Race school day.

cossie1600 · 08-25-2011, 09:47 PM

Stock maps are very conservative. In your EVO, you can easily pick up 20-40hp with just a simple tune and better gas mileage (I broke one in and couldn't do more than 21mpg on hwy at 65 cruise for 80 miles). It's all placebo effects.

Also there is a reason why you have a knock sensor on your engine..

Snakes709 · 08-25-2011, 10:17 PM

Quote:

Originally Posted by cossie1600

Stock maps are very conservative. In your EVO, you can easily pick up 20-40hp with just a simple tune and better gas mileage (I broke one in and couldn't do more than 21mpg on hwy at 65 cruise for 80 miles). It's all placebo effects.

Also there is a reason why you have a knock sensor on your engine..

yes i know stock tunes are very conservative...my car runs rich as **** (9.8 - 10.0) But the point still stands that running a car (any car for that matter) at the track might cause knock (stock or not)...things happen when you push the car hard all day. Putting higher octane is just more insurence. And out here in Edmonton, 91 octane at mostly all the gas stations is like 1.24/L... the station that has 94 octane is only 1.26/L...not that much of a difference but im able to get about 50kms more on a tank of gas with 94.

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08-25-2011, 09:47 PM	#1 (permalink)
cossie1600 A True Z Fanatic Join Date: Jun 2009 Location: californee way Posts: 5,380 Drives: 370, Leaf Rep Power: 31	Stock maps are very conservative. In your EVO, you can easily pick up 20-40hp with just a simple tune and better gas mileage (I broke one in and couldn't do more than 21mpg on hwy at 65 cruise for 80 miles). It's all placebo effects. Also there is a reason why you have a knock sensor on your engine..