Date: Sat, 14 Aug 2004 21:35:33 +0100
From: "Mike P" <>
Subject: Wrong Spark plugs?

Hi can anyone tell me what sort of damage running the wrong grade of plug in my 1984 T16 might do? I did a full service and fitted new NGK Platinum plugs today. I noticed the plugs I removed were standard copper core items made by BEAUY (??). When I drove the car down the motorway earlier today before I changed the plugs, it got quite hot. Also got hot sitting in traffic and took a while to cool down once I got moving again. Now I've changed the plugs, It's boosting more and not getting too hot at all. I presume the extra heat etc would be pre-ignition caused by the wrong plugs? Am I right? If so, what damage would likely occur. I don't know how long the previous owner has been running on these plugs. Seems a weird way to maintain a car - he's spent loads on recon gearbox, turbo, ball joints and dampers, then other items have been scrimped on! Thanks all Mike

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