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Old 10-30-2008, 07:20 AM
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Jet size

I will be running a rochester 2GC 2brrl carb on a standard bore chevy 350 with 305 heads and a 400 intake. The elevation of the track is 1700 ft. The carb has size 68 jets in it now and I just dont know enough about them to risk my motor on the chance they might be right. Thanks guys.

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Old 10-30-2008, 02:58 PM
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start out with 72 just to be safe if you can.
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Old 10-30-2008, 03:20 PM
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I would invest a little money in one of these, that way you will never have to second guess how your running and you can jet accordingly.

http://store.summitracing.com/partde...5&autoview=sku
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