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Lt1 nitrous plug reading

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Old Jun 27, 2019 | 09:07 PM
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Default Lt1 nitrous plug reading

Nitrous outlet 58mm plate
N62
F29
R5671a-7
9 degrees of retard
Having a hard time seeing if this plug has to much heat or not enough.


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Old Jul 1, 2019 | 08:36 AM
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A couple questions before anyone makes recommendations

A. I'm assuming this was a fresh plug and only used for one pass...correct?
B. What was total timing down track. degrees of retard doesn't tell us anything unless we know the base that it's being pulled from...it's easier to just tell us total timing down track.
C. What fuel are you using?
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Old Jul 1, 2019 | 10:27 AM
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Originally Posted by MaroonMonsterLS1
A couple questions before anyone makes recommendations

A. I'm assuming this was a fresh plug and only used for one pass...correct?

Yes. One pass pushed to the lanes. Shut off at stripe and pulled out. No run time before or after.

B. What was total timing down track. degrees of retard doesn't tell us anything unless we know the base that it's being pulled from...it's easier to just tell us total timing down track.

38 degrees minus the 9 retard is 29 total.

C. What fuel are you using?
93 pump gas

I have been on the phone with brandon from nitrous outlet he has been a big help so far. This is my first time with nitrous. We agreed that it does not have enough heat on it yet to see a distinct heat mark, but does look a little rich. I am going to leave the timing for now and get the fuel a little bit better then add some timing back in. Just looking for more input from other nitrous users. Thanks
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Old Jul 2, 2019 | 07:23 AM
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If you've got brandon on your side, I'd say you're all set!

Personally, I would say the fuel looks on the safe side...so a tad rich but not overdone. (p.s. thanks for cutting the plug apart so we can see...finally someone that knows to do that!)
As for the timing, I can't tell if it's all the way back on the strap...or if it's JUST barely starting to turn color, which means it needs more heat in it and then you can toss more spark at it.

I would agree that for now you should leave the spark alone and focus on the fueling first, then chase the spark.
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Old Jul 6, 2019 | 05:14 PM
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31 degrees total. Same plug heat r5671a 7.

Looks like it still wants more timing.

Side note my first 10 sec pass. Car is 3750 with me in it full interior. Working ac, amp and subs in trunk. And a 6 speed.





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Old Jul 9, 2019 | 05:20 PM
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What did the MPH look like between those two runs(plugs)?
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