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Terry:
Thanks for your reply.
Just thought I would follow up with a comment about the suggestion that
Phoenix apply heat treatment to the con. rod bolts used is association
with the rods for their crankshafts.
Evidently, they simply buy these items in direct from a USA company
called ARP (Automotive Racing Parts?) and they are used and fitted as
shipped. I also understand that it is vital that these bolts, which
are single use components, MUST be oiled before fitting as failure to
do so adversely affects the coefficient of friction for them - and it
is likely that this would result in overtightening, as they are not
exactly finger tightenable.
Hope this contribution may add light rather than heat to the debate!
Regards
Dick Morbey
-----Original Message-----
From: Morbey, Richard
Sent: 07 August 2000 22:32
To: 'TATERRY@aol.com'; 'mg-mmm@autox.team.net'
Subject: RE: Phoenix connecting rod bolts
Dear All,
I was concerned to read Terry's message which suggested that there
might be a problem with the well-regarded Phoenix products. My concern
was based on self-interest as my PB engine (yet to be fired up for the
first time) has been assembled with a Phoenix crank and rods.
Enquiry from a source with very direct knowledge of Phoenix and their
business reveals that there was indeed a failure of a MMM racing engine
in the USA within the last year resulting from a rod bolt failure.
Tests conducted show that the failure occurred because the single-use
stretch bolts had been overtightened well beyond the recommended
torque, which I understand (but please check with Phoenix) is 35 foot
pounds.
As to rumours of the imminent demise of Phoenix - I am assured that
there is no basis of fact behind this story. Mark Twain had a similar
experience, I gather.
The MMM bulletin board is a veritable mine of information, but I felt
moved to respond on this occasion because I know only too well the
damage - however unintended - that can be caused overnight to
reputations that have been hard-earned over years.
I should add a disclaimer that I have no relationship with Phoenix
other than being a (so far) satisfied customer.
Regards to all
Dick Morbey
-----Original Message-----
From: TATERRY@aol.com [mailto:TATERRY@aol.com]
Sent: 04 August 2000 16:28
To: mg-mmm@autox.team.net
Cc: TATERRY@aol.com
Subject: Phoenix connecting rod bolts
Dear Prewarriors, a note of caution! From an extremely reliable
source,
I've learned that the results of an independent engineering failure
analysis
said that rod bolts heat treated by Phoenix in early 1999 resulted in a
faulty batch!! and that was the direct cause of a catastrophic failure
of a
MMM engine of some note.
It was also said that Phoenix is going to fold up in 2001.
This information is second hand and not collaborated by any
documentation.
It is not my purpose to spread rumors and my information is that
Phoenix has
always manufactured a very high quality product. Being in the rolling
stock
business, I know first hand how easily something like this can happen
by an
outside vendor. So just to caution that if you have rod bolts
installed in
your engine that may have come from this batch, you'd be advised to
replace
them....that would be January or February of 1999.
Terry
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