Bypass hose fittings

[65Vart]

Does anyone know the difference between the 70 and up bypass fitting vs. the 69 and down fitting? both are 3/4 " NPT ?

 

[340sFastback]

'70 and up runs a bigger bypass hose with bigger fittings. They are not the same size.

 

[fishy68]

^^^ Right. 70 and up are 1"