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What Spark Plugs Should You Use On LNF?
This question has been asked so many times, so I'm just gonna make this a sticky.
Stock Ac-Delco Plugs Gapped to .032. 41-108. 4 Of Them. |
Ngk makes a good iridium plug. Thats all i run
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Originally Posted by Omiotek
(Post 7611601)
Ngk makes a good iridium plug. Thats all i run
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Yes i know. I usually run a step colder. Forgot to mention that. I also usually run higher boost then most
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Originally Posted by Omiotek
(Post 7611629)
Yes i know. I usually run a step colder. Forgot to mention that. I also usually run higher boost then most
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I run 28 psi and I use stock. I used one step colder once, engine sounded gurglly
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Just did mine and went with stock Acdelco's.
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Originally Posted by ionRL_585
(Post 7611816)
Just did mine and went with stock Acdelco's.
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Originally Posted by 63 Nova SS
(Post 7611837)
Those seem to be the best for most anyone. Pay attn to the gap.
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Originally Posted by 63 Nova SS
(Post 7611837)
Those seem to be the best for most anyone. Pay attn to the gap.
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Originally Posted by umrdyldo
(Post 7611997)
Mine were all 030-032 out of the box so i didn't touch them. Quick install. Too bad I found oil on one plug during removal. No misfires or running rough. Hopefully just a spark plug well gasket.
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Is there a 1 step colder option anywhere?
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For lnf just the oem plugs
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So are copper plugs a thing of the past? i know iridium plugs last longer. I just always bought copper plugs for my LSJ, i just assumed it would be the same for the LNF because they burn better and have better conductivity. |
Nothing works better than OEM plugs for a lnf. Also sometimes its best to re-gap them to .032-.030 to avoid spark blowout when tuned or are tuned
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He is trying to say you may need to regap plugs to .030.-032.
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Ok I’ll take y’alls word for it, i just never used iridium plugs before |
Originally Posted by 63 Nova SS
(Post 7700374)
He is trying to say you may need to regap plugs to .030.-032.
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Spell check changed your "regap" to "regal", just didn't want him to get confused. I see you edited it.
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Actually I've seen guys having problems with at the 600whp levels using copper plugs on a lnf and playing with gaps because of spark problems at high levels of boost
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I started using ngk one step colder from stock. Same plug but a step colder. They work very well. Will post the number later
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Originally Posted by tomj77
(Post 7710312)
I started using ngk one step colder from stock. Same plug but a step colder. They work very well. Will post the number later
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Originally Posted by AfterShok
(Post 7710318)
What was the reason from going one step colder? Are you stock or running some mods? I just bought the stock ones you posted originally
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Originally Posted by ECaulk
(Post 7710320)
He has a big boy turbo
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Like he said, big boy turbo with big boy boost lol. Definitely helps with knock in combination with direct port meth. Run 6 degrees timing more with direct port and one step colder vs stock and single nozzle on 94.
Originally Posted by AfterShok
(Post 7710318)
What was the reason from going one step colder? Are you stock or running some mods? I just bought the stock ones you posted originally
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