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If you already have the motor out by all means change ALL the plugs, I you dont you could be sorry later when your trying to replace them with it in the truck. Take it from me I learned the HARD way
I agree, do it now.<br>In my younger years I stupidly didn't put antifreeze in my rad and the motor froze up, thankfully blew the freeze plugs. however, removing the motor just to replace them was a lesson I'll never forget.luckily I only had to unbolt the motor mounts and jack the motor up enough but still sucked big time with 20 below wind chills outside. And pop sat inside with a hot cup of coffee and watched,yelling pointers out the window at me. Thanks Dad. ;D<br>Over 20 years ago and I remember it.The reason it happened was my fault, but proper and prior maintanance would have avoided it all.<br>do it now! <br>luck.<br>