Prowler V6

[xxalexx at ix.netcom.com]

> A lot of newer american cars are now using a mix of metric and standard in
> their cars. Oddly though these sizes seem different than what standards are in
> the rest of the world. For instance most european hex head fasteners have head
> sizes 10,13,17,19,22,24,27mm not sizes like 15 mm and 18 mm
> Anybody know why? are these maybe JIS (Japanese) as opposed to DIN (German)
> standards?
> Or did the american auto manufacturers buy stock in the tool companies?
> 
> Bill Edgeworth
> 
What uses a 9mm or 11mm?  I think there is a 16, 21  and 23 too. 
Some one would be doing a great service, if they could collect
these for scrap metal.  Toolbox real estate is not cheap!
Also what is the correct shade tree english to metric conversion?
Alot of expert mechanics, say 1/2 works for 12 or 9/16 is just a 13.
alex