plug gapping? bigger gap=hotter spark - DFWstangs Forums
 
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post #1 of 8 (permalink) Old 12-02-2003, 10:30 AM Thread Starter
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plug gapping? bigger gap=hotter spark

The setup:302,stock heads, B-cam,1.7RR, TF Street intake, 70mmTB,75mm Maf, Msd Ignition Box, MSD blaster coil, and exhaust.

Right now I'm using ASF-42P Motorcraft Platinum's, and I have no idea where to gap them at.

I read a MM&FF mag a while back where they installed an ignition system on a stock 5.0 and said they were gapping the plugs a bit larger than stock(0.54), to take advantage of the hotter spark.

Does that sound at all correct?
I'm not to sure what to gap them at, especially when I here people talking about gapping their plugs between the 0.30's and 0.40's.

Let me know what you guys are gapping you're plugs at as well as your recommendations, thanks.
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post #2 of 8 (permalink) Old 12-02-2003, 10:39 AM
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If your running an aftermarket ignition you open up the gap a bit

"Apres moi le deluge"


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post #3 of 8 (permalink) Old 12-02-2003, 11:04 AM
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I agree. With no power-adder and an aftermarket ignition you should be able to go with a pretty wide gap without it getting "blown out".
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post #4 of 8 (permalink) Old 12-02-2003, 11:06 AM
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yes wider gap does=hotter spark
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post #5 of 8 (permalink) Old 12-02-2003, 11:14 AM
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How much wider? I have a msd 6A and coil and have mine caped at 50-52.
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post #6 of 8 (permalink) Old 12-02-2003, 11:33 AM Thread Starter
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Well stock is 0.54 so I gapped mine at 0.58 Is that too big or can I go to 0.60?
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post #7 of 8 (permalink) Old 12-02-2003, 11:49 AM
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you would probally be safe with that much without nitrous or a blower...Thats a pretty hot ignition compared to ford's

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post #8 of 8 (permalink) Old 12-02-2003, 10:28 PM
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Quote:
Originally posted by StreetFightenCpe
Well stock is 0.54 so I gapped mine at 0.58 Is that too big or can I go to 0.60?
In a N/A setup, with an aftermarket ignition you're safe with .060.
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