Ahh! 17 MPG is killing me!
b.benz at charter.net
Sun Nov 25 18:53:10 PST 2007
On Nov 25, 2007, at 5:47 PM, Mike Miller wrote:
> My Hoppen Stage 1 seems to do about the same boost wise on 87 or 91
> octane at 4000 ft elev. At sea level, I always had to use 91 to get
> full boost. I do get a little better mileage if I use 91, but not
> enough to make up the cost differential.
I agree, chipped with IA III, at 4700’ 87 delivers full boost for the
altitude. At sea level I can forgo full boost for the continued economy.
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