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-   -   Master Cylinder Question!!! (http://www.hotrodders.com/forum/master-cylinder-question-12195.html)

bg 11-03-2002 06:48 AM

Master Cylinder Question!!!
 
Can somebody tell why a master cylinder (MC) has two different sizes of threaded holes on the out port?

I just bought a HYDRO booster and trying to run all the 3/16 lines up to the MC. I am having some trouble converting my 3/16 line to the opening on the MC. I believe they are a 1/2 and a 9/16 thread size. I have tried ALL my local parts store for a inverted flare fitting and nobody has them???

Iam i missing something here or is it just hard to get it all together!!!!!!!


Thanks
Bg :mad: :mad: :mad:

JAY221 11-03-2002 11:47 AM

I feel for ya! I just finished up with a similar deal using a 77 Maverick master cylinder and redoing the whole car. The only place I could find them here was a Advance Auto Parts store(actually 2 of them before I got everything). They had fittings or lines to cover everything I needed. Later, Jay

They do have a website but I don't know if they list fittings on it.

46_stvblt 11-03-2002 02:25 PM

I had the same problem and the only place that I found was Car Quest....Good luck....GlennK

HotRodMan 11-03-2002 04:09 PM

I had the very same problem with my hot rod and after combing every parts store in town I contacted godmanhiperformance.com and special ordered the fittings from them. They specialize in fittings and hard to find stuff so their catalog is a gold mine if you want to get one. 5255 Elmore Rd., Memphis, Tenn. 38134. Tech line 901-382-7404 Order line 1-800-456-2369

bg 11-03-2002 05:30 PM

A BIG THANK YOU TO ALL!!!

I feel much better now knowing that it is not just me.... I was also told to check Car Quest by a local MIDAS brake shop..

I have a Car Quest store about 45 miles from me and will take the drive and check them out.

If no luck i check into the other parts store that had fittings that Hotrodman posted. :D :D


thanks again guys!!!

bg :cool: :cool: :cool: :cool: :cool:

F-1Rodder 11-05-2002 04:12 PM

If you look at the system, they have it set up so that it is impossible to connect it wrong. It only fits together one way and was set up that way so as to avoid missassembly wrong at the factory and so they would not be sued. Just make sure that you have the big volume side of the master cylinder feeding your front disc brakes. If you use the factory distribution block, you won't need a proportioning valve, but if you are mixing foreign components, yo may need one.

bg 11-05-2002 04:33 PM

Hey F-1Rodder

I am using a Hydro Boost with a remote fill.

So you are saying the rear port which would be the 9/16-18 (larger) would be the front wheel port , since the the other port (smaller) 1/2-20 and that would be the rear??

I would have thought the rear port(larger) would be the rear wheel port

I would be wrong your saying???

I want to get this brake thing done right the first time so i dont have any mistakes to fix later..

THANKS :rolleyes: :rolleyes: :rolleyes:

F-1Rodder 11-08-2002 02:35 PM

The size of the reservoir is gauged to the size of the wheel slave cylinder. Since disc brakes have a much larger piston than do the non-disc smaller rear wheel slave cylinder, the larger disc requires more fluid and hence the larger size of the reservoir.

When you have drums front and rear and there are two cylinders in front and one in the rear, then the larger reservoir again is gauged to the greater need up front. If they were both the same either double or single front and back then the reservoir is usually the same size.

bg 11-09-2002 12:13 PM

F-1Rodder

Thanks for your help on this subject you have been very helpful.

My remote reservoir hydro booster has a 9/16-18 and a 1/2-20 out port and I have 4 wheel disc brake system installed on my 49 chevy truck.

It looks like inverted flares on the out ports are the same size but have different thread sizes.

What would be the purpose to have them two different sizes?

bg
THANKS :p :p :p :p


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