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1978 Ford Thunderbird Knock/tapping

Tiny
ROBERT1988
  • MEMBER
  • 1978 FORD THUNDERBIRD
  • V8
  • 2WD
  • AUTOMATIC
  • 56,000 MILES
I have a 78 Thunderbird with a 351M and I have a weird knocking/tapping coming from the block and it gets quieter when its warm and doesnt get louder when I rev it I have great oil pressure and its not over heating im just stumped
Saturday, May 1st, 2010 AT 2:41 AM

5 Replies

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Usually it's a connecting rod, or wrist pin bearing. Could run for many miles like this.
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Sunday, May 2nd, 2010 AT 10:12 AM
Tiny
ROBERT1988
  • MEMBER
  • 3 POSTS
Well I tried to see if it was a rod by taking off one wire at a time but it was still there im not quite sure how to see if its a wrist pen or where to start any help?
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Monday, May 3rd, 2010 AT 4:53 AM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
My experience on Fords tells me it's the the front cylinder, driver's side.
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Monday, May 3rd, 2010 AT 6:43 PM
Tiny
ROBERT1988
  • MEMBER
  • 3 POSTS
So is it fixable with out a rebuild?
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Monday, May 3rd, 2010 AT 7:33 PM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
NO.
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Tuesday, May 4th, 2010 AT 2:27 PM

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