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Percy's 4150 dial a jet?

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Old 08-08-2009 | 11:52 AM
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Default Percy's 4150 dial a jet?

I have 454 mag with a 177 Weiand and I boat between 3' and 7,500' and changing jets it getting old.
Does anyone have any experience with the Percy's infinite fuel adjustmant for the 4150 Holley?
Thanks
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Old 08-10-2009 | 09:59 AM
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No experience in Percy's i do however in a Willy's. I f you have not bought the Percy's yet give Willy a call.

http://www.willyscarbs.com/
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Old 08-10-2009 | 01:16 PM
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Dial-A-Jets work okay for what you're talking about.
They will never meter as accurately as a sized orifice, but they make life easy for an altitude hopper.

I've got several sets of unopened Dial-A-Jets that will work on the HP series. Make me an offer.

MC
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Old 08-10-2009 | 01:36 PM
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I am currently running some 'adjust a jets' in my Demons from Percy. They have really made it a lot easier to dial things in... I believe I have the original set for the Demons. Percy is hell of a nice guy, his parts have made my life lots easier.
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Old 08-10-2009 | 03:55 PM
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I agree with Car Biz ,if you havent bought one yet give Willy's a call,very nice carbs.it takes about 30 seconds to change jet sizes.
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