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distributor drive shims


>From: Carlson Bryan J <bjc159s@nic.smsu.edu>

>I'm assembling an engine (slowly but surely), and I measured the gap that 
>existed between the distributor drive shaft and the case with the shims 
>inbetween and  the distributor installed (case halves apart).  One of my
>manuals says that the gap should be between .020" and .050".  The gap is 
>currently .073".  Went to the parts store (VW specialty) and they said 
>that they don't have anything like that and that no one ever paid 
>attention to that gap anyway. There are currently two shims in place.
>My questions is:  is this gap truely not important?  Keep in mind that 
>this info is from the Tom Wilson book that Jim has already chastised.  
>I'm wondering if this info is questionable.

I don't recall ever seeing such a spec, but I could be wrong.  I have 
certainly never bothered to check it.  The small spring that you should have 
on the top of the drive gear should make the gap irrelevant until it reaches 
truly monstrous proportions.  Two shims is the correct number; I think this 
is universally agreed.

I will look at some of my other manuals one of these days.

Jim
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       Melissa Kepner                                    Jim Adney
       jadney@vwtype3.org              jadney@vwtype3.org
                             Laura Kepner-Adney
                             Madison, Wisconsin
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