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Old 02-23-2008, 01:29 AM   #2
serenitythen
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Join Date: Jun 2005
Location: Pacific Northwest
Posts: 383
 

1997 SL2
Default Re: was wondering if i should run a hotter or colder plug

Quote:
Originally Posted by 94503 View Post
i run ngk's in my car now some people say run colder plug and some say run a hotter plug.Any ideas what to use or have had success and can u pass the part numbers on over
Neither. Use plugs in original heat range.

Unless you are running a boosted car, then use colder?.?.
Also heard if oil fouls out your plugs often, then use hotter.?

Last edited by serenitythen; 02-23-2008 at 01:36 AM.
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