Engine and F/I question! - MBWorld.org Forums

Mar 31, 2005 | 11:49 PM

BoBcanada

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From: Toronto,ON

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Engine and F/I question!

ok i'm not good with internals of the engine but anyway... do we have special pistons for our forced induction? Anyone got this info? Or they just take the 55 N/A engine and slap a supercharger on top of it... ? Do amg build a stronger engine for a supercharged/biturbo cars?

Apr 1, 2005 | 03:43 AM

Steve Clark

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Yes,yes,no,and yes.

Apr 1, 2005 | 11:13 AM

vrus

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From: Richmond Hill, Ontario

2003 E55 AMG

Yup.. What Steve said is correct.

Apr 1, 2005 | 04:22 PM

Marcus Frost

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From: Chicago, IL

Real Cars

Quote:

Originally Posted by BoBcanada

do we have special pistons for our forced induction?

The M113K motor uses a lower compression forged piston compared to the non-kompressor M113 engine.

[quote]Or they just take the 55 N/A engine and slap a supercharger on top of it... ?[quote]

No, in addition to the pistons - the connecting rods, camshafts, cylinder heads, and block casting are all different.

Quote:

Do amg build a stronger engine for a supercharged/biturbo cars?

Tolerances for forced induction motors typically allow for much more strenuous use, no matter what manufacturer it is. The 3.0liter inline 6 cylinder engine that I had in my old Supra has made 1200hp with a completely stock block, while the V6 found in the Camry can't make 400hp without starting to break stuff. Forced induction is harder on a motor and has more uncertainty in power levels, so this has to be taken into account when developing said engine.

I know Steve already gave you these answers in consolidated form, but I figured you were trying to learn so maybe a bit more elaboration on your questions would be appreciated.

Regards,

Marcus

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