Recent content by mrgeophysics

I have a problem with my vq37vhr (naturally aspirated V6, non-DI) engine with 105K miles on it. The issue is not major but rather annoying. RPM drops below the nominal idling value (650 ± 50) for a split second at a hard stop after some highway miles. The car shakes at that moment but...

I am no mechanic by all means but I am a diy'er and I do a lot of research before I diy anything. From what I have been reading/watching for the last week or so this thread makes the most sense. Apart from helping DI engines with carbon build-up, respectable catch cans (rx, elite e2) are...