Evo injectors and valve stem seals questions

Volvospy

New Member
Sep 9, 2009
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Northern VA
I installed a set of 6 evo injectors on my car. The o-ring is fine and I can order from Mitsubishi dealer. However, there are seals next to the o-ring that I don't have. I have to use the seals from our stock 440cc injectors, but they're kinda loose. Anyone knows where I can get new seals that fit well? Also, I feel a little fuel hiccup when I push the car hard, is it because of the oem fuel pump? (assume my car is very well tuned and that is not fuel cut) Thanks!

I have a little oil burn somewhere that I'm pretty sure that is not from the valve cover gasket. I found little oil at the cylinder 6's spark plug and oil all over my intake manifold and air intake. My car has 195k, is it time to change valve stem seals? Also, there is a little misfiring at idling that is not from vacuum leak, is that also because of the bad valve stem seals? Thank you!