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07-21-2015, 03:17 PM #1
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How high on RPMs can a stock 4 tec go?
Want To get a little more speed out of my GTX supercharged.Heard Of modified ECUs. Any Input or Suggestions??
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07-21-2015, 04:11 PM #2
i have been spinning my stock motor to 9k for a while now with nothing more than good springs and retainers.
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07-21-2015, 06:48 PM #3
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WOW!!!! How did you get to 9g??
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07-21-2015, 06:49 PM #4
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OK. I see your Specs
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07-21-2015, 06:56 PM #5
9K is common around here
now 10K is spinning ...
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