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Re: dowels and bolts



When he stopped taking his medication, strange voices in
cookiedan@domain.elided (Daniel Nees)'s head said:

>There was some discussion about engine dowels a while back. 
>   While reading Carroll Smith's fastener book he states that bolts only
>job is to clamp, dowels are to locate. Therefore the dowel pines should
>be kept and used whenever needed. Bolts should not be used to locate
>things just to clamp them.

Then I guess Carroll Smith better talk to all the automotive engineers that
designed connecting rod bolts to *locate* and *clamp* the large end bearing
cap.  On many engines, the IH being one of them, connecting rod bolts
provide a very precise fit (less than .0005" play) for the locating the
bearing cap in addition to the clamping forces.

Regards,

John L.
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