So do you guys think it will matter if I tap the banjo bolt on the pump for 1/8" and use adapter fittings for the 3/8" needle valve and then reduce it back down to 1/8" for my grease gun hose that will feed my glowshift fuel pressure sending unit? I'm having a difficult time finding an 1/8" needle valve in my area. Thanks

 

Shouldn't hurt anything other than the bulkiness, can't find a 1/4" npt anywhere?


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This hardware store by my house has these in stock.
Adjustable Needle Valve (Sub#v3055p) [FLA00288] - $11.39 : Alaska Industrial Hardware, Online Store

I might just order the right one from grainger.