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Old 12-06-2019, 10:16 PM   #5 (permalink)
roosterk0031
Master EcoModder
 
Join Date: Jan 2011
Location: Iowa
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Impala FFV - '10 Chevy Impala LT
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My guess is to get the engine load high enough to get to more efficient BSFC range the ECM with kick in turbo enrichment reducing the effectiveness of P&G, and some people think that its hard on the turbo to stop and start the oil supply especially after a 90% burst of acceleration.

I wouldn't EOC with my1.4t Cruze if I got to drive it much even if it had a manual. P&G with engine on coast is hard to beat steady speed at the average speed of P&G IMO.
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