Thread: Outside the box
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Old 01-05-2015, 09:39 PM   #4 (permalink)
spacemanspif
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Join Date: Jul 2013
Location: Dirty Jersey
Posts: 748

The New Focus - '07 Ford Focus ZX5
90 day: 32.44 mpg (US)
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Someone did a power steering on demand set up on here a while ago. He used an A/C clutch to activate the power assist. Not sure how well the same idea would work on an alternator since usually alternators have rather small pulleys. Seems many here run some kind of "off" switch to the alternator to enable them to stop it from charging and, thus, reducing the extra engine load to almost nothing. Not sure how well that works on our Foci, but it could be worth looking into.

I'm beginning to wonder if a skinny battery would open up enough room to run a tube around to the exhaust manifold for a WAI. One from a civic could work if it has the CCA's. Otherwise a more pricey Odyssey battery or Kinetik would fit the bill. Need to start looking at measurements...
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-Mike

2007 Ford Focus ZX5 - 91k - SGII, pending upper and lower grill bocks - auto trans
1987 Monte Carlo SS - 5.3/4L80E swap - 13.67 @ 106
2007 Ford Focus Estate - 230k - 33mpg - Retired 4/2018
1995 Saturn SL2 - 256K miles - 44mpg - Retired 9/2014

Cost to Operate Spreadsheet for "The New Focus"

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