Does supercharger really require spark plug replacement every 30K miles?

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Oct 29, 2010 | 03:44 PM

#21

eaglexkr

Senior Member

Joined: Sep 2008

Posts: 363

Likes: 22

From: St Paul,MN

Quote:

Originally Posted by avos

If in doubt you could check your plugs to see how they look, that should give some indication.

I use also a heat range colder plugs (6) on my car, and my plugs look very good, so guess it will be alright.

You could also keep your plugs and add the twin-screw, that way you will have the right heat range

Yes,I have been looking at and reading up on the twinscrew after a AMG SL had me looking at its rear end!!But he felt good and his car was brand new and still had the temporary sticker on it.

Oct 29, 2010 | 07:23 PM

#22

hlgeorge

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Joined: Apr 2008

Posts: 3,472

Likes: 259

From: Atlanta, GA USA

Quote:

Originally Posted by Reverend Sam

And... do them one at a time. That way you don't forget which wire goes to which plug. Many years ago I made the mistake of pulling off all of the wires and replacing all of the plugs at once (on a different car). That was before the internet, and figuring out which wire went where took forever since I couldn't drive to the auto shop or library to look it up. Some lessons are never forgotten.

It would be kind of hard to mix up the wiring position on the Jag. The wire loom is attached and the little connectors to the coils are in a semi permanent position.

Apr 26, 2014 | 01:53 PM

#23

worrasf

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Joined: Aug 2013

Posts: 429

Likes: 150

From: West Yorkshire

Jaguar OEM plugs

Just pulled the work sheet from the dealer. Fitted the following plugs: C2A 1535
to my 2001 XKR 4.0L at 68,000 miles. Only done 73,000 so no need to change. Looking on the web these plugs are Iridium Spark Plug - C2A1535 - Genuine Jaguar at www.rimmerbros.co.uk.

They had previously fitted AJ8 4575 plugs at 43,000 (so a 30K interval) - these also show up as Iridium so I am guessing likely same plugs with updated part numbers

I presume no great difference with NGK or Denso. Likely made by them anyway and rebadged.

Steve

Last edited by worrasf; Apr 26, 2014 at 01:56 PM.

Apr 26, 2014 | 04:14 PM

#24

auburn2

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Joined: Jan 2014

Posts: 269

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From: Huntsville AL

Last edited by auburn2; Apr 26, 2014 at 04:19 PM.

Apr 28, 2014 | 06:42 PM

#25

aode06

Senior Member

Joined: Sep 2013

Posts: 729

Likes: 257

From: Cincinnati,Ohio USA

I don't even consider jaguar dealerships a "non warranty work repair" shop at all,due to their prices.Just a place to buy a new Jaguar.

I would find a independent foreign service shop.