Wow!  The differences in opinions is so varied when it comes to the subject of 
safety wire.  From absolutely nothing to almost everything, and whatever may 
fall between.  Ed, you have your oil pan drain plug and your oil filter wired 
with very  little else.  John you mentioned that your oil pan bolts are wired.  
Are these all of the small 6mm bolts?  If so; how did you wire them?  Did you 
drill them, are they weaker because of this as someone has mentioned?  Also 
John; What type of mount are you using?  Is it the bed mount that relies on the 
6mm bolts?  You would not want to weaken any of these bolts however you wouldn't 
want any of these bolts to come out.  Al, you mention that you don't have 
anything safety wired and haven't experienced anything important coming lose in 
a car.  I have and it was very impor
tant. It was a tube and o-ring related to 
the coolant system that was held into the block by one bolt.  Needless to say 
the one bolt backed out, I lost coolant over heated and I
 pulled over to the side of the road.  I cannot pull over in a plane.  It would 
be nice if we didn't have to wire anything, however we must decide what is 
critical.  Bill, I think that your knowledge as a racer is priceless.  We could 
all benefit from you knowledge and find out what falls off of motors that we 
really don't want to fall off.  It would appear that oil drains and coolant 
drains are the most important in racing.  Not only does it protect your engine 
from complete failure from oil loss or coolant loss, but it also protects other 
racers on the track as these fluids if spilled onto the track become very 
slippery.  And once again Ed, you mention that drilling bolts could weaken them, 
and I agree.  So the question is; When is a bolt or nut to small to drill?  
Bill, I also agree with you when you say that "most bolts don't need safety wire 
if you remember to tighten them".  However what I find interesting is that no 
one has mentioned or suggested the use of thread lock along
 with proper torquing.  And as far as the tension bolts go from what I 
understand is that Tracy Crook does not recommend safety wire on these bolts.  
He does however recommend the use of rtv sealant on these bolts.=2
0 What about 
sealant and thread lock?  Thanks everyone.

 Keith
RV-7A
13-B 

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