[oletrucks] Brakes

[K50Chevy@aol.com]

I'm pluming brake lines on my 50 p/u. My question is, if I use the residual  
check valves for the front and rear do I need to put an adjustable 
proportioning  valve in? I have 69 camaro front disc clip with a 66 nova drum 
rear, nova 
master  cylinder and booster, but I'm not running a proportioning valve. 
Anybody run  disc/drum with residual check valves with out a proportioning 
valve? 
If so what  were your results?  Thanks, Ken 

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