what the man ^ said.u need to know what colour gears u have in it now and how far out the speedo is.
dont go off the holden book cause tyre size affects it. what ive got in mine with 3.55's is 100% accurate but doesnt match up with what the holden book says
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manuals have 3 pedals.
1: the loud pedal 
2: the oop's that was the cops pedal rifle
3:the gearbox smashing pedal 
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