Posted by Vaughn on Tuesday, December 26, 2000 at 10:43PM :
In Reply to: Gasoline Additives posted by Charlie Smith on Tuesday, December 26, 2000 at 6:29PM :
Go to http://www.chevron.com/prodserv/bulletin/unld-gas/
Bottom Line - If you drive at high speeds or subject your truck to heavy loads (Hard pulling by the engine), your gonna need hardened seats/valves at some point. The 230 has cast iron exhaust seats. These are going to wear! Additives will help but are no substitution for upgraded equipment.
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