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 Drilling secondary main wells 
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Joined: Fri Oct 23, 2015 8:43 am
Posts: 33
Perhaps I worry too much, BUT.....

Question for the guys that have drilled main wells larger in Q-jets: If you are not having the whole carb chromate coated, how are you preventing the freshly drilled passages from corroding? I am concerned that, over the long haul, E10 pump gas and periods of storage may cause corrosion of the bare zinc die cast. This could become a big deal in a fuel well if you don't have something to keep the white fuzzys from forming.

Mon Nov 07, 2016 3:12 pm

Joined: Sat Nov 16, 2013 3:41 pm
Posts: 43
Location: Metro Detroit
I know on my holleys...I have bare zinc exposed in the metering blocks.No issues after two seasons what so ever on E85.

Sat Nov 12, 2016 6:37 am

Joined: Sat Jun 21, 2014 5:38 pm
Posts: 17
I have been drilling those wells for years (as per Doug Roe's book) and have never had a corrosion problem. I used to buy core Q-jets from my local salvage yard back in the 90s and the only ones that seem to have corrosion problems are the ones that had water sitting in them.

Sat Nov 12, 2016 1:53 pm
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