Quote:
Originally Posted by Domman56
WOW Jealous You're pushing about the same power outta that as my 04 CLK55 but the best tank i've ever gotten was 25.1 MPG. Love having the V8 power when you want it and good fuel economy when you need it though
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I almost switched it out for a E55 back in February, but that low compression fuel economy was too much LOL. I'm making a 100 more horsepower than a 04 CLK55. I put down 401 at the wheels which is around 460-470 at the motor. On the street the closest race I've had was with a stock 996 911 Turbo.
I have a set of ported/decked heads sitting here for it. They will net me about 40 more horsepower at the wheels, so 500+ on the motor. I'm interested to see what happens with the fuel economy. Going to 11:1 compression should help but the larger volume in the heads might hurt me.