High Compression, N/A, and Plugs

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Apr 6, 2003 | 05:52 PM

GoFastTurnLeft

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Staging Lane

Joined: Dec 2002

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From: Etters, PA

High Compression, N/A, and Plugs

At what point to you N/A guys switch to a colder plug?

Thanks!

Apr 7, 2003 | 12:28 AM

2001CamaroGuy

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From: Phoenix, AZ USA

Re: High Compression, N/A, and Plugs

When I did my heads, I upped the compression to 11.1:1. I had already had some knock problems in the summer (AZ) so I went ahead and converted to one step cooler plugs just to be safe.

It got rid of just about all my knock (still get 1 or 2 degrees retard now and then). The only down side I can see is that when the engine is cold, I HAVE to heat it up. Untill it reaches opperating temp (160 degrees), it has a hard time keeping its self running when I hit the brakes. Its not that big of a problem thought because I always like to heat it up anyways.

Chris