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Old 11-08-2015, 05:41 AM   #21 (permalink)
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This is my upper grillblock. I.ve made it from 5mm scrap alluminum. I fits nicely and run it trough the heatwaves. Only in standing traffic the fan comes on to cool it down again and turning off. Only to slowly warm up over a 40 50 sseconds time.


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Old 11-08-2015, 11:24 AM   #22 (permalink)
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I do know that there is some worry about the longevity of the turbocharger when engine off coasting, if there is not adequate time for it to cool down after a period of high usage.
Looks like I have nothing to worry about then. I wont be doing any EOC'ing as Champagne is an automatic
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Old 11-08-2015, 12:11 PM   #23 (permalink)
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Brandon Mods,

How about trying spark plugs that are a couple of ranges cooler? That shoud reduce cylinder/piston temp some.
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Old 11-11-2015, 02:06 PM   #24 (permalink)
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Here is my grille block Click image for larger version

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ID:	19064 Didn't do any testing, but I haven't seen a difference yet, not even in warm-up times.
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Old 11-11-2015, 06:10 PM   #25 (permalink)
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Quote:
Originally Posted by MobilOne View Post
Brandon Mods,

How about trying spark plugs that are a couple of ranges cooler? That should reduce cylinder/piston temp some.
"Cooler" and "hotter" spark plugs refer to how easily they can dissipate heat back into the cylinder head. Not likely to make any discernible difference.
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Old 11-11-2015, 09:02 PM   #26 (permalink)
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Hotter or cooler plug TIPS create hotter/faster spark or cooler/slower depending on combustion chamber design.
Example: 2 stroke or Wankel engines
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Old 11-11-2015, 10:29 PM   #27 (permalink)
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Hotter or cooler plug TIPS create hotter/faster spark or cooler/slower depending on combustion chamber design.
Example: 2 stroke or Wankel engines
That honestly makes zero sense. You would never want a "cooler/slower" spark. The ecu controls the ignition timing, not the plug.

NGK Spark Plugs
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Old 11-11-2015, 10:57 PM   #28 (permalink)
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HAHAHAHA, you must be a "young one"...
BEFORE anything that resembled computers, spark(timing) was THE manner to adjust.
Yes, distributors were what organized the electric discharge but final say-so was THE plug and ITS heat range...
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Old 11-12-2015, 12:57 AM   #29 (permalink)
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Some factory grill blocks:



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Old 11-12-2015, 05:22 AM   #30 (permalink)
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Thanks Vman. My neighbor has one of those Kias, and i noticed the block.
Some models of that same vehicle have them, while others do not.
( I think his has an 'eco' emblem on the back )
I had never seen the MB grille block before. I thought perhaps it was a European version, but i see the Illinois plates.

I'm reminded of a comment about ecomodding from another forum some years ago. It was something like " Stupid hypermilers ! If this #@!* really worked, automakers would have been doing it already. "

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