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Old 06-26-2008 | 06:05 PM
  #41  
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NickHHRSS
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Joined: 03-31-2008
Posts: 179
From: So Cal
Originally Posted by Black Rose
I read on the GM Powertrain site that the 2.4 VVT motor does this as well.

"Targeted oil jets to cool pistons" is the wording they use.
Still doesn't need syn as the turbo motors see much more heat and cylinder pressure than the 2.4.
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Old 06-26-2008 | 06:07 PM
  #42  
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NickHHRSS
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Joined: 03-31-2008
Posts: 179
From: So Cal
Originally Posted by REDFLYR
magnets...

two yrs ago i stated in a forum that i placed a very strong magnet on the oil pan or oil filter (if it was metal) to trap metal shaving/particulate...

the coment then was... "how does that work on an alumimium engine" anyone care to comment?
The contact or friction areas are NOT aluminum. Most importantly, the block cylinders are sleeved with Steel and the rings are ferrous as well.
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Old 06-26-2008 | 06:12 PM
  #43  
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Cyclic Hardover
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Joined: 03-27-2008
Posts: 132
From: New Mexico
As I recall the "chip detectors" were also electrical. So when too much metal was stuck on it, it basically short circuted and illuminated a warning light.

Sorry-Ex Army Pilot Would be neat to have though
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Old 06-30-2008 | 05:28 AM
  #44  
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REDFLYR
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Joined: 09-13-2006
Posts: 378
From: USA
Originally Posted by Cyclic Hardover
As I recall the "chip detectors" were also electrical. So when too much metal was stuck on it, it basically short circuted and illuminated a warning light.

Sorry-Ex Army Pilot Would be neat to have though
yep yep... that s how they work... "chips light" "feather four" "in what order?"
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Old 06-30-2008 | 12:18 PM
  #45  
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TY&HHR
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Joined: 11-14-2006
Posts: 103
From: North Georgia
The difference I could tell was that the engine didn't seem as "free" with the heavier weight. Basically what Offy mentioned, close tolerance + heavier oil = more resistance for the pistons, crank and so on.
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