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quote:Originally posted by MX-5
Sue,
I'd like to see the data to back that up.
I spent over a year getting the Champion 7440 / 7570 double platinum spark plugs manufactured for the PT.
I worked relentlessly with Federal Mogul (Champion).
Several thousand double platinum plugs have been installed in PTs all over the world.
There are no drawbacks to double platinum plugs in the non-turbo PT.
Remember, I worked with Champion on this project in 2000/2001, long before the turbo PT was even a rumor.
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Sorry MX-5, it is just something I read somewhere ... can't tell you where since I don't remember. Yes I had the double platinum plugs in my 2001 and loved them. I always wondered why DP plugs were not recommended for turbo. I think I read that here somewhere and at the srt forums, but I can't be certain ....
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quote: Don, I read that the double platinum cause the engine to ping and knock more than normal. Don't know why.
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Sorry I should have added that DP would cause the turbo engine to ping and knock more than normal.
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Black 2004 PT Cruiser GT with chrome accent package, chrome door spears, billet gauge eyebrows, chrome beltline, Autotechnica tail light covers painted body color, TYC by Elegente backup lights and GPS Navigation. Silver dragons on sides and hood. Stage 1! Spark plugs gapped to .040, and installed a set of Crane Firewires. BTG cold air intake, AMX1397\'s Turbo Up Charge Pipe, Boomba Racing BOV, Hallman Pro PX manual boost controller and Mean Green\'s Hyperground Solution.
http://mysite.verizon.net/vze247vu
http://www.ptcruiserworld.com/Junior
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