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Original Message
RE: About the strength of the bolt...
By Dave Shoe - 12/10/2001 6:55:50 PM; IP 216.243.158.156
You are correct in your assessment that I do consider the hybrid bolt a problem (I would actually say, "Potential problem", until I can learn otherwise), and I have already proven to myself I am reluctant to use the set I have.

By now, I'm sure you've also noticed I'm frequently wrong in many of my posts.

I also know (by reputation only) that George Gessford would not use them if he did not recognize their value.

I believe I'm gonna have to create an experiment for myself which will destroy a number of used rodbolts. The experiment will involve machining a thick steel plate so I can reef on a bunch of different rodbolts I've got laying around (including my new hybrid ARPs), to determine whether there is measurable deflection during tightening, and to just plain "see for myself" how these thinks do finally fail, just so I have an appropriate mental image in my head when I'm listening to the engine while powershifting.

I'll be interesting to see how the ARP hybrid bolt performs next to a factory 3/8", a 13/32", and a LeMans bolt. I'll probably toss a bunch of standard SAE-graded fine-treaded bolts into the experiment for good measure, and will also drill holes in ways which vary the "shank gap" which I perceive to be such a threat. In particular, I want to observe how much the LeMans bolt might move sideways when torquing, as I've got a lot of these "trilobe threaded" bolts to play with, and they've got quite a history.

I won't be doing this test anytime soon, but when I do, I'll naturally post on what I find.

