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Hey guys, grabbed a hydro boost brake unit and MC from a 2008 f350 SD. I know the SD is a disc/disc master cylinder and will move more fluid to the rear than my stock bronco MC will. My question is, I have a 14 bolt rear axle and its wheel cylinders are 1/2" larger in diameter and about 3/4 an inch longer than the 9". If I use the SD master with these larger wheel cylinders am I going to be ok considering that they use more fluid? Iv'e noticed with ym stock MC that the rear brakes suck, even when the trucks ass is jacked up[ and no load.... Yes shoes are new, bleed and well adjusted.

I just don't want to install the bigger MC and have it set my proportioning valve off because it may think that there's a leak due to the fluid movement. I suppose I could bypass it all together and just go straight to the axles front and rear and use a prop valve??


Thanks for any input
 
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