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Old 02-09-2012, 05:33 PM   #1
carl johansson
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Default Rev limiter?

OK,
I am reluctantly putting what may be an idiot into our lemons car. My primary concern is that he will blow a shift, or slam a downshift without RPM matching, and pop the motor.
This thing is bullet proof, if you keep RPM under 6000!

So how do i limit the RPM. In my other cars I have one of those MSD E Ignitions, where I just change out a chip, don't know how to address the supra!

Carl Johansson
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Old 02-09-2012, 06:32 PM   #2
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The Supra's rev limiter engages at redline. So 6,500RPM if you've got a 6M crank (86.5 through part of 89) or 6,250 if you have a 7M crank. There's no way of adjusting it without affecting the entire system's clock (see: everything else will be off). You may do what you did with your other vehicle and install an add-on for ignition control, but I don't think it's worth it as redline is pretty close to your target.
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