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Old 08-09-2010, 10:37 AM   #75
Mike Jung
 
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Drives: '14 CRT Camaro SS Coupe
Join Date: May 2010
Location: Toronto, ON, Canada
Posts: 478
Not a Camaro SS, but my G8 GT that is around 4000 lbs with a L76 6.0L V8 with DoD & 6-speed auto:

Best I've seen was on a road trip to/from Chicago area = 8.9L per 100 km

& the worst I've seen is in winter around Feb with my Blizzak LM-60 on = 17.0L per 100 km


& I use a thicker viscosity 30 (almost a 40) motor oil:
(German) Castrol Syntec 0W-30
Viscosity at 100°C = 12.1 cst
HTHS viscosity at 150°C =/> 3.5 mPa·s
It doesn't meet the energy savings spec
That always makes your gasoline mileage drop a bit.
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'14 Crystal Red Tintcoat Camaro SS RS coupe

Former G8 owner :(

RIP Sunday, Oct 6, '13
1 of 3,681 in Panther Black Metallic '09 Pontiac G8 GT (with L76 6.0L small block V8 engine & a 6L80 tranny)
1 of 970 '09 Pontiac G8 GT's in the country (Canada)

Last edited by Mike Jung; 08-09-2010 at 10:51 AM.
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