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  #31 (permalink)  
Old 04-06-2013, 06:36 PM
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You may need to replace the master cylinder. You might try disconnecting the lines at the master, opening the bleeders, then blowing a little air through the lines - that will tell you if the lines are clogged, and may help remove any debris and old fluid. If the lines are clear the master is your culprit. Before you buy a new master, buy a bench-bleeding kit (they are cheap and you'll need to use one if you do replace the master anyway). Hook up the bench bleeding kit to your master, fill the reservoirs and have your son slowly pump the pedal. You should see fluid circulating and back into the reservoirs. If you don't, the master is clogged or is shot. There should be instructions with the bench bleeding kit.
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Old 04-23-2013, 12:16 AM
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Originally Posted by 69 widetrack View Post
First of all, how long had the car been sitting? If one of the reservoirs was completely dry there is a good possibility that you have a build up of rust or crud in the master cylinder. The best bet would be to take the master apart and see what your working with. If there is a bunch of junk in the master, you could have pushed it down the brake line, not allowing the fluid to do it's job...check the brakes completely, drums, shoes wheel cylinders brake hoses and lines. In fact start by pulling off the drums and do a visual inspection of all the brake components and replace any parts that are needed...depending on how long the car was sitting, the brake lines could be weak and have rust on the inside. Much depends on how far you want to go on the Ranchero but, when it comes to brakes, this is one area that I wouldn't be looking at trying to save to many nickles and have safety issues.

Ray
Great! Thanks! Yeah, that makes perfect sense. I definitely don't want to mess around by trying to cut any corners. This is my son's safety we're talking about. We're really not sure how long the car had been sitting because many of the parts like the interior were very old looking and much of it like the seat and headliner were very dry-rotted as well as a lot of the electrical wires and the radiator overflow tank. The overflow tank literally crumbled when I touched it. Yet the oil was full and clean as well as was the transmission fluid. I'll follow your suggestion, thanks!
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Old 04-23-2013, 12:17 AM
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Originally Posted by sedanbob View Post
You may need to replace the master cylinder. You might try disconnecting the lines at the master, opening the bleeders, then blowing a little air through the lines - that will tell you if the lines are clogged, and may help remove any debris and old fluid. If the lines are clear the master is your culprit. Before you buy a new master, buy a bench-bleeding kit (they are cheap and you'll need to use one if you do replace the master anyway). Hook up the bench bleeding kit to your master, fill the reservoirs and have your son slowly pump the pedal. You should see fluid circulating and back into the reservoirs. If you don't, the master is clogged or is shot. There should be instructions with the bench bleeding kit.
Great stuff! You guys are a major help, thanks!
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  #34 (permalink)  
Old 04-23-2013, 08:28 AM
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master cylinders and wheel cylinders are easy and cheap to replace!
if you dont have the cash, i suggest you take all of them out, and give them a good cleaning, and then running a hone through them.
replacing all rubber. and blowing air through all steel lines.

the flex lines to the wheel cylinders will also rot and collapse.
brakes are numero uno!! without them we couldnt stop and smell the nitromethane at the track!

further more, i would highly suggest that you delete the points and run a petronix ignitor system. cuts down on headaches. there kind of pricy (100 bux)but well worth it when you barley touch the silonoid and she fires right up.

if you are interested i replacing the wiring, speedwaymotors.com sells a 12 circut wiring harness for under 200 bucks.

i bought my latest ranchero (1962) about 4 months ago, and shes an awesome daily driver. and with a 170 ci, she gets great gas mileage.

i cant wait until my 200 ci is finished and im smoking chevys with the dump of a clutch
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