strgas
GRA = REAL HP
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last vr v6 i did comp test on had 240 000 kms and came up with 205 to 210 psi across the pots , if theres less then 15 psi difference between the highest and lowest readings engine is consider in good condition , age wear and tear temp will all make the readings different even a battery low in charge will give lower readings when cranking the engine over allow aleast 6 -8 rotations of the engine on each cylinder , always compare the total readings of a given engine and rely on the cars manual as a guide to specs and tolerances given from factory engines and not high milage engines