Date: Sat, 14 Aug 2004 20:44:27 GMT
From: Paul Halliday <>
Subject: Re: Wrong Spark plugs?

in article, Mike P at wrote on 14/08/2004 21:35: > 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! NGKs ... And the right NGKs are the *only* way to go. I'll bow out to the more eloquent explanations from the others here who actually know *why* ... You're right though - non-NGKs in a C900 are pants! And that's a fact! I run the cooler T16 type plugs in my T8 (BCP7EV) and she just loves 'em. She's slightly uprated though 8) At over 4 quid each, they're expensive, but last for 25-30K miles! I gather they're now called BCP7EVx or something ... It's been a while since I had to buy plugs :) Paul 1989 900 Turbo S

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