Not Ranked
Well, it's not 11/16 inch. I wonder if the sending unit is 17 mm which converts to .69 inch? I may just have to get a 5/8 -18 die and turn down the sending unit so that it matches the tapped hole and doesn't crack the intake.
I talked to Doug at ERA. I should have done this first I guess. He said he usually does this with a 3/8 inch NTP tap. So, I guess it's back to McMasters.
Last edited by DanEC; 10-18-2012 at 08:31 AM..
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