Need help from the brains trust have a rebuilt gq rd28 with supporting mods.
I have turned the boost comp fully up and a 1/2 turn on the main fuel screw driving normal the patrol purrs along beautifully.
The problem is when wind out the gear and qive it a gut full and tak it to full boost of...
I would like to get some advice please whether a GU RD28 will bolt strait into a 98 GQ that has a dead RD28.
Will you need to change any parts on the engine or the driveline? Do the electrical components need changing?
Any advice would be much appreciated.