v8 block thread cleaning

[ECMnut at aol.com]

Hi Ted,
don't you simply use a tap in the bolt holes to clean them?
MIke V
> 
>  what do you guys use to clean up the block head bolt holes ?
>  it would be criminal to torque my shiny heads to all that crud down there,
>  which I think exits to the water jacket and or the oil pan ? especially 
with
>  the arp thread sealer/lube on them.
>  
>  I see that snap on has a thread chaser tool set, rtd-42, however I can't
>  seem to find a local snap on guy to buy it from.
>  
>  compressed air would blow that junk down into my engine beyond any doubt.
>  
>  so if you were doing a valve job, what do you use ?
>  
>  thanks, Ted Stowe