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New Edge Cobras
Knocking noise
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<blockquote data-quote="DC97Cobra" data-source="post: 13385865" data-attributes="member: 40424"><p>He could start off with cutting the oil filter and also drain the oil into a clean pan and then filter it with a coffee or paint filter when bottling the used oil. Both methods should give him a clue on if there is anything metallic banging away.</p><p></p><p>I've heard a few people say that bama tunes are not good, especially if your car is modified. For example, a friend of mine that owns an 03 Cobra did a dyno pull with his bama tune only to find it was leaning out a lot. The shop did just a quick adjustment to the tune so that he would not hurt the engine but strongly recommended that he either talk to bama or get the car dyno tuned.</p><p></p><p>With the rumors and seeing the experience first hand, I would suggest getting the car tuned. It could be tip in on the timing or maybe need a little bit more fuel. Curious... have you tried running a higher octane to see if it goes away? The higher octane may help reduce the detonation and give a little more insight if its running lean or timing is too advanced.</p></blockquote><p></p>
[QUOTE="DC97Cobra, post: 13385865, member: 40424"] He could start off with cutting the oil filter and also drain the oil into a clean pan and then filter it with a coffee or paint filter when bottling the used oil. Both methods should give him a clue on if there is anything metallic banging away. I've heard a few people say that bama tunes are not good, especially if your car is modified. For example, a friend of mine that owns an 03 Cobra did a dyno pull with his bama tune only to find it was leaning out a lot. The shop did just a quick adjustment to the tune so that he would not hurt the engine but strongly recommended that he either talk to bama or get the car dyno tuned. With the rumors and seeing the experience first hand, I would suggest getting the car tuned. It could be tip in on the timing or maybe need a little bit more fuel. Curious... have you tried running a higher octane to see if it goes away? The higher octane may help reduce the detonation and give a little more insight if its running lean or timing is too advanced. [/QUOTE]
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