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Old 03-31-2007, 02:51 AM
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holley jet size

I have a 79' chevy truck with a 350. The motor is pretty much stock, it has an aftermarket performer intake, headers and a holley 600. I think the stock jet size in this holley is 66. What smaller jet size would be good for my 350?
Also, what are the benefits of reducing the jet size?
thanks

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Old 03-31-2007, 07:48 AM
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jets

why are you wanting to reduce jet size???running rich,,dead spot,,what???going to smaller jetting sometimes make things worse...take a look at the plugs and tail pipes that should tell you which way to start...A 600 on a 350 isnot over kill so you might be close....doc41
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Old 03-31-2007, 10:23 PM
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thank you for the info.
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