Need help before buying

1nastyss

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Looking for a my 1st 03 cobra 10th anniversary. While speaking to the owner of the car he advised that sometimes you can hear a tick sometimes on the head. He advised that it's normal and it's on the tsb. Kinda like the 18+ coyotes car. Now I'm kinda worry to buy.
 

hotcobra03

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It’s a problem on these

Lots of information on why.

Not a cheap fix

For mine as an every day driver

First issue at 60k 4 thread dropped valve
@120 replacement 9thread dropped valve
@200k head cracked

220k now on last design.

420K on original 4 thread passenger

Some have had passenger side issues not common

I do not have head cooling modification

Have a compression test /leak down done on car before

Good luck.
 

1nastyss

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Just feeling uncomfortable to spend that kind of dough and something happens asap. Car has 25k miles. I talked my buddy who has one and said he does same.
 

CobraBob

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It could also be normal valve train noise. Here is some info from my Terminator FAQs about the "tick issue". It also has a link to hear what it sounds like. '03-'04 Cobra Tick Issue Info

See if the seller can get you an audio recording or a video so that you can actually hear it.
 

jrgoffin

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Looking for a my 1st 03 cobra 10th anniversary. While speaking to the owner of the car he advised that sometimes you can hear a tick sometimes on the head. He advised that it's normal and it's on the tsb. Kinda like the 18+ coyotes car. Now I'm kinda worry to buy.

Some of the Anniversary cars got the ‘04 heads while others had the last run from ‘03. The ‘tick’ has been brought up for the last 15+ years.

All the details on the heads ——> Castings

And if you are a fan of the limited run models —-> Special Editions
 

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