C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Cut-back plugs on an LT engine?

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Old Aug 5, 2004 | 03:04 PM
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Default Cut-back plugs on an LT engine?

Just wondering if anyone has cut-back their plugs on an LT engine, I see lots of people doing it for L98's. I have to swap out my plugs in a few days and figured it was obviously the best time to do it if it's worth it! Thanks!

Jay
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Old Aug 5, 2004 | 08:37 PM
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Since it would unshroud the flame front on an LTx engine as well as on an L98, the results should be the same, i.e. a cleaner burn.
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Old Aug 5, 2004 | 10:50 PM
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Originally Posted by 65Z01
Since it would unshroud the flame front on an LTx engine as well as on an L98, the results should be the same, i.e. a cleaner burn.
I was thinking the same thing, just wanted check. Thanks!
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Old Aug 5, 2004 | 11:23 PM
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Can someone explain the idea of the "cut-back" I'm assuming it mean to cut back the electrode on the plug to expose more of the spark? Ho much is cut back? Is this effective with stock ignition? What about timing?
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Old Aug 6, 2004 | 10:05 AM
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I would also like to know how to cut back. First time I heard it.
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Old Aug 7, 2004 | 10:09 AM
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Ttt
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Old Aug 7, 2004 | 02:33 PM
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Originally Posted by rtracy
I would also like to know how to cut back. First time I heard it.
It means to trim back the end of the ground (side) electrode. You only take off about .080". Gives you about the same results as installing an airfoil.
(No one has proven that it does anything for combustion.)


Larry
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