<VV> oil filter and alternator mount bolts...

[Ron]

I'd agree that there's no logic in using SS bolts on the engine except for 
talking (boasting) purposes.
RonH

----- Original Message ----- 
From: <mhicks130 at cox.net>
To: <virtualvairs at corvair.org>
Sent: Monday, August 01, 2005 1:17 AM
Subject: Re: <VV> oil filter and alternator mount bolts...


> To do a proper analysis of the bolts you need to know the loads being 
> applied and material properties of the aluminum and bolts.  Since I doubt 
> we're going to find out what the loads are we can do some qualitative 
> analysis.  We could estimate what type of aluminum is being used and 
> compare the available strength in the threads in the aluminum with the 
> strength of the bolts and if they're similar we're OK.  The thing that 
> would worry me is the fatigue question.  Car fasteners are subjected to 
> lots of cyclic loading, you wouldn't want the bolts to fail from fatigue. 
> Having said all that, I imagine that the stainless steel bolts would be 
> fine but given that the grade 5 alloy bolts are probably cheaper and that 
> this isn't a rust prone area, I'd stick with the grade 5.
>
> mike
>
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