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03-04-2021, 08:18 PM | #45 |
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I'm trying to figure out what would explain only the first part of the threads shearing off?
My only theory is that when the OEM bolt was stretched a second time the thread pitch changed, nearest the shank? Would that act like a jack and explain why only part of the threads completely failed?
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03-04-2021, 09:17 PM | #46 | ||
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03-04-2021, 09:21 PM | #47 |
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I don't have pics but all the bolts look perfect. Of course if there was thread debris when this first happened it's easy enough to clean the bolt up before presenting them to the customer.
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03-04-2021, 09:46 PM | #48 |
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Anyone else think it's kind of odd BE requires plastigage proof for warranty purposes yet they state/admit how it is anything but accurate for measuring purposes. So why waste the money on labour.
I'd understand asking for pics of crank and prior bearings to be sure nothing was badly off clearances wise. |
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03-04-2021, 09:48 PM | #49 | |
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03-04-2021, 10:01 PM | #50 | ||
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03-05-2021, 01:05 PM | #51 |
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Did they give a reason why they measured with previously used single use only oem bolts instead of the new ARP BE bolts? I would assume in the case of a failure and a warranty claim was made, BE would want evidence that a proper bolt was used during measurement?
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03-05-2021, 07:32 PM | #52 |
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TIS specifies to use the old OE bolts to check clearance. That is not the issue.
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ha998193.50 MilehighM3915.00 |
03-05-2021, 08:25 PM | #53 | |
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Nothing wrong with using those old bolts for the plastigage step. What if someone used a high torque gun on clockwise trying to undo the rod cap. Wonder if that's what it takes to ruin the rod threading. |
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03-05-2021, 09:33 PM | #54 | |
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To use old oem bolts to check clearance is fine |
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03-05-2021, 09:38 PM | #55 | |
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03-05-2021, 10:40 PM | #56 | ||
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03-06-2021, 09:45 AM | #58 |
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How does lack of oil change cause oil starvation or excessive heat? :
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03-06-2021, 11:23 AM | #59 |
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Just cross linking this for the OP:
https://www.m3post.com/forums/showpo...postcount=2089 Build thread for 4.4L stroker results in 61HP gain. https://www.m3post.com/forums/showthread.php?t=1423749 Out of the fire: 4.4L S65 stroker install https://www.m3post.com/forums/showthread.php?t=1414377 VAC Motorsports | VAC 4.4 S65 Stroker Kit Build (CP, Carrillo, Darton, Schrick) https://www.m3post.com/forums/showthread.php?t=739118 .
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03-06-2021, 09:49 PM | #60 | |
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For me, first priority is long term reliability. What's the opinion of the forum regarding a new stock motor vs the Dinan 4.2L? I'm leaning towards the 4.2L since it addresses several issues associated with the stock build. Would the M3 community perceive the Dinan motor as an upgrade? |
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03-07-2021, 03:58 AM | #61 | |
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Mechanics use impact wrenches too much this days. Hope it all works out for you! |
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03-07-2021, 11:57 AM | #62 | ||
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03-07-2021, 01:08 PM | #63 |
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03-07-2021, 01:37 PM | #64 | |||
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03-07-2021, 04:45 PM | #65 | ||
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03-07-2021, 08:55 PM | #66 | |
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