Shoe.
This thread, so far...
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Collapse <a href=../ForumFE/reply.aspx?ID=9868&Reply=9868><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9868" onclick="return false;">New 13/32 connecting rod bolts?!?</a>&nbsp;-- <font color=#0000ff>Joshua Carroll, <i>12/07/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=9868', contentMargin: 60, icon: $('anchor9868') }); </script>  New 13/32 connecting rod bolts?!? -- Joshua Carroll, 12/07/2001
Collapse <a href=../ForumFE/reply.aspx?ID=9871&Reply=9868><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9871" onclick="return false;">RE: New 13/32 connecting rod bolts?!?</a>&nbsp;-- <font color=#0000ff>Mike McQuesten, <i>12/07/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=9871', contentMargin: 60, icon: $('anchor9871') }); </script>  RE: New 13/32 connecting rod bolts?!? -- Mike McQuesten, 12/07/2001
 RE: New 13/32 connecting rod bolts?!? -- Joshua Carroll, 12/07/2001
Collapse <a href=../ForumFE/reply.aspx?ID=9876&Reply=9868><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9876" onclick="return false;">I'd avoid the ARP bolts.</a>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>12/07/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=9876', contentMargin: 60, icon: $('anchor9876') }); </script>  I'd avoid the ARP bolts. -- Dave Shoe, 12/07/2001
Collapse <a href=../ForumFE/reply.aspx?ID=9880&Reply=9868><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9880" onclick="return false;">RE: Now, I found out!</a>&nbsp;-- <font color=#0000ff>Mike McQuesten, <i>12/07/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=9880', contentMargin: 60, icon: $('anchor9880') }); </script>  RE: Now, I found out! -- Mike McQuesten, 12/07/2001
Collapse <a href=../ForumFE/reply.aspx?ID=9884&Reply=9868><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9884" onclick="return false;">I think I may have started the bad rumors.</a>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>12/07/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=9884', contentMargin: 60, icon: $('anchor9884') }); </script>  I think I may have started the bad rumors. -- Dave Shoe, 12/07/2001
Collapse <a href=../ForumFE/reply.aspx?ID=9886&Reply=9868><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9886" onclick="return false;">ARP bolts</a>&nbsp;-- <font color=#0000ff>Royce Peterson, <i>12/07/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=9886', contentMargin: 60, icon: $('anchor9886') }); </script>  ARP bolts -- Royce Peterson, 12/07/2001
Collapse <a href=../ForumFE/reply.aspx?ID=9891&Reply=9868><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9891" onclick="return false;">Nope.</a>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>12/07/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=9891', contentMargin: 60, icon: $('anchor9891') }); </script>  Nope. -- Dave Shoe, 12/07/2001
Collapse <a href=../ForumFE/reply.aspx?ID=9913&Reply=9868><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9913" onclick="return false;">RE: Nope.</a>&nbsp;-- <font color=#0000ff>Mario428, <i>12/09/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=9913', contentMargin: 60, icon: $('anchor9913') }); </script>  RE: Nope. -- Mario428, 12/09/2001
Collapse <a href=../ForumFE/reply.aspx?ID=9917&Reply=9868><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9917" onclick="return false;">I stand by my bad opinion.</a>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>12/09/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=9917', contentMargin: 60, icon: $('anchor9917') }); </script>  I stand by my bad opinion. -- Dave Shoe, 12/09/2001
Collapse <a href=../ForumFE/reply.aspx?ID=9919&Reply=9868><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9919" onclick="return false;">RE: I stand by my bad opinion.</a>&nbsp;-- <font color=#0000ff>Chip Huffman, <i>12/09/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=9919', contentMargin: 60, icon: $('anchor9919') }); </script>  RE: I stand by my bad opinion. -- Chip Huffman, 12/09/2001
 ARP PI/CJ bolts are a special design. -- Dave Shoe, 12/09/2001
Collapse <a href=../ForumFE/reply.aspx?ID=9918&Reply=9868><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9918" onclick="return false;">About the strength of the bolt...</a>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>12/09/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=9918', contentMargin: 60, icon: $('anchor9918') }); </script>  About the strength of the bolt... -- Dave Shoe, 12/09/2001
Collapse <a href=../ForumFE/reply.aspx?ID=9930&Reply=9868><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9930" onclick="return false;">RE: About the strength of the bolt...</a>&nbsp;-- <font color=#0000ff>Mario428, <i>12/10/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=9930', contentMargin: 60, icon: $('anchor9930') }); </script>  RE: About the strength of the bolt... -- Mario428, 12/10/2001
RE: About the strength of the bolt... -- Dave Shoe, 12/10/2001
Collapse <a href=../ForumFE/reply.aspx?ID=9955&Reply=9868><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9955" onclick="return false;">RE: Nope.</a>&nbsp;-- <font color=#0000ff>Bob, <i>12/11/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=9955', contentMargin: 60, icon: $('anchor9955') }); </script>  RE: Nope. -- Bob, 12/11/2001
Collapse <a href=../ForumFE/reply.aspx?ID=9957&Reply=9868><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9957" onclick="return false;">An FE forging can be drilled either way.</a>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>12/11/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=9957', contentMargin: 60, icon: $('anchor9957') }); </script>  An FE forging can be drilled either way. -- Dave Shoe, 12/11/2001
 I found a bolt science web page !! -- Paul C., 12/11/2001
Collapse <a href=../ForumFE/reply.aspx?ID=9879&Reply=9868><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9879" onclick="return false;">RE: New 13/32 connecting rod bolts?!?</a>&nbsp;-- <font color=#0000ff>Bob, <i>12/07/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=9879', contentMargin: 60, icon: $('anchor9879') }); </script>  RE: New 13/32 connecting rod bolts?!? -- Bob, 12/07/2001
Collapse <a href=../ForumFE/reply.aspx?ID=9961&Reply=9868><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9961" onclick="return false;">Valve Spring Cups and Rod Bolts!</a>&nbsp;-- <font color=#0000ff>Joshua Carroll, <i>12/11/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=9961', contentMargin: 60, icon: $('anchor9961') }); </script>  Valve Spring Cups and Rod Bolts! -- Joshua Carroll, 12/11/2001
 RE: Valve Spring Cups and Rod Bolts! -- Bob, 12/11/2001
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