[W126 Coupe] 560 SEC cracked engine block . . . DeturnedEngines?

[Barry Corno]

Ernie,

   Not as bad as you think. About 1 ½ per gal down.

 

Barry

________________________________

From: mbcoupes-bounces at mbcoupes.com [mailto:mbcoupes-bounces at mbcoupes.com] On Behalf Of Ernie Stephens
Sent: Tuesday, November 09, 2010 8:58 AM
To: Mercedes Coupes Mailing Lists
Subject: Re: [W126 Coupe] 560 SEC cracked engine block . . . DeturnedEngines?

 

Barry,

How has this affected your gas mileage?

Ernie

	----- Original Message ----- 

	From: Barry Corno <mailto:bc at unitedsalad.com>  

	To: Mercedes Coupes Mailing Lists <mailto:mbcoupes at mbcoupes.com>  

	Sent: Tuesday, November 09, 2010 6:05 AM

	Subject: Re: [W126 Coupe] 560 SEC cracked engine block . . . DeturnedEngines?

	 

	Ernie,

	  I exchanged my rear end from 248's to 307's  big difference.

	 

	B.C.

	
________________________________


	From: mbcoupes-bounces at mbcoupes.com [mailto:mbcoupes-bounces at mbcoupes.com] On Behalf Of Ernie Stephens
	Sent: Monday, November 08, 2010 6:52 PM
	To: Mercedes Coupes Mailing Lists
	Subject: Re: [W126 Coupe] 560 SEC cracked engine block . . . DeturnedEngines?

	 

	Thanks Axel, I'll check that switch and wiring.  As for the rest of it, I might take the car into a muffler shop and be happy enough with what they can do.

	 

	Thanks again,

	Ernie

		----- Original Message ----- 

		From: Axel Wulff <mailto:axelwulff at hotmail.com>  

		To: mbcoupes at mbcoupes.com 

		Sent: Monday, November 08, 2010 7:31 PM

		Subject: Re: [W126 Coupe] 560 SEC cracked engine block . . . Deturned Engines?

		 

		Hey Ernie,
		 
		Yes, the North American engines were seriously de-tuned compared to their Euro brethren.
		 
		The US 5.6L M117 V8 put out only 238 hp while the Euro ECE engine was rated at 300 hp.
		 
		Getting more power out of the US engine is very difficult as the pistons, camshafts, fuel distributor, exhaust, etc., would have to be swapped out.
		 
		Your best option on a US engine is to change the differential. Changing out the US exhaust system can add about 10 hp, but other than that......
		 
		Have you checked out your kick-down switch?
		There is a switch underneath the accelerator pedal and your transmission should downshift when it engages. If it doesn't, the problem may be as simple as a disconnected wire.
		
		Regards,
		Axel J. Wulff
		610-731-5453 Cellular
		610-572-4611 Home
		
		
		

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