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What determines city MPG?
02-06-2011, 07:57 PM
#21
2nd Gear Member
Thread Starter
Join Date: May 2007
Location: miami fl
Posts: 467
So basically when I get to 600rwhp/tq I should be getting better gas since I have more torque to move my gears?
02-06-2011, 09:11 PM
#24
4th Gear Member
Join Date: Sep 2009
Location: NC
Posts: 1,481
WOW! Is OP trying to be difficult on this issue???
The fundamentals of fuel economy aren't very complicated... RULES #1 thru #10 are all the same: Keep your foot OUT OF IT if you want fuel mileage. NUF SAID!
The fundamentals of fuel economy aren't very complicated... RULES #1 thru #10 are all the same: Keep your foot OUT OF IT if you want fuel mileage. NUF SAID!
02-06-2011, 09:12 PM
#25
2nd Gear Member
Thread Starter
Join Date: May 2007
Location: miami fl
Posts: 467
02-06-2011, 09:37 PM
#28
Something that I have to add here is that idling significantly decreases your mpg. My family has...fire suit ready...a prius, and while sitting at a stop light or stop sign and the gas engine kicks on, the on-board computer that keeps track of mpg starts decreasing while sitting there idling, and thats on a prius. On our cars, its probably significantly more.
02-07-2011, 04:19 AM
#29
2nd Gear Member
Thread Starter
Join Date: May 2007
Location: miami fl
Posts: 467
I understand that but my confusion is lying in the gear ratios right now. Torque helps to get a car moving right? (EX. Porsche vs stang comparision earlier.) Since having more torque doesn't require more fuel to use it (under normal conditions of course) shouldn't I see a gain at 600hp/tq since I now HAVE more torque to get my car moving?
02-07-2011, 07:40 AM
#30
It's also about RPM's the more you turn the more gas you burn.
If you have 2 600 HP power cars and Car 1 makes most of it's HP/TQ at around 3k RPM and car 2 makes it's HP/TQ at around 7K RPM's Car 1 will get better gas milage because it was able to get the car moving using less gas because it was turning less RPM's to get the car moving
If you have 2 600 HP power cars and Car 1 makes most of it's HP/TQ at around 3k RPM and car 2 makes it's HP/TQ at around 7K RPM's Car 1 will get better gas milage because it was able to get the car moving using less gas because it was turning less RPM's to get the car moving