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Pismo · 09-30-2008, 10:29 AM

Does anyone have a source to find the differences between the standard S motor and 550 AE? Sometimes mistakes are made and corners are cut. I'm a "Trust but verify..." kind of person.
I don't think I can say I could tell a 258 HP motor from a 264 by the seat of my pants in normal driving and I've found Dynos come up with substantial differences in what are supposed to be identical motors. At an MBCA dyno pull, 3 stock well maintained '91 190E 2.6s had a spread of over 15 HP on what are supposed to be 158 HP motors.
Based on Jake's remarks I am now looking towards getting an extended warranty, any suggestions? The car's original warranty expires Oct. 4th.

09-30-2008, 10:29 AM	#9
Pismo Registered User Join Date: Sep 2008 Location: CA Posts: 4	Does anyone have a source to find the differences between the standard S motor and 550 AE? Sometimes mistakes are made and corners are cut. I'm a "Trust but verify..." kind of person. I don't think I can say I could tell a 258 HP motor from a 264 by the seat of my pants in normal driving and I've found Dynos come up with substantial differences in what are supposed to be identical motors. At an MBCA dyno pull, 3 stock well maintained '91 190E 2.6s had a spread of over 15 HP on what are supposed to be 158 HP motors. Based on Jake's remarks I am now looking towards getting an extended warranty, any suggestions? The car's original warranty expires Oct. 4th.