master cylinder upgrade
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master cylinder upgrade
I have 12x3" rear drums (F250) and dual pistion calipers up front I currently have a F150 master cylinder (brake) on it now I want it to be a wiiiiii better stopping as I'm building it to pull. Would it be better to use a F250 master or a or a F350 SRW from O'reily's my truck is a 78 and my axles are 74 it that matters any
thanks
Dustin
thanks
Dustin
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Maybe that to but I was asking about the master cylinder but thanks i'll put the booster on my list. Can I use a booster off a junk yard truck or will it crap out on me?
They are expensive I looked in LMC truck and they are $300-400 ouch!
They are expensive I looked in LMC truck and they are $300-400 ouch!
Postmaster
Joined: Jun 2003
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From: WA
The MC won't make that much difference. The booster is where the power comes from. I would not junk yard one, just get it from your local parts store. I got mine from Napa. The MC/booster combo was around $125
My 79F150 used the 78 style F350 booster.
Here is a good article on the switcheroo.
http://www.okcnetworks.com/bronco/brakes/index.htm
My 79F150 used the 78 style F350 booster.
Here is a good article on the switcheroo.
http://www.okcnetworks.com/bronco/brakes/index.htm
Posting Guru
Joined: Aug 2002
Posts: 1,493
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From: Great NW
If you are gonna do the swap, do it right and get the booster AND master cylinder. They are matched parts. If you put a F-350 booster on, you may need to go to the junkyard and pick up the proper brackets that mount the unit to the firewall, as they are different from truck-to-truck.
But before you do any of that, read the article by Danny Cabral in the Tech section, he discusses the change over in detail.
But before you do any of that, read the article by Danny Cabral in the Tech section, he discusses the change over in detail.
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