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Old 06-18-2012, 03:36 PM   #5
bill dedman
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Location: Conway, AR
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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 difference 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.
Yes, I had to move the inlet to the other side of the carb for the applicatiion, so I just bought two new bowls. One of the new bowls has threads on both sides of the fuel entrance. I guess that's the 4500 bowl...

Thanks for the explanation!
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