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Old 12-18-2012, 12:57 AM   #510 (permalink)
wmjinman
Master EcoModder
 
Join Date: Oct 2012
Location: Carson City, Nevada
Posts: 612

Jimmy - '00 GMC Jimmy SLT
90 day: 21.18 mpg (US)

The White Gnat - '99 Suzuki Swift
Team Suzuki
90 day: 51.87 mpg (US)
Thanks: 240
Thanked 112 Times in 88 Posts
Thanks Gus,

I really appreciate your honesty and straightforwardness - freely saying what you did and didn't do, what you found and didn't find..... And I've also found OldMechanic to be very matter-of-fact and straightforward, too. Not owning a diesel, I don't know if any of this will ever apply to me personally, but it's still interesting to learn about it from someone who's actually doing it - and who doesn't appear to be a "nut".

I see where getting a good, steady, long-range driving test would be difficult for you, but that's what would be ideal to really get a good mileage comparison - the "A-B-A" testing that MetroMPG describes so well. I can't help but wonder if the extra load the heavier alternator will put on the engine would negate the mileage gains.

But then, you said your primary goal was cleaning up the exhaust, and it sounds like you're seeing encouraging results there. So I sure hope to hear more information about your project whenever you get some.

Thanks,
Bill
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