Places that start with W, Wednesday
Thread Starter
It's QQ thankyouverymuch
iTrader: (39)
Joined: May 2007
Posts: 19,721
From: San Jose
Car Info: 2011 SWP WRX Hatch
Interdasting. I'm thinking about getting an exhaust I've once had before.
On that 14k engine, what was the failure?
Also, 3500 just seems way low to me.
On that 14k engine, what was the failure?
Also, 3500 just seems way low to me.
In Russia, Title Choose You.
iTrader: (29)
Joined: Apr 2007
Posts: 5,858
From: Sacramento/Rancho
Car Info: Everywhere
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
Call me Pebbles
iTrader: (11)
Joined: Nov 2011
Posts: 5,908
From: I do all my own physics.
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.
Thread Starter
It's QQ thankyouverymuch
iTrader: (39)
Joined: May 2007
Posts: 19,721
From: San Jose
Car Info: 2011 SWP WRX Hatch
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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