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- Tue Sep 28, 2010 2:04 pm
- Forum: Performance
- Topic: 4-cylinder turbo performance
- Replies: 393
- Views: 222632
Re: 4-cylinder turbo performance
Long time since I visited the forum. I have not been using my GTV 1.8 turbo a lot, because of other classic car purchases that required attention. I have been using NGK BP7ES spark plugs, without any issues. I discovered that NGK now advices BP6ES and in the forum some people recommend 9ES. Should I...