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engine differences

 
Old 08-26-2015, 08:31 AM
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engine differences

What are the internal engine differences between a 177 and 178? Does the 177 have a forged crankshaft?
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Old 08-26-2015, 08:50 AM
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The 178 has dry sump lubrication, allowing it to sit lower in the engine bay.
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Old 08-26-2015, 10:21 PM
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Originally Posted by TEAShea View Post
What are the internal engine differences between a 177 and 178? Does the 177 have a forged crankshaft?

They are exactly the same internal hardware, engine block and heads wise.


The engine internals consist mostly of forged hardware, pistons and rods as well as the crankshaft - the piston assemblies are the same as used in the M133 (ie. AMG A & CLA 45's)


The differences are as already mentioned the dry oil sump system, air intake feed systems and outer exhaust peripherals.
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Old 08-27-2015, 08:42 AM
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Is most the of the power difference due to software changes?
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Old 08-27-2015, 10:08 AM
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Originally Posted by TEAShea View Post
Is most the of the power difference due to software changes?
The C63s has more Tq than GTS and same HP
GTS is lighter.
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Old 08-27-2015, 10:31 PM
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Originally Posted by TEAShea View Post
Is most the of the power difference due to software changes?
The power/torque output and curve is absolutely governed by ECU programing yes


There'll also be torque output governing and/or control by the TCU ie. the transmission ecu especially in the case of the AMG GT to control maximum torque "through flow".
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