help!! jerky launch.. rpm drops

SouthArk370Z

If the brake lights are on, the ECM limits power/RPM. Is that what you are seeing? If so, you can clip the feedback wire from the brake lights to the ECM.

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tturbo370z

Welcome to owning a Z i have had lots of manual cars and this one by far takes the most finesse. They are clunky and noisey but the more u drive it the better u get at it and used to to. Following the advice given above will help. I mostly **** around the same mentioned 1200-1500 and Its fine for me. If I'm slowly creepy up the drive way I got he garage is around 1500 or a pinch higher or it clanks around pretty bad. I also have a os Giken clutch which is a lot less forgiving as it's either on/off. Good luck OP

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juld0zer

yep, there could be an issue with OP's car. but if he is taking off the way i picture it (hold revs at 2000rpm and clutch pedal all the way down, then gradually release the clutch pedal), the car should take off pretty briskly albeit with the cabin reeking of clutch smoke