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Is all cross-drilling the same?

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Old Sep 29, 2005 | 02:42 PM
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Default Is all cross-drilling the same?

http://www.findarticles.com/p/articl...7/ai_n14799082
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Old Sep 29, 2005 | 02:58 PM
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http://www.aptfast.com/APT_Parts/Mac...T_machine2.htm

Notice the x drilling comment.
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Old Sep 29, 2005 | 10:50 PM
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928 cranks are already "cross drilled" the oiling modification to the crank is creating a new oil path to bearings 2/6 from the main bearing.
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Old Sep 29, 2005 | 11:59 PM
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To the end of the rod journal right? And filling in the original hole Jim?
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Old Sep 30, 2005 | 04:59 PM
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Jim?
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Old Sep 30, 2005 | 05:16 PM
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They must drill from the main bearing journal out to the rod bearing journal and intersect the existing cross drilled holes. The main bearing is then grooved to complete the oil pathway. Greg Brown has had good experience with the full 360 groove others prefer only a 180.
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Old Sep 30, 2005 | 05:20 PM
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I understand the concern about the 360 - I think it was addressed here recently.

I can't find it on your site Jim - how much is your service again? Exchanged crank with the proper bearings included with the price or do I give you my crank for the work?
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Old Sep 30, 2005 | 05:46 PM
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Brendan Taylor Engine in Whittier Ca. Ph 562-698-7231 drills the cranks .You give them yours they drill it.
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Old Sep 30, 2005 | 06:14 PM
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Who does the bearings then?
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Old Sep 30, 2005 | 06:17 PM
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Who does the bearings then?
Any machine shop. Bet Taylor will do it.
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Old Sep 30, 2005 | 06:20 PM
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You had yours drilled right John? Any issues?
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Old Sep 30, 2005 | 06:21 PM
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I remember Taylor machine from when I asked you a few years ago about this Jim. I'm not trying to go around 928intl by any means. I'm just trying to make sure I do the research again before I go for it on the 89 crank finally.
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Old Sep 30, 2005 | 06:24 PM
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No issues after three years. Taylor does a nice job.
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Old Sep 30, 2005 | 06:47 PM
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Another happy customer of Taylors. OKay.
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