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Old 02-26-2013, 10:32 PM   #2 (permalink)
13B_88FC
EcoModding Lurker
 
Join Date: Jan 2013
Location: Oregon, US
Posts: 43

ZoomFreakingZoom - '88 Mazda RX7 Convertible
90 day: 19.02 mpg (US)

Geo - '96 Geo Prizm Base
90 day: 32.42 mpg (US)
Thanks: 2
Thanked 2 Times in 2 Posts
I can see how it would affect bearing friction now, but not the piston rings unless the force on the piston isn't completely parallel to the motion of the piston. But come to think of it, it probably isn't since it would vary slightly depending on the angle of the crank. Is that correct?

So static compression is the number that manufacturer says your engine is rated at? What do you mean by TDC and BDC? Is that short for top dead center and bottom dead center?
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1988 rx7 convertible. Streetported, racing beat header and presilencer replacing all 3 catalytic converters. Atkins 6 port sleeves. K&N cone filter intake. 22mpg average, 27mpg max. Spreadsheet (updated regularly):
https://dl.dropbox.com/u/5310442/198...%20mileage.xls
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