ECU Question
#1
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![Question](https://www.rx7club.com/images/icons/icon5.gif)
i have a stock fc3s gtu non turbo, i want to know how high i can rev without blowing my engine. whtas a safe rmp?
i want to upgrade ecu and tacho. meter so i can use my engine to its full potential.
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#3
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Yeah, what the tach says. Unless you go balancing and clearancing the rotating assembly, replace the stationary gears and do ignition mods. Also you won't make much power past redline especially with stock ports. Maybe if you go peripheral port or somthing really wild.
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