id like to check mine befor i go back together with it hate to burn a new piston did your truck run better win you wint two 17.5* from the factory setting did the fuel milage pick up mine is a 8pn engine so it sets at 9.5* from the factory so goin to 17.5* is a big jump
3406c model trouble
Discussion in 'Trucks [ Eighteen Wheelers ]' started by bean farms, Sep 24, 2012.
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