GT500 engine noise - Ford Mustang Forum
 
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post #1 of 7 (permalink) Old 03-31-2009 Thread Starter
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GT500 engine noise

Has any one had an issue with a knocking noise comming from the lower engine ?


Cars of my Past:'13 Focus ST(300hp/325trq)
'13 Mustang GT Track Pack, Recaros,Torsen(440hp)
'74 Detomaso Pantera (300hp)
'07 Parnelli Jones Saleen Mustang (425hp)
'08 GT500 (645hp)
'67 GT500 clone (500hp)
'87 Mercedes 2.3 16 (250hp)
'76 Turbo Cosworth Vega (250hp)
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post #2 of 7 (permalink) Old 04-01-2009
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No..not at all. Have you taken it to Ford yet to have it checked out?


Shellee Kallas
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post #3 of 7 (permalink) Old 04-01-2009 Thread Starter
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I took the car today and it didn't make a sound they sugested I bring it back next week and leave it for a few days so thier one tech can play with it.
The car it self is running great just every so aften it makes a "klanking" sounds like its from the bottom end some have said it could be piston slap and wants to run a leak down test for $500.00

Cars of my Past:'13 Focus ST(300hp/325trq)
'13 Mustang GT Track Pack, Recaros,Torsen(440hp)
'74 Detomaso Pantera (300hp)
'07 Parnelli Jones Saleen Mustang (425hp)
'08 GT500 (645hp)
'67 GT500 clone (500hp)
'87 Mercedes 2.3 16 (250hp)
'76 Turbo Cosworth Vega (250hp)
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post #4 of 7 (permalink) Old 04-02-2009
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It should be under warranty correct?

Shellee Kallas
Powerhouse Racing and Performance
6332 Lee Ann Lane
Naples, Florida
United States, 34109
(239) 596-1845
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post #5 of 7 (permalink) Old 04-02-2009 Thread Starter
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Officially the book says no but I have a good dealer and they'll warranty what they can get away with

Cars of my Past:'13 Focus ST(300hp/325trq)
'13 Mustang GT Track Pack, Recaros,Torsen(440hp)
'74 Detomaso Pantera (300hp)
'07 Parnelli Jones Saleen Mustang (425hp)
'08 GT500 (645hp)
'67 GT500 clone (500hp)
'87 Mercedes 2.3 16 (250hp)
'76 Turbo Cosworth Vega (250hp)
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post #6 of 7 (permalink) Old 04-02-2009
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Sounds like you could have a bearing issue.

1965 Mustang Coupe
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post #7 of 7 (permalink) Old 04-02-2009 Thread Starter
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The tuner guy I deal with thinks it's a piston just by the sound but he wants to do some test to be sure but he's already seen four others with the same problem

Cars of my Past:'13 Focus ST(300hp/325trq)
'13 Mustang GT Track Pack, Recaros,Torsen(440hp)
'74 Detomaso Pantera (300hp)
'07 Parnelli Jones Saleen Mustang (425hp)
'08 GT500 (645hp)
'67 GT500 clone (500hp)
'87 Mercedes 2.3 16 (250hp)
'76 Turbo Cosworth Vega (250hp)
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