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Old Mar 19, 2009 | 07:12 PM
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Default Spark plug choice.

I am spraying a 150 wet shot on a stock compression LQ4 (9.5:1). I picked TR6's gapped at .044, but wanted some reassurance I didn't make any mistake. I know the stock LS1 guys running about the same size shot use TR6's and since my compression is even lower than theirs, I figured that would be fine. Comments?
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Old Mar 19, 2009 | 07:48 PM
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Originally Posted by aggie-chase
I am spraying a 150 wet shot on a stock compression LQ4 (9.5:1). I picked TR6's gapped at .044, but wanted some reassurance I didn't make any mistake. I know the stock LS1 guys running about the same size shot use TR6's and since my compression is even lower than theirs, I figured that would be fine. Comments?
The TR6 will be fine. Don't leave them gapped at .044, close the gap to .035. I have had very good luck with Autolite plugs.
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Old Mar 19, 2009 | 11:42 PM
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Im running Autolites in mine as well and they seem to keep up quite nicely with 150 shot @ .035
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Old Mar 20, 2009 | 07:23 AM
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Depending on timing, the TR6 will probably do just fine. I would pull the gap way in from what you have it now though. Keep around 34~36 for the gap.

Nick
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Old Mar 20, 2009 | 11:37 AM
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Thanks for the inputs guys. I'll close the gap up to .035.
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