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Old question but..MPG and building a motor?? Tbi to Carb etc.

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10-19-2012, 11:11 AM	#9
bnoon Registered User Join Date: Jul 2012 Location: Des Moines IA Posts: 1,250	Re: Old question but..MPG and building a motor?? Tbi to Carb etc. Vortec heads will give you more useable low-mid range and have raised tumble ports for better MPG as well, so they might be your best choice given your goal. __________________ - 1981 Sierra 454, NV4500 swap - 2006 Z06, 25k miles - 1973 Nova - Project CarNova Virus on Youtube

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