Please read guys!!! Especially those with HG or hesitation issues!

**cantfind1** · 06-07-2010, 04:18 AM

A link to my post on M3cutters.

http://forums.m3cutters.co.uk/showth...352#post253352

**shimmy** · 06-07-2010, 08:56 AM

Interesting but not sure how high temps, HG problems

**cantfind1** · 06-07-2010, 09:14 AM

running lean leads to running hotter leads to overheating the head. Especially at high rpm!

**shimmy** · 06-07-2010, 09:21 AM

Quote:

Originally Posted by cantfind1

running lean leads to running hotter leads to overheating the head. Especially at high rpm!

But surely the knock sensors would sort this?

**cantfind1** · 06-07-2010, 09:25 AM

Only if the running lean leads to detonation.

The S54 is a very precise engine with high tolerances. I believe any lean running will lead to excess heat, I am not saying that this is the only cause of HG failures but it is certainly going to be a major contributing factor.

The knock sensors didn't seem to work on Mole's car he has suffered Detonation.

http://www.cslregister.com/forum/showthread.php?t=4750

06-07-2010, 04:18 AM	#1
cantfind1 S5, Sport Off, DSC M-track Join Date: Oct 2009 Location: Sydney Australia Posts: 675 Casino cash: $6490	Please read guys!!! Especially those with HG or hesitation issues! A link to my post on M3cutters. http://forums.m3cutters.co.uk/showth...352#post253352

06-07-2010, 08:56 AM	#2
shimmy CSL Register Uber-poster! Join Date: Apr 2008 Location: Uk Posts: 14,646 Casino cash: $43909	Interesting but not sure how high temps, HG problems __________________ .

06-07-2010, 09:25 AM	#5
cantfind1 S5, Sport Off, DSC M-track Join Date: Oct 2009 Location: Sydney Australia Posts: 675 Casino cash: $6490	Only if the running lean leads to detonation. The S54 is a very precise engine with high tolerances. I believe any lean running will lead to excess heat, I am not saying that this is the only cause of HG failures but it is certainly going to be a major contributing factor. The knock sensors didn't seem to work on Mole's car he has suffered Detonation. http://www.cslregister.com/forum/showthread.php?t=4750 Last edited by cantfind1; 06-07-2010 at 11:18 AM.

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06-07-2010, 09:14 AM	#3
cantfind1 S5, Sport Off, DSC M-track Join Date: Oct 2009 Location: Sydney Australia Posts: 675 Casino cash: $6490	running lean leads to running hotter leads to overheating the head. Especially at high rpm!