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Old 02-18-2011, 01:05 PM   #7 (permalink)
Tygen1
Master EcoModder
 
Join Date: Dec 2008
Location: South Jersey
Posts: 553

Little Blue - '98 Ford Escort ZX2 Cool
Team ZX2
90 day: 44.75 mpg (US)

Big Red - '00 Ford Excursion XLT
90 day: 15.53 mpg (US)
Thanks: 5
Thanked 45 Times in 29 Posts
You should watch for the gph to rise, the instant mpg will fall or it will begin to misfire when you have exceeded the most effcient air temp. I've run mine up to 180 F and had no rough running problems, but the benefit dimished to the point that it wasn't worth it. Try some expiriments!
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