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Old 11-27-2009, 04:41 AM   #13 (permalink)
jazda
EcoModding Lurker
 
Join Date: Nov 2009
Location: Canada
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Hey guys, I recently just joined this forum and I was wonderinf If i'm doing my engine any harm by shifting at 2k and cruising aroudn 1.5k-1.8k. It's a 2.5 L 4 Cylinder 170 hp and 170 torque (mazda 3 2010 gs)

also would short burst of accelerations lasting roughly around 7 seconds maybe 3-5 x for my whole tank (round 50L) affect the gas mileage if i cruis around 1.5 to 1.8 k most of the time?

Im doing it for the reason of break in period, I was advised by a couple of mechanics i know to have short bursts of accelerations to help seat the rings(i know theres different theories about this but lets stick to mpg lol)
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