Wierd Clapping/Clacking noise.

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rudeone707

New Member

May 17, 2003

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Fairfield, Ca

Apr 8, 2004

#1

• Apr 8, 2004

• #1

Alright so the other day me and a friend were engaging in a contest of speed and i missed a shift and hit the rev limiter. Then after that i heard this really wierd noise like a clapping/crackling noise in the engine so i pulled in a parking lot and popped the hood to see if i could hear or smell anything and i couldnt. I revved up the engine a couple times to see if it happened again and it didnt. Every once in awile ill hear it but only above 3800 RPMs. I was thinking that it could be a loose RR but wouldnt that make a noise all the time? I cant notice a difference in power at all, and i dont know what it could be.

 

W

wytstang

Mustang Master

Mar 14, 2004

4,988

4

78

Summerville,SC missing South Fl. weather :(

Apr 8, 2004

#2

• Apr 8, 2004

• #2

maybe a lifter collaspes on its way out. could be anything hope its nothing and goes away. good luck

 

R

rudeone707

New Member

May 17, 2003

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Fairfield, Ca

Apr 9, 2004

#3

• Apr 9, 2004

• #3

ttt

 

R

rudeone707

New Member

May 17, 2003

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Fairfield, Ca

Apr 10, 2004

#4

• Apr 10, 2004

• #4

anyone else have any input?

 

B

baglock1

The Bartender

Founding Member

Aug 25, 2001

6,612

1

78

Space Coast, FL

Apr 10, 2004

#5

• Apr 10, 2004

• #5

Possibly a broken secondary valve spring?

 

slvrbullit302

New Member

Jan 6, 2004

986

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0

Alabama

Apr 10, 2004

#6

• Apr 10, 2004

• #6

could have a slightly bent valve also since you over revved it, and as it is in motion it may be catching on the piston or other valve. I am jsut throwing out ideas here so bear with me.

 

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Black70Fastback

New Member

Dec 14, 2003

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Dyer, IN

Apr 11, 2004

#7

• Apr 11, 2004

• #7

hard to believe he hurt something like the valve. they have rev limiters for a reason. you weren't down shifting and manually forced the engine above and beyond the rev limiter did you. b/c then maybe something like that. but not if it hit the limiter and stopped.

 

95GTeee

New Member

Mar 9, 2004

181

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Western CT

Apr 11, 2004

#8

• Apr 11, 2004

• #8

I would second the guess on the lifter ... just my .02

 

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rudeone707

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May 17, 2003

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Fairfield, Ca

Apr 12, 2004

#9

• Apr 12, 2004

• #9

No i didnt down shift. I was shifting from 2nd to 3rd and missed then bounced off the rev limiter.

I really didnt want to take the VCs off but i guess i have to. You dont think that noice could be a cat going out do you? Someone told me that this weekend.

 

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Black70Fastback

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Dec 14, 2003

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Dyer, IN

Apr 12, 2004

#10

• Apr 12, 2004

• #10

could be a cat goin bad or another exhaust leak. those however are more likely to make noise decelerating. you said above 3800 but does it do it more or less accelerating, decelerating. or dont it matter?

 

R

rudeone707

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May 17, 2003

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Fairfield, Ca

Apr 12, 2004

#11

• Apr 12, 2004

• #11

It does it upon acceleration. I do notice a wierd noise with exhaust one i barely tap on the gas at idle.