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new spark plugs now I'm running rich? L67 by LoW_KeY
Started on: 10-12-2013 01:12 PM
Replies: 4 (194 views)
Last post by: darkhorizon on 10-14-2013 02:34 PM
LoW_KeY
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Report this Post10-12-2013 01:12 PM Click Here to See the Profile for LoW_KeYSend a Private Message to LoW_KeYEdit/Delete MessageReply w/QuoteDirect Link to This Post
I switched from NGK TR6's to Autolite 103 gapped the tr6's at .45 ran good slight surge up top though. Switched to 104's gapped the same could gap be to small and making it run rich?

crap thought I posted in technical
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[This message has been edited by LoW_KeY (edited 10-12-2013).]

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Rare87GT
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Report this Post10-12-2013 04:10 PM Click Here to See the Profile for Rare87GTClick Here to Email Rare87GTSend a Private Message to Rare87GTEdit/Delete MessageReply w/QuoteDirect Link to This Post
What size pulley are you running and do you have a full Intercooler? What is the plug gap set at? Depending on your setup, I run Autolite 103's gapped at .040, of course I have a 2.8" pulley and the 5% overdrive balancer so I wanted to make sure I had no spark blow out.
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[This message has been edited by Rare87GT (edited 10-12-2013).]

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LoW_KeY
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Report this Post10-12-2013 08:22 PM Click Here to See the Profile for LoW_KeYSend a Private Message to LoW_KeYEdit/Delete MessageReply w/QuoteDirect Link to This Post
Full stack with 2.8... gapped at 0.45. So what's the whole spark blow out?
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Rare87GT
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Report this Post10-13-2013 11:38 AM Click Here to See the Profile for Rare87GTClick Here to Email Rare87GTSend a Private Message to Rare87GTEdit/Delete MessageReply w/QuoteDirect Link to This Post
Too big of a gap will cause the engine to feel like a miss up high in the rpms. I would stick with the 103's but gap them at like .042" or something and see what happens. It shouldn't change your air fuel at all though.
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darkhorizon
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Report this Post10-14-2013 02:34 PM Click Here to See the Profile for darkhorizonSend a Private Message to darkhorizonEdit/Delete MessageReply w/QuoteDirect Link to This Post
Possible the old plugs were giving you issues resulting in lean readings.. new plugs working better will cause less misfires that otherwise would have shown lean.
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