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February 5th, 2010, 02:41 AM
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#1 |
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Wax on, Wax off
2003 Mustang V6
16.8@83.3
Join Date: Aug 2007
Location: Mississippi
Posts: 6,954
  iTrader: 15 reviews
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Simple question...
How many miles should pass before changing spark plugs? I can't remember the miles I was at when I changed them way back when... I know it was in March of 08 tho.
Im not noticing any bad misfiring or anything... just wondering if I should go ahead and replace em or not.
__________________
 Black Bullitt Rims FT/FS Looking to Sell or Trade for Silver FR500s Looking to buy a lot of 99-04 Interior Pieces If you have any for sale, PM me |
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February 5th, 2010, 02:53 AM
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#2 |
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Newbie
Join Date: Jun 2008
Posts: 41
iTrader: 0 reviews
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i only tune up when there is a misfire or other runability problem.... spark plugs usually last at least 50,000 miles before showing appreciable signs of wear though
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February 5th, 2010, 09:24 AM
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#3 |
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Wax on, Wax off
2003 Mustang V6
16.8@83.3
Join Date: Aug 2007
Location: Mississippi
Posts: 6,954
iTrader: 15 reviews
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Well if I had to guess, they were replaced around 40k. I am currently at 80k.
__________________
Black Bullitt Rims FT/FS Looking to Sell or Trade for Silver FR500s Looking to buy a lot of 99-04 Interior Pieces If you have any for sale, PM me |
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February 5th, 2010, 09:31 AM
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#4 |
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MM's Official Lucifer
'00 3.8L & '05 4.6L
Join Date: Apr 2008
Location: Odessa, FL
Posts: 3,620
iTrader: 0 reviews
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Kinda depends on the plug. Platinums will last longer than copper plugs. If you are running a basic copper plug, I would change them about 30k. Platinum you can add 10 or so k to that. Really doesn't take much to pull one plug and check it out though. They are cheap too...
__________________
"Fast she goes...in the city of Overdose"
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February 5th, 2010, 05:54 PM
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#5 | |
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Hardcore Enthusiast
2004 V6 & 2000 GT
v6-15.0@96.3 GT-12.4@121
Join Date: Apr 2009
Location: Laurel
Posts: 1,342
iTrader: 0 reviews
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Ford recommends that you change spark plugs every 100k miles on the 3.8L engine.
__________________
 04 V6/00 GT 460WHP/500WTQ stock shortblock, single walbro255 Turbo Build
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February 6th, 2010, 01:50 AM
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#6 | |
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Wax on, Wax off
2003 Mustang V6
16.8@83.3
Join Date: Aug 2007
Location: Mississippi
Posts: 6,954
iTrader: 15 reviews
|
 Thanks bro!
__________________
Black Bullitt Rims FT/FS Looking to Sell or Trade for Silver FR500s Looking to buy a lot of 99-04 Interior Pieces If you have any for sale, PM me |
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February 6th, 2010, 08:18 PM
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#7 |
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MM's Official Lucifer
'00 3.8L & '05 4.6L
Join Date: Apr 2008
Location: Odessa, FL
Posts: 3,620
iTrader: 0 reviews
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100k is crazy. I wouldn't go that long.
__________________
"Fast she goes...in the city of Overdose"
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