R33 Skyline Project (BACK TO THE GARAGE!!!) 

ignition barrel can cause issues like electrics tripping off when you hit bumps. Take the plastic out and clean up the connectors.

Let's hope Ryan that the tune sorts out the problem .....about time you had some luck !!!!!! Fingers crossed bud..

you r based map cold start is not good to much fuel and spar plus needs gapping otherwise will misfire..