tehehodi/JDM 2g project car

[4g63tcrazy]

Originally Posted by JET

How does an afpr get you better gas mileage??

If your over-running your stock one, your running rich most the time. Buy an adjustable regulator and fix it and you're back to a good a/f.

[asshanson]

Originally Posted by 4g63tcrazy

If your over-running your stock one, your running rich most the time. Buy an adjustable regulator and fix it and you're back to a good a/f.

Won't the fuel trims account for this?