4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

bad noise!

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Old 08-19-2009, 06:53 PM
  #1  
PistolPete79
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Default bad noise!

i was reving the engine up the other night and i heard a loud ping noise and it smelled like smoke. it seems to be running fine now. did something break though? ps im kinda tryin to use that as an excuse to do a 4v swap LOL
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Old 08-19-2009, 10:19 PM
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Tim99GT
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Originally Posted by PistolPete79
ps im kinda tryin to use that as an excuse to do a 4v swap LOL
Well in that case.... Yes! I believe your motor is done for. You should def go ahead and buy the 4V motor.

Maybe PTV issue since you were reving it. Were you reving it into the high RPM's?
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Old 08-19-2009, 10:28 PM
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PistolPete79
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yea pretty high and i had just reconnected the battery too
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Old 08-19-2009, 10:34 PM
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Tim99GT
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I would say that is prob what is was then. More than likely you over revved the engine and the valve touched the piston.
I may be wrong though.
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Old 08-19-2009, 10:40 PM
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PistolPete79
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yea maybe im just looking for something to be wrong lol it seems fine now, howd you like your kenne bell 2.1L i was thinking about getting one of those if i dont do a swap. did you have to get a new hood for it?
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Old 08-20-2009, 01:08 AM
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Yes you need a new hood. That is the cause of all your problems right now is that CF hood.
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