-4 vs. -6 oil feeds

roachie

Taco Master
I've seen both used. And from what I understand, if you not using an oem restrictor in the cartridge inlet a -4 is the way to go.


Input?
 
I run -4 for my S400. My factory fitting stripped out above the filter so I tapped it with 1/8npt with no problems.
 
Way back when the dinosaurs roamed the earth we used a -6 cause they had more available fittings, a -4 is more than enough!

Jim
 
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