so guys im back 02 wrx catless down pipe, stock intake, axle back exhaust, ap stage 2 93 tune.
after my misfire issue i figured out my effin engine blew, piston rings on 3 and 4 were roasted. no biggie i had another block from an 05. So i threw it together and started it up. Sounded great! let it get to operating temp and check engine light....... cylinder 4 misfire. Here we go again. but wait it went off and access port didnt read it. so i took it for a spin.
awesome no check engine light. throw it into neutral and bam idling misfire, hardly noticeable. well i did some diagnosing and trial and error but still kept getting misfire. So i decided to do compression test.
150 on cylinder 1,2,3 and 30 psi on cylinder 4. Maybe i put a ****ty valve in HAHAHAHA wasnt the case! i had another blow piston ring on cylinder 4!!!!!
Is running stage 2 bad for these engines or something or is this just a ****ty coincidence that is happening to me?? the car ran completely fine under load! im really confused and obviously once i find a stock block again im going straight to stock on this car and selling my access port. Ive built 2 sti's and 4 wrx's now and havent had an issue cause they were alllll stock!!!!!! WTF>? Help!<