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Old 06-18-2012, 02:37 PM   #3
Ed Wright
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Default Re: Holley float level sight plug holes

Quote:
Originally Posted by BlueOval Ralph View Post
Just use a 3/8ths drill with the bowl up side down. Seems as I remember there was a divergence between the 4150 & 4500 bowls. Are the ones you got drilled and tapped on both sides of the fuel inlets? If they are they are 4500 bowls.
I agree. I don't think serious racers use the sight plugs anymore. We didn't in the '70s.
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