07 f350 axle and suspension swap - Ford Powerstroke Diesel Forum
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Old 02-10-2014, 05:30 AM
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07 f350 axle and suspension swap

I've completed the swap everything came out good so far. I need to find where to buy the correct reaming tool for the pitman arm. I know there like $90. Also what's everyone doing about the brakes going from drum to disc rear. Brakes work just not correctly. Do I get a manually adjustable proportioning valve or is there a correct one to get for the swap.
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Old 02-10-2014, 09:45 AM
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need the valve from a F-SuperDuty or the whole hydroboost system from an F-SD
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Old 02-10-2014, 11:49 AM
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Is the proportioning valve mounted on the master or is on the frame. I'm finding mixed answers
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Old 02-10-2014, 12:57 PM
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the ABS valve is on the fame, it has been called a proportioning valve. the one your are interested in is on the frame. The F-SD had disc rears and the 07 axle has disc rears, discs require more fluid than drums, the F-SD proportioning valve keeps more fliud going to the rear brakes than the standard valve in 250 and 350s
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Old 02-10-2014, 03:24 PM
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What are the chances of finding one? I called my local dealer and it's $600 plus $100 core charge had non returnable. The guy at the counter was suprised it cost that and figured there going to be obsolete soon since it's such an old truck
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Old 02-10-2014, 03:38 PM
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auto parts stores sell the MC. i think dorman makes hoses. it is bolt in swap and your get a bigger MC

i think the MC is $100ish w/o cruise 120 with hoses re around $20 a piece. i dn't know what the booster runs. if you are looking for just the proportioning valve i don't know where to find that
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Old 02-10-2014, 03:43 PM
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What ever is going to make my brakes work correctly with out costing an arm and a leg and not having to replace everything under the hood.
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Old 02-11-2014, 04:02 PM
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I have done the swap with no brake changes and it works just fine. Peddle is a LITTLE mushy but nothing u do t get used to and it still brakes better anyway
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Old 02-11-2014, 04:11 PM
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Peddle is more mushy for sure and stops ok. I can't really tell to much difference. I feel the rear brakes are hitting at hard as front. The front doesn't dive ever no matter how hard you hit the brakes. The whole truck squats together. Anyone try a manual proportioning valve?
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Old 02-11-2014, 04:52 PM
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The squat could also be because you are on a radius arm now and not leafs.

Try bleeding out the RABS valve, there is a bleeder on it. It helped my mushy peddle a lot. Air gets trapef in there and it's hard to get out
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