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What Spark Plug GAP?

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Old Jan 18, 2002 | 04:07 PM
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CHIKIN1's Avatar
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What Spark Plug GAP?

What should I gap my BR7EF's at?
 
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Old Jan 18, 2002 | 04:18 PM
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For every mod you do, close the gap by .001"

like a 2lb pulley, thats .001
3lb pulley another .001
new speakers, thats another .001

seriously, what mods have you done?
 
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Old Jan 18, 2002 | 04:19 PM
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I think we're gonna gap'em at .035!!!

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Old Jan 18, 2002 | 04:24 PM
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dude, check and see if ur plugs are factory gaped, if they are, which most of them are these days, u wont have to gap anything.
the gap is the distance inbetween the spark area.
 
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Old Jan 18, 2002 | 04:50 PM
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i wouldn't close them up that much, with the upper alone, but if your planning on that 4lb lower, "real soon", it would probably be ok
 
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Old Jan 18, 2002 | 04:58 PM
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I checked the gaps on my stock plugs when they were removed and found a range from .035 to .047. I set my TR-6s at .039, but I have 20" wheels and electric fans.
 

Last edited by sixpipes; Jan 18, 2002 at 05:09 PM.
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Old Jan 18, 2002 | 05:02 PM
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Wink

.039" on TWANKIES!!!! poor Go_Rila,,,, maybe i should call the ASPCA, or something
 
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Old Jan 18, 2002 | 06:54 PM
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.040 is about normal for our plugs. I was still fighting detonation with the cool air and had to go to a .035 to help me out. It just depends on your mods and the density of the air. This summer you may need to go to a little wider gap.
 
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Old Jan 18, 2002 | 07:01 PM
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.38 is what every Denso I have pulled out the box came at!! I left them right there baby!!!
 
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Old Jan 18, 2002 | 07:19 PM
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ICULOKN has been there for me in the past what ever he says go with it. I am when i get my damn plugs in
 
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Old Jan 18, 2002 | 07:25 PM
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Never trust the gaps the plugs come with. Sal said to gap my BR7EFs at .040. Always use a 'wire' type gapping gauge--never use 'feeler type gauges'--they won't be as accurate and they usually have oil on them to keep them from rusting--it's not good to get oil on your new electrodes .

Dan
 
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