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Thread: how long do iridium plugs last.

  
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    rhys57's Avatar
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    how long do iridium plugs last.

    hi people how long do iridium plugs last.??????? anyone know.
    Vxr turbo with 360 bearing and twin oils seals & Evoms dv. Cdti airbox 63mm tophat.Milltex cat back and pre cat.. Regal 245 leh phase 1 ipf remap.Whiteline rarb.

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    I would replace them after 3 years or about 30,000 miles to be safe.

    Excerpt from max-boost.co.uk website....

    The claims about longer life have not materialised in my experience, either. What's worse, I've had them foul (dry) under rich conditions, and they could not 'burn' themselves clean afterwards, resulting in misfires. A new set solved the problem immediately, but left a few question marks on the manufacturers' wild claims about 60K miles service life...

    I can't believe the std plugs are left in the turbo engine for 3 years.

    After 18 months a set looks almost shot.

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    thanks mate.
    Vxr turbo with 360 bearing and twin oils seals & Evoms dv. Cdti airbox 63mm tophat.Milltex cat back and pre cat.. Regal 245 leh phase 1 ipf remap.Whiteline rarb.

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    Had mine changed when I had the CS4, they had done about 15k and looked fine - just wanted to make sure everything was tip top for the CS4.

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