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Best plugs for a turbo setup

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Old 04-24-2007, 07:44 AM
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Default Best plugs for a turbo setup
I know this is probably somewhere but teh search button around here is a pain


What would be the ideal spark plugs for a 8.9 compression turbo setup?


thanks
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Old 04-24-2007, 10:20 AM
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how much boost?
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Old 04-24-2007, 02:17 PM
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less than 20......hopefully around 15 most of the time
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Old 04-24-2007, 03:17 PM
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I run NGK-8's

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Old 04-24-2007, 03:33 PM
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Which NGK 8s do you run? Projected or non projected tips?
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Old 04-24-2007, 07:27 PM
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Autolite Racing (like NASCAR) AR94's here best plug I have ever ran.
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Old 04-30-2007, 12:56 AM
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i have run the same plugs on my car forever, AC R42lTS. made 1200hp with them. The buick guys have used them as well. Not sure if ls1 plugs are diff though
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Old 04-30-2007, 06:10 AM
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From what I have seen they both take the same plugs. The Buicks use R42TS on the tamer combinations. Most of the hot street cars use Autolite 103's. The faster race cars use Autolite 3294's
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Old 04-30-2007, 08:52 AM
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Jason, Street usage we use TR-6 for mild boost (8-9 psi) and TR-7 for moderate boost (10-13 psi) and TR-8 for higher boost (14+). TODD
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Old 05-07-2007, 09:35 AM
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what gap for tr6's
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Old 05-07-2007, 09:41 AM
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Jason, I used TR6's gapped @ .032 with 12#'s of boost
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Old 05-07-2007, 10:27 AM
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Ive used TR-6's @ 20 psi, but im about to go a lil colder.....
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Old 05-07-2007, 11:38 AM
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Why doesnt anyone try the HKS spark plugs?
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Old 05-07-2007, 02:09 PM
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Originally Posted by Vindication
Why doesnt anyone try the HKS spark plugs?

How much are they?????
If there over $4 each i wont even bother.... ill stick with my $2 plugs.... they work
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