does the LS3 have Active Fuel Management? (Manual Trans) - Page 3 - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

Tal · 02-12-2009, 01:05 AM

Just realized something else, the G8 GXP is tuned for regular gas by Pontiac while the Camaro SS is tuned for premium which could be a small gain in mpg's as well.

*DGthe3* · 02-12-2009, 07:34 PM

Short version, the GG tax is calculated with a bunch of 'cheats' that happen to work out to roughly the highway fuel economy of the car being tested. So although the SS will technically average 19 mpg or so, it will get a rating of ~23 mpg for the purposes of the GG tax.

1982camaro · 02-12-2009, 08:24 PM

corvettes only weigh like 3200-3300 lbs, which is why the ls3 returns such good gas mileage.

just visited a SRT8 chally today and the highway mpg was 19 mpg, and this was an automatic. with the 6.1 liter HEMI

Tal · 02-12-2009, 09:31 PM

The challenger is heavier, with a less advanced power train.

02-12-2009, 07:34 PM	#30
DGthe3 Moderator.ca Drives: 05 Grand Am GT Join Date: Jul 2007 Location: Niagara, Canada Posts: 25,372	Short version, the GG tax is calculated with a bunch of 'cheats' that happen to work out to roughly the highway fuel economy of the car being tested. So although the SS will technically average 19 mpg or so, it will get a rating of ~23 mpg for the purposes of the GG tax. __________________ Note, if I've gotten any facts wrong in the above, just ignore any points I made with them __________________ Originally Posted by FbodFather My sister's dentist's brother's cousin's housekeeper's dog-breeder's nephew sells coffee filters to the company that provides coffee to General Motors...... ........and HE WOULD KNOW!!!! __________________ Camaro Fest sub-forum

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02-12-2009, 01:05 AM	#29
Tal Drives: Old Join Date: Sep 2008 Location: OK Posts: 726	Just realized something else, the G8 GXP is tuned for regular gas by Pontiac while the Camaro SS is tuned for premium which could be a small gain in mpg's as well.

02-12-2009, 08:24 PM	#31
1982camaro Drives: 1982 camaro Join Date: Nov 2008 Location: california Posts: 153	corvettes only weigh like 3200-3300 lbs, which is why the ls3 returns such good gas mileage. just visited a SRT8 chally today and the highway mpg was 19 mpg, and this was an automatic. with the 6.1 liter HEMI

02-12-2009, 09:31 PM	#32
Tal Drives: Old Join Date: Sep 2008 Location: OK Posts: 726	The challenger is heavier, with a less advanced power train.