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Re: 5.4 Triton Engine Owners Need To Know
Anti Seize does wonders. Only an idiot would leave plugs in for 100 000miles anyway (sorry if I offended anyone). GM now too states that the plugs are good for 100K. I change plugs every 40K for best performance (copper!, not platinum or iridium which last longer but don't burn anymore efficiently).
Look at it this way: at 80K your plugs are 80% used, I wouldn't want those in my engine. I change copper plugs every 25K like clockwork. Sure, after I pull them out they look like they could run for another 25K, but it's not worth the cost of a head. Not to mention the time and patience!
Same thing goes for exhaust manifold bolts. They are heat treated but around the 100K mark they become weak and can break off, meaning the only way to get them out is to drill. Unless you like listening to an exhaust leak :)
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'99 Taurus 3.0L 2V Vulcan 145hp; 107,820m
'00 Durango R/T 360ci 300hp (modded); 90,651m
'06 Pontiac G6 GT 3.5L 220hp; 14,224m
Amsoil in all vehicles!
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