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06-02-2014, 01:44 PM | #426 |
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Clearances that are outside of recommended spec may work for a short term but in the long run it will greatly accelerate wear and cause failure.
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06-02-2014, 04:09 PM | #427 |
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Chapter/Region:
MAIC
Location: Pennsylvania
Vehicle:2006 WRX Limited OBP |
Last edited by 2Fast4U1DAY; 06-02-2014 at 04:23 PM. |
06-02-2014, 04:28 PM | #428 | |
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06-02-2014, 06:50 PM | #429 | |
Scooby Specialist
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06-02-2014, 08:02 PM | #430 | |
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Quote:
Like I said no point in really worrying too much about it until you throw the bearings in and measure. |
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06-02-2014, 09:39 PM | #431 |
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Thanks guys for the input - I think I'll go with it. My rods Are all about .0023 with the king extra oil clearance. They are very consistent, but unfortunately just not cutting it on the mains. The king mains are the nicest too it's too bad they don't make a less oil clearance one. My current only option is to get the cosworth size 0 (acl oversize) for the mains and try it, but I don't know how much that'll help.
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06-06-2014, 11:36 AM | #432 |
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Ok, so i've cleaned the cases of any bearing materials. I forgot to spray them down immediately so there are small rust dots around, but I think they will all clean up np.
What i'm wondering about is these lines down each of the cylinder walls. They weren't there after honing. All ring end gaps were set within the specs provided by CP. I used the proform ring filer which assists you in performing an even file. I can't feel anything with my nail, but am curious if this is part of the ring seating process, etc. |
06-06-2014, 11:53 AM | #433 | |
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06-06-2014, 12:41 PM | #434 |
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Here are what the pistons and the bore look like. The marks seem to correlate with the bottom of the skirts, due to the slight scuffing on the skirt and that the markings go all the way to the bottom of the bore. Not sure if this is normal. The rings don't really looks worn or damaged, in my unprofessional opinion :P
Last edited by BeastianSTI; 06-06-2014 at 12:47 PM. |
06-06-2014, 12:58 PM | #435 | |
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06-06-2014, 01:17 PM | #436 | |
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06-07-2014, 04:50 PM | #437 |
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I tip my hat to you for doing this yourself. I don't have the balls for this.
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06-07-2014, 05:32 PM | #438 |
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06-07-2014, 07:32 PM | #439 |
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Vehicle:2005 forester STI |
Points for keeping your chin up and problem solving. Awesome stuff
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06-07-2014, 09:08 PM | #440 | |
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Quote:
After talking with John at Outfront, im really pondering the cause of the bearing damage. It sounds more like there was debris in the heads or something that didnt make it out, rather than just an oil pressure issue. He said that the assembly lube should mitigate that issue, and you could likely run an engine for 20 seconds on just lube itself without seeing oil pressure, and we would be just fine. |
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06-07-2014, 09:38 PM | #441 |
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I went to harbor freight tools and got myself a telescoping blow gun for my compressor just to make sure I don't have that after getting pieces back from the machine shop. Never hurts to triple check everything. You'll get it sorted. Gonna make it all the more sweeter once she is running since you put in the work yourself.
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06-07-2014, 10:18 PM | #442 | |
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Quote:
Yeah thats probably something I should pick up. I actually just recently got my aor compressor going, which I'm considering to be essential this time around ha ha! |
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06-10-2014, 01:08 AM | #443 | |
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Quote:
How confident are we all that the cause of my failure was low oil pressure? Just so I make sure that i'm not turning a blind eye to other possibilities of course |
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06-10-2014, 10:35 AM | #444 |
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Bump - any input guys?
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06-10-2014, 10:58 AM | #445 |
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Was that or heads/block wasn't cleaned well enough. That's why I'd spend 1-200 to have a machine shop clean both very we'll. make sure they pull on the hex plugs in the heads also.
Sucks when you rip something apart and can't pin point what caused the issue... |
06-10-2014, 11:47 AM | #446 | ||
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Quote:
I have a second source which said... Quote:
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06-10-2014, 12:25 PM | #447 |
Scooby Newbie
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We need to get a thread on how to clean an engine after it comes back from the machine shop
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06-10-2014, 12:35 PM | #448 | |
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Quote:
I use ATF for two reasons. High detergent to help pull surface dirt and debris (shavings and burrs) away from the wall. The red color of the ATF gives you a visibility factor. Last edited by 2Fast4U1DAY; 06-10-2014 at 12:58 PM. |
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06-10-2014, 12:50 PM | #449 |
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Sucks - I really thought everything was nice and clean. Tied a large plastic bag around the engine stand every time I finished working with the engine too haha.
Now I see why you say to use ATF. |
06-10-2014, 01:52 PM | #450 |
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So loving this thread right now!!
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