Dismiss Notice



Register Today It's free! This box will disappear once registered!

Bad Detonation

Discussion in 'Need for Speed!' started by BeauJ, December 29, 2004.

^^Searches ExplorerForum.com^^
  1. BeauJ

    BeauJ Moderator Emeritus

    Joined:
    January 23, 2002
    Messages:
    4,594
    Likes Received:
    1
    Trophy Points:
    0
    I put some NGK iridiums in my explorer about 2 months ago. I had no detonation with the stock ones, but from the start with these I get it when I hit around 6 lbs. of boost on the interstate at a steady rate, I can hear and smell it.

    Question I have is when I installed one of the some of the glass surrounding on the top of it broke when I put it in. Would it cause detonation? They are all gapped at .035 btw.
     
  2. Support EF

    Join the Elite Explorers for $20

    Explorer Forum has probably saved you that much already, and will continue to save you money as you learn how to diagnose fix problems yourself and learn which modifications work without having to experiment on your own. Elite Explorer members see practically no ads, can add their own profile photo, upload photo attachments in all forums, and Media Gallery, create more private Conversations, and more. Join Today. Your support is greatly appreciated.



  3. james t

    james t moderation Staff Member Moderator Elite Explorer

    Joined:
    January 27, 2002
    Messages:
    10,689
    Likes Received:
    6
    Trophy Points:
    58
    City, State:
    Texarkana AR/TX
    Year, Model & Trim Level:
    94 SAS sport
    Dont know about the Iridiums- never used 'em..... but if its rattling at full boost STAY OUT OF THE THROTTLE. WOT knock in an N/A motor is bad, but not really really bad. In a boost motor its a piston eater. Dont let it knock again until you get the issue sorted out IMHO. :)
     
  4. BeauJ

    BeauJ Moderator Emeritus

    Joined:
    January 23, 2002
    Messages:
    4,594
    Likes Received:
    1
    Trophy Points:
    0
    Yea james, as soon as I hear it first tick I let off. It's just gotten worse over time. I don't really see why the glass surrounding would have anything to do with it. Could it be that I need new plug wires? I haven't even hit 75k on my engine yet.
     
  5. james t

    james t moderation Staff Member Moderator Elite Explorer

    Joined:
    January 27, 2002
    Messages:
    10,689
    Likes Received:
    6
    Trophy Points:
    58
    City, State:
    Texarkana AR/TX
    Year, Model & Trim Level:
    94 SAS sport
    Stick some copper Motorcrafts in it and see if it goes away.
     
  6. BeauJ

    BeauJ Moderator Emeritus

    Joined:
    January 23, 2002
    Messages:
    4,594
    Likes Received:
    1
    Trophy Points:
    0
    Thats what I had with the 9 lb pulley (6 lb max w/the x) but when I changed to the 11 lb pulley I changed the plugs for safety reasons. I guess I'll buy a new plug and change it and if that doesn't work I'll bother with iridiums again.
     
  7. blk mk8

    blk mk8 Active Member

    Joined:
    September 30, 2000
    Messages:
    821
    Likes Received:
    0
    Trophy Points:
    16
    City, State:
    brother
    Year, Model & Trim Level:
    Troll's
    did you try NGK TR-6's those should help also did you put the ait sensor in the intake pipe. also who programed the chip for you.
     
  8. BeauJ

    BeauJ Moderator Emeritus

    Joined:
    January 23, 2002
    Messages:
    4,594
    Likes Received:
    1
    Trophy Points:
    0
    Yea, those are the plugs I have. I haven't moved the IAT yet and Apten did this chip. They forgot to do a few things like I asked them to a few times, so I'm getting a local guy in Atlanta to do it for me.
     
  9. CDW6212R

    CDW6212R Hauls the mail. Elite Explorer

    Joined:
    June 17, 2004
    Messages:
    18,828
    Media:
    5
    Albums:
    1
    Likes Received:
    911
    Trophy Points:
    143
    City, State:
    Knoxville, TN
    Year, Model & Trim Level:
    98 Limited AWD
    Hello, all spark plugs are very sensitive, no, fragile. If there is a sign of damage, there may very well be a break in the ceramic, internally. Spark plugs can look like new, and still ping, or miss, etc. You may have just one or two bad plugs. Swap just the one you noticed damage on, and try it.

    The different tip materials used affect longevity and performance. Platinum plugs don't conduct electricity as well as most all other plugs, but they last longer. The actual differences are probably only a few HP, which you can't feel. I am trying Beru plugs, those with silver electrodes. I can't tell the difference, oh well. Good luck,
    Don W
     
  10. BeauJ

    BeauJ Moderator Emeritus

    Joined:
    January 23, 2002
    Messages:
    4,594
    Likes Received:
    1
    Trophy Points:
    0
    Platinum and raised compression aren't good friends.
     
