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  #1  
Old 04-26-2013, 09:05 AM
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Huskymaniac Huskymaniac is offline
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I got 31MPG!

I just got back from Philly. I filled up just outside of the city, after I got out of the stop-and-go traffic area. I filled up again when I got home. It was 99% highway but somewhat hilly highway. That was way better than my previous high of 29MPG. One major change that may explain it is that I had Tom replace my plugs and I used NGK Iridium IX plugs. They supposedly add a little HP and MPG. Maybe it isn't just marketing BS!!!
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1996 Polo Green Subaru SVX LSi, 168,XXX miles, Redline D4 ATF, Redline 75W90 gear oil, K&N HP-4001 Oil Filter, Mobil 1 5W50 FS (3qt) and 5W30 High Mileage (4qt) Oil Blend, Motul RBF600 Brake Fluid, AC Delco A975C Air Filter, NGK BKR6EIX-11 plugs, Centric Rotors, Power Stop Evolution Carbon Fiber Ceramic Brake Pads
2005 Gray Acura RL, 165,XXX miles, Redline D4 ATF with Lubegard Platinum Protectant, Mobil 1 5W20 High Mileage Extended Performance Oil
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  #2  
Old 04-26-2013, 09:44 AM
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Re: I got 31MPG!

Tom put new coils and ngk iridium plugs in my car when he did my head gaskets and replaced every rubber hose in the engine bay, or close to it. Sad to say, because of my eratic high idle, I only got 17.5 miles a gallon on my last tankful.

Distance driven 271 miles
Gallons used 15.4 gallons
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Old 04-26-2013, 09:48 AM
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Re: I got 31MPG!

one overlooked item people tend to forget that does seem to add some MPG is cleaning the MAF with every air filter change.
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Old 04-26-2013, 12:47 PM
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Re: I got 31MPG!

Quote:
Originally Posted by theflystyle View Post
one overlooked item people tend to forget that does seem to add some MPG is cleaning the MAF with every air filter change.
or for that matter just keeping a clean air filter in the car.
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Old 04-29-2013, 04:06 PM
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Re: I got 31MPG!

I averaged 26MPG at 80MPH most of the way down to OT's yesterday, 420 miles.
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