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littlevictories · 07-26-2014, 11:53 AM

to answer your oil in the intake question, these motors seem like they pull a lot of oil through the PCV into the intake. I had a bunch of oil in mine and ended up adding a catch can.

also agree with brew. establish a baseline with a good MAF.

the timing jumping around. i'll see +45* at light cruise..but generally 22 at idle and 32 at WOT

I would also double check your grounds to the back of the head, and head to frame or body. I ended up with 3 engine to frame grounds before all my weird little issues stopped.

07-26-2014, 11:53 AM	#15
littlevictories Registered User Join Date: Dec 2013 Location: Portland, Ore. Posts: 348	Re: 5.3l 4l60e issues NEED HELP! to answer your oil in the intake question, these motors seem like they pull a lot of oil through the PCV into the intake. I had a bunch of oil in mine and ended up adding a catch can. also agree with brew. establish a baseline with a good MAF. the timing jumping around. i'll see +45* at light cruise..but generally 22 at idle and 32 at WOT I would also double check your grounds to the back of the head, and head to frame or body. I ended up with 3 engine to frame grounds before all my weird little issues stopped.