[Fot] Overheated parts

[Marcel Van Mulders]

Take a risk of reusing or not : maybe it depends on how the bearings and
bearing surfaces are looking : if bearing material is heat welded on the
crankshaft  or the crank bearing surfaces are rough, you cannot reassamble
the engine like that of course. But if the bearing surfaces are unmarked
(except for the colour), why not try and reassemble the engine with new
bearings and check after every added bearing and conrod if the crankshaft is
rotating without high points?
Marcel

  _____  

Van: Fot [mailto:fot-bounces at autox.team.net] Namens Joe Boruch
Verzonden: donderdag 25 juni 2015 4:31
Aan: SpiwakD at aol.com
CC: fot at autox.team.net
Onderwerp: Re: [Fot] Overheated parts


Same thing happened to me 10 years or so ago.  I sent the crank back to
Moldex to be reworked by them.  Less time than a new crank, but still took a
while.  The Carillo rods were toast.  Some were twisted.  Did not want to
risk using them, even if we tried to straighten them.  Changed to Pauter
rods, since they are much less expensive.  With all the expense of an
engine, it is not worth trying to get by with questionable parts.  Good luck
with it.  Joe(B)

---------- Original Message ----------
From: SpiwakD at aol.com



The oil pump broke in my TR4 and roasted the bearings. The Moldex steel
crank and Carillo rods are not damaged but are now a blue color from being
overheated. The machine shop is wondering if it is ok to use them. What are
FOT thoughts? It takes 6 months to have another crank made.


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