Places that start with W, Wednesday
05-09-2018, 10:57 AM
#17
Thanks Thomas.
And qq: 3500 is what both IAG, Cobb, and Rallispec (among other builders) recommends. My understanding is that you don't want to spin it high until you've cycled out any and all of the metal/contaminants.
Upon close inspection of the drained oil at 50mi, I saw a ton of microscopic metal specs (which is expected, as long as they're not large in size). At this point my only concern is cycling out all contaminants. I'm fairly certain the rings/valves have seated
And qq: 3500 is what both IAG, Cobb, and Rallispec (among other builders) recommends. My understanding is that you don't want to spin it high until you've cycled out any and all of the metal/contaminants.
Upon close inspection of the drained oil at 50mi, I saw a ton of microscopic metal specs (which is expected, as long as they're not large in size). At this point my only concern is cycling out all contaminants. I'm fairly certain the rings/valves have seated
05-09-2018, 12:06 PM
#21
Call me Pebbles
iTrader: (11)
Join Date: Nov 2011
Location: I do all my own physics.
Posts: 5,908
Car Info: Moist
The main bearing was about to fail and was knocking. One half of the main bearing was hammered almost completely into the casing and the other half was practically untouched. Root cause was sloppy machining--the crank line hone was out almost 3mm in some spots.
Granted it's not a built motor, but we did the same for Nicole's car from new and it's solid burning zero oil.
05-09-2018, 01:48 PM
#23
Love the Prodrive--by far, my favorite out of all of them. It would still be on the car, but needed more flow. Gave serious consideration to hacking the pipe off and having a shop weld a 3" catback with a step into the muffler, but that probably would have changed everything about the sound.
I'm also debating getting a muffler delete done for the Q300. That would be cost effective.
This seems to be coming up a lot. Are Subarus not supposed to burn oil?
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