn't agree more, and it especially makes more sense if you plan on rear disks in the future.

66newbie · Jan 7, 2006

I was curious about the alignment specs with this setup, any help is appreciated. Also did anyone see this month's Mustang Monthly ? Just curious if the bumpsteer kit in there will help with the Granada setup.

65ShelbyClone · Jan 7, 2006

Soooo.........

65ShelbyClone said:
Is the Granada PV a drop-in? Do I just need to worry about adapting the MC?

65ShelbyClone · Jan 9, 2006

Nobody knows?

302 coupe · Jan 10, 2006

you don't need to use the granada pv, its more trouble than its worth. The adj prop valves from wilwood etc, come with adapters so that 3/16 line will work. You will need some adapters to fit the 3/16 line to the MC(most of the time anyway), but thats it.

chepsk8 · Jan 10, 2006

I will counter, as the I used the Granada PV, and was complete satisfied. Yes, No adjustability, but I considered the fact that the Granada weighs close to our ponies, and the brakes are identical. It is NOT a direct replacement, there are different fittings needed, and you will have to mount it differently. I felt it is worth it.

65ShelbyClone · Jan 10, 2006

chepsk8 said:
It is NOT a direct replacement, there are different fittings needed, and you will have to mount it differently. I felt it is worth it.

Thanks

Granada questions, not just brakes.

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