Spark plug question

Sep 1, 2006 | 01:31 AM

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From: Austin, Texas

Spark plug question

I have a 396cid LT1, 12.2:1 CR
the car currently has NGK TR6 plugs installed, Are they cold enough for a 150 shot.

Sep 1, 2006 | 09:43 AM

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From: Sierra Vista, AZ

Yes. You could go one colder, but I dont think you'll see any gain in performance, maybe a better longevity.

Sep 1, 2006 | 08:42 PM

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From: Greenville PA

Those plugs are just fine for your setup.