03 Cobra "piston slap"
09-13-2008, 10:44 PM
#21
2nd Gear Member
Join Date: Mar 2008
Location: Ohio
Posts: 362
i knw what your talking about man, its a very distint clunk, cant be mistaken for anything else. i had a 5.0 it used to do it, i had a 4.6 f150 also did it and my 97 Svt Cobra does it but as soon as it warms up no more slap, ive been told its the rings being a different material then the pistons that they dont expand at the same rate as the pistons, and its suposed to be a normal thing
09-14-2008, 02:45 PM
#22
SVT Section Moderator
Thread Starter
Join Date: Jul 2008
Location: Burnt Hills, NY
Posts: 15,601
i knw what your talking about man, its a very distint clunk, cant be mistaken for anything else. i had a 5.0 it used to do it, i had a 4.6 f150 also did it and my 97 Svt Cobra does it but as soon as it warms up no more slap, ive been told its the rings being a different material then the pistons that they dont expand at the same rate as the pistons, and its suposed to be a normal thing
09-14-2008, 07:54 PM
#23
4th Gear Member
Join Date: Aug 2006
Location: IL
Posts: 1,598
Diesel is a good way to describe it...only on a cold start up! & once up to normal operating conditions, fine...at least you got a letter...love the Saleen!
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