Modular 4.6L Tech For all your 1996-2005+ 2V, 3V, and 4V modular motor needs.

What Spark Plugs to Buy??

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  #31  
Old 02-10-2008, 01:27 AM
BubbastanGT's Avatar
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Thanks Doc! Is replacing plugs a pretty novice diy job?
 
  #32  
Old 02-10-2008, 05:10 AM
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Plug replacement is pretty simple overall, but it is something that can be dicked-up so bad that you can cause some serious problems. This is why shops charge $150 - $200.

Things to keep in mind:

1 - Need to move other stuff out of the way such as the intake pipe.

2 - You will need to remove the COP's first.

3 - You will need a long enough extension and the proper size plug socket. Not a big deal. You will also need a swivel to get at the the plugs in the back.

4 - Remove the plugs and inspect

5 - The new plugs need to be gapped properly.

6 - You will need anti-seize to put on the threads of the new plugs (some people think that you should not use any)

7 - Plugs need to go in while avoiding cross threading. There are some tricks to avoid this from happening.

8 - Tighten the plugs by finger-tip , then use a racket to snug them. It is best to use a trq wrench. I am not sure how many lbs you are supposed to use.

9 - Put everything back together.
 
  #33  
Old 02-11-2008, 10:55 AM
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Talk about topic resurrection.
 
  #34  
Old 02-11-2008, 11:10 AM
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Originally Posted by millatime
Randy,

I just found motorcraft part# AGSF32FM in my garage. I looked at their website and found that these are for 96-98 GT's and Cobras. Will it cause any problems to put these in an 03 GT with bolt-ons?


they will be fine for your car, they are a "full thread" design that will fit ALL Modulars, are of the stock heat range and a "fine wire" plat/irid tipped plug....so your good
 
  #35  
Old 02-11-2008, 02:45 PM
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Originally Posted by Randy Stinchcomb
they will be fine for your car, they are a "full thread" design that will fit ALL Modulars, are of the stock heat range and a "fine wire" plat/irid tipped plug....so your good
Thanks Randy you da man
 
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