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SPARKPLUG GAP QUESTION

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Old 23-10-2005, 01:02 PM
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ryan_belfast
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Default SPARKPLUG GAP QUESTION
T28 Escort cosworth running graham goode 305bhp conversion and 1.3 bar of boost, what should the spark plug gap be? Prettttty please?
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Old 23-10-2005, 01:09 PM
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Id start at .6mm assuming its a set of "normal" plugs.

what plugs is it?
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Old 23-10-2005, 01:10 PM
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Just normal ones chum
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Old 23-10-2005, 01:11 PM
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0.6 is that not a bit wide?
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Old 23-10-2005, 01:11 PM
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Yeah start at .6mm then mate
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Old 23-10-2005, 01:12 PM
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Start at? What u mean start at? Set them to .6 and see what it goes like ya mean? and if it pops or backfires then go to .65 or .55?
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Old 23-10-2005, 01:12 PM
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Originally Posted by Ryan_Belfast
0.6 is that not a bit wide?
No, should be ok if you have a decent strength ignition system.

If they cant cope with it try .5
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Old 23-10-2005, 01:13 PM
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Okey dokey, thanks chum i shall give it a try
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Old 23-10-2005, 04:28 PM
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0.8mm absolute minimum. Personally id fit some PP8s direct from Ford and have done with it, fit and forget.
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