[s-cars] Spark plug poll

[djdawson2 at aol.com]

Keep in mind, and just so I'm being clear... my switch to NGK resulted from Bosch plugs that were literally falling apart... electrodes dropping into the cylinder, ceramic post falling into the cylinder, etc...



I have never had an issue with the plugs coming loose in the cylinder hear threads.

Dave


-----Original Message-----
From: J. Khang <jhlk99 at yahoo.com>
To: s-car-list at audifans.com; fastscirocco_2000 at yahoo.com; scarsgo at gmail.com; djdawson2 at aol.com
Sent: Wed, 14 Nov 2007 5:35 pm
Subject: Re: [s-cars] Spark plug poll




<Dave Dawson> wrote:

> I've been using the Iridium plugs.? Expensive, like the Bosch plugs...
> but haven't ever had an issue.? I was to the point where I was taking a
> zip-lock baggie full of Bosch plugs with me on trips.? I was glad to find
> an alternative.

When I was still in the UK, I had issues with the F5DPORs coming loose but I 
think I managed to resolve it by tightening the plugs with the engine slightly 
warm though I didn't put in enough miles to confirm this once and for all.

My reasoning was that, with the engine warm, the plugs go in easier and seat 
better so when the engine gets hot, they don't tend to back out. I don't 
remember ever having a loose plug problem since then. I think they were actually 
hard to remove.

Try cleaning the threads in the cylinder head then installing the plugs with a 
warm (not hot!) cylinder head.

Oh, I've also switched to NGKs. BKR7Es in there at the moment but am switching 
to Iriway 8s (BKR8EIX) at the next change.

Jonathan


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