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Type: Posts; User: 76GMC1500
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01-13-2005 02:50 PM
Thread: Gas Milage
by 76GMC1500- Replies
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A good set of LT rated tires inflated to 50 psi...
A good set of LT rated tires inflated to 50 psi will probably give you the most significant increase in fuel milage.
Could it be a 10114182? If so, it is a Gen V 454, 4 bolt 1991 (or later). Hope that helps..
GM Engine de-coding