[urq] Aux radiator in-outlet diameter?

[Buchholz, Steven]

I can say with some certainty that the aux rad that is used with the WX
engines has the same inlet and outlet diameters ...

Steve B.
San Jose, Kaleefohnia (USA)
> 
> If you have a (spare/worn) aux radiator somewhere in your 
> garage, please dig it up and measure the outer in- and outlet 
> diameters of the 'pipes' for me? (in mm or inches). I believe 
> they have both different diameters. BTW how do you call them 
> (the pipes) in proper 'automotive-english'?