  11. spindlecone

    spindlecone B

    Joined:
    April 30, 2004
    Messages:
    4,836
    Likes Received:
    0
    Trophy Points:
    0
    City, State:
    San Jose, Calif
    Year, Model & Trim Level:
    2003 sport trac
    Have you pulled the plugs?what do they look like as to color?may not be the plugs
     
  12. BeauJ

    BeauJ Moderator Emeritus

    Joined:
    January 23, 2002
    Messages:
    4,594
    Likes Received:
    1
    Trophy Points:
    0
    For an update, I found the bad plug and changed it. Detonation free. Until tonite. I hit about 8 lbs. leaving school in 3rd gear and heard it start clicking. But whats funny is I can usually smell it, but I didn't this time.

    It was cold outside, so could weather effect it? Could it be the plug wires (almost 78k on them)? Could it be that the stock compression is too high for that much boost?
     
  13. Billy177

    Billy177 Well-Known Member

    Joined:
    July 10, 2003
    Messages:
    1,899
    Likes Received:
    0
    Trophy Points:
    0
    City, State:
    Redding CT
    Year, Model & Trim Level:
    99 Explorer XLT SOHC 4x4
    I would say it is the cold air. 8psi cold air is letting more air in the cylinders then 8psi warm air. This increases the dynamic compession farther then it would normally be causing the detonation. My guess would be that you need to back off on the timing or the boost a little bit. give some octane booster a try. or a lower temp thermostat
     
    Last edited: March 3, 2005
  14. james t

    james t moderation Staff Member Moderator Elite Explorer

    Joined:
    January 27, 2002
    Messages:
    10,689
    Likes Received:
    6
    Trophy Points:
    58
    City, State:
    Texarkana AR/TX
    Year, Model & Trim Level:
    94 SAS sport
    You need to pull the timing back just a little bit. In other words, you need some sort of re-burn on the chip.
     
  15. BeauJ

    BeauJ Moderator Emeritus

    Joined:
    January 23, 2002
    Messages:
    4,594
    Likes Received:
    1
    Trophy Points:
    0
    I'm gonna try some octane booster this weekend. I plan on going to the track and posting some video :D once I get my headers on and chip reburned by Hypnotic Illusions.

    Apten did a horrible job on my chip. They didn't remove my top speed and rev limiter like I asked, and I seriously doubt they did anything for the timing and my boost. F them. Seriously. Their company is garbage now. Glad we have BETTER choices out there from Respectable people. :thumbsup:
     
  16. Billy177

    Billy177 Well-Known Member

    Joined:
    July 10, 2003
    Messages:
    1,899
    Likes Received:
    0
    Trophy Points:
    0
    City, State:
    Redding CT
    Year, Model & Trim Level:
    99 Explorer XLT SOHC 4x4
    are your sure your service port was not disabled? but yea my apten sucked also. i just ordered an xcalibrater from bama chips so i will see how that goes. then I can tweak all the settings I want right from my laptop
     
  17. BeauJ

    BeauJ Moderator Emeritus

    Joined:
    January 23, 2002
    Messages:
    4,594
    Likes Received:
    1
    Trophy Points:
    0
    How would I know if the service port was disabled?
     
  18. Billy177

    Billy177 Well-Known Member

    Joined:
    July 10, 2003
    Messages:
    1,899
    Likes Received:
    0
    Trophy Points:
    0
    City, State:
    Redding CT
    Year, Model & Trim Level:
    99 Explorer XLT SOHC 4x4
    basically If the chip did nothing. but there would be 2 jumpers that would need to be soldered. mine was disabled so i had to solder them in
     
    Last edited: March 4, 2005
  19. BeauJ

    BeauJ Moderator Emeritus

    Joined:
    January 23, 2002
    Messages:
    4,594
    Likes Received:
    1
    Trophy Points:
    0
    Any special reason it would be disabled?
     
  20. Billy177

    Billy177 Well-Known Member

    Joined:
    July 10, 2003
    Messages:
    1,899
    Likes Received:
    0
    Trophy Points:
    0
    City, State:
    Redding CT
    Year, Model & Trim Level:
    99 Explorer XLT SOHC 4x4
    from what i understand it was just random.
     
  21. james t

    james t moderation Staff Member Moderator Elite Explorer

    Joined:
    January 27, 2002
    Messages:
    10,689
    Likes Received:
    6
    Trophy Points:
    58
    City, State:
    Texarkana AR/TX
    Year, Model & Trim Level:
    94 SAS sport
    Alot of them were disabled from the factory. Mainly, because Ford is the spawn of Satan and wheels its evil hand over all those who attempt to defy it.
     






We Support Our Troops!