Originally Posted by vstech

with gassers it's even pressures you are looking for, and anything over 80 is fine to run. with older diesels you need over 250 evenly or 300+ as long as none of the cylinders are less than 30psi lower... for a new DI low compression motor, I think you need like 200+ and perfect balance between the pots. look for dry pressure tests then a small bit of oil in the cylinders to see if the rings/cylinders are leaking oil in the pot will slightly raise the pressure if it's in the pot, if the pressure drop is from the valves, oil will make no noticeable difference.