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Old Feb 6, 2008 | 05:44 PM
  #11  
72charger's Avatar
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Default RE: more hp

ORIGINAL: 6mins2live

do spark plugs, wires, fuel injectors, and fuel filters really make that much of a differnece. I bought my truck used and I dont know if any of that has been messed with. I am assuming not. I knowI havent touched it since I have owned it.
Well fuel filters need to be changed atleast every 50,000-60,000 miles. As for plugs and wires, it really depends what quality your running. A lot of people will change the plug wires every time they change the plugs but that isn't necessary. If your running a normal spark plug, I'd recommend changing them about 30,000-40,000 miles. Platinum last a bit longer and Iridiums are supposed to last 100,000. These are all rough guesstimates as far as mileage goes except for the iridiums. Ofcourse at a shop they'll recommend changing this stuff much sooner but these are all guesstimates for someone who can't afford to routinely change crap every 6 months or so. You should also change the cap and rotor on the distributor as part of the normal "tune-up".
 
Old Feb 9, 2008 | 12:50 PM
  #12  
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Default RE: more hp

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