Hi - new here! My husband and I bought our 16 year old daughter a 66 Mustang. Great shape, but we need to do the brakes before anything else. While looking for the wheel cylinders, I noticed one place asked for what size I needed (1 1/8 or 1 1/16) yet another site just asked when it was built (Dec.18, 1966). How do I know the size without taking out the wheel cylinder? The car has the 10" drums. Any help would be great! Thanks!
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Just go to Autozone and ask for some replacement ones there. Should be pretty standard, if in doubt, go with the larger ones. Quick thought, the larger ones should move more fluid thus giving a little better response. However only being 1/16th off....not going to notice much.
Actually, larger ones are going to require more brake pedal travel, reducing response (and required power input).
Any decent parts store should be able to find the right ones by asking questions about the brake options your car has, ie. 4 wheel drum ordrim/disc, v8 or i6, etc
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Tad H.
'67 Fastback
331 stroker
If you are redoing the breaks a fairly inexpensive upgrade would be chaning the single bowl on the master cylinder to a dual bowl. If you lose one cylinder you wont lose all breaks (Happened to me once). They started making this in 67. I put one on my 65 and feel a little safer.
After a little research on Mustangs Unlimited's website, I have come to the conclusion that the 1 1/16 cylinders are for 6 cylinders of your year, and the 1 1/8 was for V-8s,,, while I am not entirely sure of this, I am about 95% sure,, sure enough that if I were doing this I would buy the 1 1/8s.
The other thing is I would take 65StangFB's advise and go with the dual master cylinder. We did this on our 66. We bought a 67 cylinder and an aftermarket proportioning valve, although the 67 proportioning valve should work fine.
If you go this route, you will need to use the 66 push-rod with the 67 cylinder for manual brakes, but power brakes I don't really know...
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39 Ford Coupe, 30 Year "Project Car" to be done by mid May 2009
408 Windsor, Tremec TKO 600, E85 Fueled
Custom "ground up" TCI Chassis
9" Track Loc.
If you are not quite as smart as you think, are you smart enough to know?
Put disc brakes on it(the front at least). It's 2007 and I can garuntee your 16 year old daughter has prolly never driven anything with 4 wheel drum brakes. The first time she goes through a puddle and panics cuz her brakes go away might end in a wreck. For $500-1,000 you can put a good set of disc brakes on the front and not have to worry about her not having brakes under certain situations. That and discs are so much easier to maintain and far more trouble free.
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Who cares how much horsepower it has, all that matters is how fast it goes!
Best run 13.23 at 106.97mph with a 2.183 60'
Times from before tune and driver mod.
According to the factory shop manual, the front cyls are either 1-1/16(6 cyl) and 1-1/8 for (8 cyl). both use a smaller rear cylinder that is is again based on if it has a 6 (27/32 cyl) or an 8 (58/64) I'm not sure if the bigger cylinders from the V8 cars will fit on a 6 cyl car or not.
Thanks so much for replying everyone! I did some research while asking this question and yes I think the 1 1/8 were correct. I am getting everything except the front drums from Autozone, (they had it 2 days ago!! But not now). And while we are not getting the Disc brakes, (we still need to put money in for the paint job), we are considering the dual master cylinder. Thanks! I'll post pics when complete.
wheel cylinder question
