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Old February 11th, 2013, 04:01 PM
bigblockv6 bigblockv6 is offline
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Default Re: Freshening up a 351

After installing a Howell TBI on a Jeep 304 V8 I contacted Howell if it would work on my 478M V6, they said it would work. Since it's based on GM TBI makes it a proven system and relatively simple installation and reasonably priced. That will be a great upgrade for any GMC V6.
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