hi havnt been on here for a while, my friend has just bought a gt turbo and asked me to help him sort it out and tidy it up. my car is nearly ready for the road after a long 2 year restoration and over 6k spent. could anyone tell me or post me in the right direction for any thread on tuning the gt turbo upto 15 psi on standard turbo. i have already told my friend what to buy to get it set up, all the basics, low temp fan switch new dizzy , dizzy rotor arm and leads ,full service kit, carb overhaul kit, green seals, new king lead,new mixture screw, double alloy intercooler, boost,oil pressure and rev guage, oil cooler.all the things needed to keeps things in check! my car is running 200 hp and i have a wideband set up. but because i havnt touched my car for over a year im a little rusty on jet sizes for tuning. could anyone tell me what jet sizes are needed to wind standard turbo upto 15 psi? the car is going to be put straight on the rolling road to check afrs after ive done it but just need to make sure i have correct jet sizes in the carb! appreciate any help thanks