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fuel injection upgrade

My Edelbrock fuel injection definitely increased my gas mileage. Since I drive it around town about 7 months each year, the initial cost paid for itself in better gas mileage after about 5 years. I went from about 12 mpg to 19 mpg, but that included a great rebuild of the engine for my 340 with the addition of fuel injection. So, I increased the hp (engine rebuild) and the mpg (fuel injection) which was a huge improvement overall.
 
My Edelbrock fuel injection definitely increased my gas mileage. Since I drive it around town about 7 months each year, the initial cost paid for itself in better gas mileage after about 5 years. I went from about 12 mpg to 19 mpg, but that included a great rebuild of the engine for my 340 with the addition of fuel injection. So, I increased the hp (engine rebuild) and the mpg (fuel injection) which was a huge improvement overall.
Good to know, thanks for the input.
 
The rebuild was the majority of that improvement.
People kill for 10% gain, you got over 50%, unheard of.
I gained 1-2mpg, went from 12 to 13-14 or so for the EFI only.
When I added OD that was a game changer, and that only gained 25%
 
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