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On Board Air is a beautiful thing. I started with a kit from Bronco-Air, which, in retrospect, may have been a mistake. Now, im not ripping on the kit, its actually very nice, but its designed for the stock C-II power steering pump, and i swapped in a Saginaw. of course, i had the kit lying around for a couple years before i put it in, but thats not important. Here's what is: #1, the Sag uses a bigger shaft, which means the pulley must be bored out. Make sure you bore it out to exactly .004" smaller than the shaft. Then just heat it up, slip it on, and itll never come free on its own. #2, the sag must be spaced 5/32" backwards off the bracket in order to get this pulley in alignment with the rest on the truck, since the Sag's original pulley had a different backspacing. #3, the holes in the bracket, where it bolts to the a/c compressor, must also be slotted 5/32", so that the York will move backwards and get back in alignment with the Saginaw. #4, you have to space the bracket up an inch off the a/c compressor to clear the Sag, and even then, youll never get the cap off the Sag again. This also causes interference with the airbox hoses, and the inner fenderwell. these are minor, i raised the box an inch to compensate, and just bent the fenderwell outta the way. From there i ordered a bunch of parts from Kilby, such as their regulator, Coalescing Filter, liquid filled gauge, storage tank, hose, barb fittings, chucks & mounting tabs, etc. They have nice stuff, and ship quick. The system is regulated to about 95-8PSI, in order to protect the ARB. Also of note is that i used the 210 model York, and at idle it still airs up my 42 from 7PSI to 20PSI rather quickly. In the first pic you see the set screw you need to install to stop it from spewing so much oil; once you do that, its pretty low-maintenance. Overall a great item to have on the trail! 3/2012: With the 351 swapped out for a 460, the York mounting was redone. Pics of that can be found in the 460 swap gallery. i also took the opportunity to replace my small 3 gallon air tank with an 11 gallon tank i got from Harbor Freight, after i made some changes. Pics of that can be found in the tank-v2 folder located below. |
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