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DRR Trophy |
Autolite....ar3933x | |||
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DRR S/Pro |
Putting a he!! of a strain on secondary KV... Will seek a better path.. What ignition? California Screaming! Raceless in California! | |||
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DRR S/Pro |
Used to cut them back to stop spark scatter but never off.. California Screaming! Raceless in California! | |||
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DRR Pro |
We run brisk plugs in the midget, but not the sprint car or the dragster. I hate the strapless plugs because you can't read them without cutting them apart. ΜΟΛΩΝ ΛΑΒΕ | |||
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DRR Trophy |
many of the old OMC outboards used surface gap plugs. I had one, 1982 model, used same plugs as some of the 70's motors did. Had a couple Mercs too, all early 1980's stuff. It's been around a while. Putting in conventional plugs into the Merc's improved the idle quality a little but would tend to lose a little top end power. Never tried them in the race car. | |||
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DRR Top Comp |
Once again surface gap plugs are not the same as taking a new NGK plug and cutting electrode off. https://postimg.cc/gallery/np3zpruo/ "Dunning-Kruger Effect" -a type of Cognitive bias where people with little expertise or ability assume they have superior expertise or ability. This overestimation occurs as a result of the fact that they do not have enough knowledge to know they don't have enough knowledge. Before you argue with someone ask yourself, "Is this person mentally mature enough to grasp the concept of a different perspective?" If not there is no point to argue. 4X NE2 CHAMPION. 2020 TDRA NE2 Champion | |||
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DRR Pro |
That would depend on the location of the tip. Obviously, an extended reach plug wouldn't work without a ton of voltage. All of them stretch the limits of ignitions. ΜΟΛΩΝ ΛΑΒΕ | |||
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DRR S/Pro |
One has to smile. We've come from points and condenser to coil-on-plug ignitions and we still "stretch the limits." Illegitimi non carborundum | |||
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DRR Sportsman |
NGK Racing Surface Gap plugs are $68.99 EACH from Summit P/N 3235 / R0045Q-9 Dan "Jim" Moore Much too young to feel this damn old!! | |||
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DRR Elite |
How much spark is really needed? Kind of like asking how much octane is needed or how "great" of oil is needed or best. A friend made a test fixture with a sight glass that could be pressurized I think with CO2. You can thread a spark plug in, and watch it (and listen) as you raise the pressure in the fixture. I was amazed at the lower pressures (in terms of compression that is) that would cause changes in that spark even with a .020 gap. Trying to simulate boost type pressures before ignition...or during. The first fault he would see was the spark short circuiting from the boot to the plug base. Might be a good argument for dielectric grease in the boots. Foxtrot Juliet Bravo | |||
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DRR Pro |
I think the tiniest of sparks can ignite any fuel mixture with some dependency on the volatility of the fuel being used. The second guessing comes in I think when we have contamination of that mixture with oil residue, left over carbon from the previous ignition and the chance of igniting it prior to when we wanted it ignited (pre-ignition). So I'm certainly willing to believe that an engine can run with the ground electrode removed - how well, how long and whether there's any performance advantages is another set of questions. | |||
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DRR Pro |
I am referring to the strapless plugs that have to jump a large gap. ΜΟΛΩΝ ΛΑΒΕ | |||
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