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#709693 - Fri Jan 07 2011 05:56 AM Brake Conversion on a '69 C50  
Locust_Cutter  Offline
New Guy
Joined: Jan 2011
Posts: 12
Kansas
Are there any readily available (under $2K) ways to convert a C50 from Flintstone brakes to either boosted or Bendix brakes? Air maybe? What about Heavy duty discs for the front-end? I have dealt with replacing boosters before, but I've never worked on a larger truck brake system and am unaware if there are any major differences between it and any smaller 60's Chevy truck. For what it's worth I've driven this particular truck about 10 time and am inheriting it in a few months from a good friend. I did a search on this but didn't see anything in a close year/model to mine. Thanks in advance to any who may answer me,
-Bryan


Bryan
Equal opportunity truck employer
2x - Ford Superduties
'92 Toyota
'05 Silverado 1500
'69 C50 "Grumpy" 350/SM420 flatbed


#709696 - Fri Jan 07 2011 06:46 AM Re: Brake Conversion on a '69 C50 [Re: Locust_Cutter]  
crenwelge  Offline
Shop Shark
Joined: Jan 2008
Posts: 4,656
Fredericksburg, Texas
A 50 series should have a hydrovac. If it is working like it should, you will have good brakes


#709708 - Fri Jan 07 2011 08:45 AM Re: Brake Conversion on a '69 C50 [Re: crenwelge]  
Locust_Cutter  Offline
New Guy
Joined: Jan 2011
Posts: 12
Kansas
I'll have to look at it when I get back home (currently deployed courtesy of the USAF) and see if it has that or not. I know that it's a bare master cylinder bolted onto the fire wall, as I'm the one who installed it,...


Bryan
Equal opportunity truck employer
2x - Ford Superduties
'92 Toyota
'05 Silverado 1500
'69 C50 "Grumpy" 350/SM420 flatbed

#709767 - Fri Jan 07 2011 04:41 PM Re: Brake Conversion on a '69 C50 [Re: Locust_Cutter]  
3B  Offline
Master Gabster
Joined: Nov 2005
Posts: 5,228
B. C. Canada
Hy Locust_Cutter, welcome, unfortunately the mid to late 60s were a time of change in braking systems for the larger trucks. Some were single systems with boosted masters mounted on the firewall, others were dual systems with two frame mounted hydrovacs, or single masters with a single hydrovac mounted on the frame. It can be very tricky trying to determine what is correct for a given brake system during this period. When you get back to the truck, have a good look at what equipment is on it, then you can tell us, and ask your questions with more information on what is on the truck now, hope that helps.


#710002 - Sat Jan 08 2011 01:31 PM Re: Brake Conversion on a '69 C50 [Re: 3B]  
Mearl  Offline
Wrench Fetcher
Joined: Aug 2010
Posts: 116
So. Central Mo.
My dad bought a new 50 series truck in 67 for his log truck. He said until the day he died that it had the worst brakes of any truck he ever owned. When they moved the booster up to the firewall, he always thought that was when they got worse.
The older 64 -66 trucks had better brakes but with the 2 wheel cylinders per drum, they are a real pain to bleed.


'65 C-10, 65 L-60, 65 C-80, 72 C-60 & and a bunch of old Chevy cars.
Never time to do it right, always time to do it over.

#710176 - Sun Jan 09 2011 12:24 AM Re: Brake Conversion on a '69 C50 [Re: Mearl]  
Locust_Cutter  Offline
New Guy
Joined: Jan 2011
Posts: 12
Kansas
I had heard of having 2 wheel cylinders per wheel, on some of the older ones. I could see that being a real pain to bleed, when it was time to service them. I'll take a hard look when I get back home, and try to call out what's there and see what my options are.
Thanks everyone!


Bryan
Equal opportunity truck employer
2x - Ford Superduties
'92 Toyota
'05 Silverado 1500
'69 C50 "Grumpy" 350/SM420 flatbed


Moderated by  69Cuda, Grigg 

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