[AT] Off Topic 2001 Ford F250 6.8L engine. Oil pressure gage port size.

[Steve W.]

tmehrkam at sbcglobal.net wrote:
> Thank you.  
> 
> For some reason I did not think about NAPA
> Strange it says MPT which is a straight thread not tapered.
> 

The actual unit in the engine nor has the same thread form as NPT, but 
it is a straight thread with an O-Ring that seats against the block to 
seal it. Only the OEM switch is made that way.

-- 
Steve W.