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How does this spark plug look?

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Old Aug 15, 2023 | 10:48 PM
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Default How does this spark plug look?
Sorry noob here but how does this plug look? New engine with less than 50 miles. Should I be concerned about the glossiness?



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Old Aug 15, 2023 | 11:21 PM
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it looks lean to me, too white, both the center and the strap. no detonation tho, you would see "speckles" . what is the current wide open throttle AFR ? boosted or N/A car ??
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Old Aug 15, 2023 | 11:53 PM
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Using the front 02’s but it does have one in the hood dump. Have not gone Wot yet. But it is running lean found an exhaust leak and need to get a new data log tomorrow.

6.0 single turbo still breaking in the engine
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Old Aug 16, 2023 | 12:57 AM
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Originally Posted by teo916
........it does have one in the hood dump.
HuH?????
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Old Aug 16, 2023 | 02:19 AM
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Sorry Wideband in the hood dump
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Old Aug 16, 2023 | 09:28 AM
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What stumped me was "hood dump". What is that?
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Old Aug 16, 2023 | 10:37 AM
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Originally Posted by teo916
Using the front 02’s but it does have one in the hood dump. Have not gone Wot yet. But it is running lean found an exhaust leak and need to get a new data log tomorrow.

6.0 single turbo still breaking in the engine
yes exhaust leak for sure will lean it out. I would fix that first before doing WOT pulls. it doesn't take much to pop a motor leaned out. should be about 11.0 AFR at WOT.
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Old Aug 16, 2023 | 01:34 PM
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Originally Posted by G Atsma
What stumped me was "hood dump". What is that?
the downpipe is routed right through the hood no muffler just 90 after turbo and straight up
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Old Aug 16, 2023 | 01:37 PM
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Originally Posted by Ls1Rx-7
the downpipe is routed right through the hood no muffler just 90 after turbo and straight up
Having said that, you need at least 18" of pipe after an O2 sensor so it doesn't see reversion from the outside.
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Old Aug 16, 2023 | 01:37 PM
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Yea Ik it’s just space is so limited

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