If its new bottom end then 12bar (175psi) across all 4 mate.
Test as follows:
Warm engine (15mins running)
Remove all 4 plugs
Screw in tester into No. 1
Accelerator to the floor
Crank for 10sec
Take reading...
Repeat for 2,3, and 4.
Last edited by Karlos G; Jan 18, 2009 at 10:20 AM.