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Might need a cp3 upgrade. My 50s do a pretty good job of draining the rail. If you're running edge tuning like your sig says you will definitely drain it. And egts will be through the roof.
 

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Are you wanting these for more power or are your stock ones bad?
 

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Bigger injectors aren't going to help power by themselves. To do it "right", imo, you'll need a cp3 upgrade and a turbo.
 

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imo ? and i wanted to go to the 60hp injectors for better fuel mileage so would i need all that stuff to get better fuel mileage and for it to run properly ?
Imo=in my opinion. Yes for it to run how I believe a truck should run that's what you'll need. I hate not having enough cp3. But $1000 for a turbo plus 1800 for cp3(s) plus at least $2100 for injectors. Plus probably 10 hours to put it all on. Might gain 1-2mpg IF YOU'RE LUCKY. How many miles will it take before you've saved $5000 in fuel?
 
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