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09-09-2013, 01:06 AM | #177 | |
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09-09-2013, 07:33 AM | #178 |
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leigh- about 1 mile before I pulled over it sounded like a bag was stuck under the car. and then the car started getting hot. so I pulled ovrr and it was ticking pretty bad. shut it down let it cool down and then when I started it back up is when I completely ate the bearing cause you could hear the rod knocking on the crank. it probably started earlier but before it blew up I was crusing with other loud cars and had the music on loud I was on my way to bimmerfest east.
regular guy- going to see if I can either get my crank fix (unlikely) or buy a used one out of a low mile stroker build. have it machined for proper clearances. then reseal the whole motor new rings possibly pistons depending on what they look like. and may have the heads rebuilt not sure. then probably breaking In new rings with rotella or equivalent. then turning to mobil race oil 0-50 and catless. and the lots of oil samples to blackstone. trying to get it done by the end of this month so I can break it in and get some miles on it then drop the pan over the winter and check the new bearings for wear. my buddy suggested using a oil heater or block heater basically anybody know if those are worth it. sounds like it would work 9 quarts is a lot of oil to heat up so I don't know if it would be worth it. |
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09-09-2013, 08:16 AM | #179 |
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If the clearance is properly set these things are not needed.
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09-09-2013, 08:59 AM | #180 | |
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09-09-2013, 10:51 AM | #181 |
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I am going to soon. I'm replacing a lot of parts! and by the looks of everything I'm taking apart these cars have all the same e46 problems (valve cover gaskets, engine mounts, etc all were bad in my car)
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09-09-2013, 06:06 PM | #182 | |
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09-09-2013, 06:52 PM | #183 |
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That appears to make sense. Until now, I've always started the car with the A/C ON and kept it ON. The engine bay would run smooth after these first 10-12 seconds. I realize A/C units sitting outside buildings also start very rough then get smoother. I will try with A/C off when I get the car re-delivered in the US.
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09-10-2013, 06:14 PM | #184 |
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Is there any way to increase oil pressure to the last 2 sets of bearings? It seems they're the ones that are worn down the most on many of these threads.
.
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Let me get this straight... You are swapping out parts designed by some of the top engineers in the world because some guys sponsored by a company told you it's "better??" But when you ask the same guy about tracking, "oh no, I have a kid now" or "I just detailed my car." or "i just got new tires."
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09-10-2013, 06:20 PM | #185 |
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Hopefully I'll show you a set of bearings in the next day or two that is equal opportunity destroyers. #1 looks fine, but #5 (same journal) doesn't. Same for #2 vs. #6. #3, #7 are equally bad, and I can't remember off the top of my head the difference between #4 and #8.
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09-11-2013, 02:28 AM | #186 | |
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I'm still hoping for aftermarket shells that will give more clearance. Why the hell would BMW make the SAME MISTAKE in the S85 and S65 as they did in the S54, where they had to do a recall??? .
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Let me get this straight... You are swapping out parts designed by some of the top engineers in the world because some guys sponsored by a company told you it's "better??" But when you ask the same guy about tracking, "oh no, I have a kid now" or "I just detailed my car." or "i just got new tires."
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09-11-2013, 06:37 AM | #187 | |
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There are a whole host of reasons why the design clearance ended up at these values as has been discussed over and over herein.
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09-11-2013, 07:43 AM | #188 |
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09-11-2013, 09:33 AM | #189 | ||
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Last edited by BMRLVR; 09-11-2013 at 11:08 AM.. |
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09-11-2013, 04:44 PM | #190 |
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leigh
going oem. Don't have the cash to do a stroker as much as I would love to. going to have the clearances set looser then oem, rings and replace every wear item. once it goes back together I'm going to have it tuned with a improved cold start redline and do some other various things . |
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09-11-2013, 06:52 PM | #191 | |
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Chris |
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09-11-2013, 08:50 PM | #192 |
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chris
my father has built a lot of motors and is certified in a lot of different fields of mechanics. so he is going to do the rebuild. other then the machine work. |
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09-11-2013, 09:01 PM | #193 |
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It's all doable with standard tools except cam timing and bed plate sealant. Cam timing requires special tools, and bed plate sealant does too, but for the latter you could probably use a toothpaste squeezer if I remember correctly. But cam timing tools are a must.
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09-12-2013, 07:37 AM | #195 | |
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One way the S65/S85 has no tie to the S54 is that the S54 cars were blowing up right and left and at very low mileage. There was such a large group of engines blowing that BMW blamed owners at first for overrevving, etc, then SMG cars were also blowing up, and about that time I recall Jim Conforti stepping in with the machine code details of how the DME records "overrevs" which in fact showed a gaping hole in BMWNA's rev claims (i.e. I think it recorded the total time spent over 7800rpms when redline was 8k).
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09-16-2013, 01:04 PM | #196 |
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Going to inspect bearings on a low-mileage 2011 M3 this week (shop M3 @ ~18K). Hopefully, findings will be much more favorable than the last inspection.
Here's a copy of the last Blackstone report: Torco Accelerator (octane booster) has been used in the past, which may explain the "additive" in the report notes.
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09-16-2013, 02:12 PM | #197 | |
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It'd be very interesting to see what the bearings look like.
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09-16-2013, 02:40 PM | #198 | |
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