Spark plugs

Christianjwong

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What is the tightening specs for spark plugs was thinking about doing it myself
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gtman

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Pretty sure 16 ft lbs
 
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Christianjwong

Christianjwong

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Pretty sure 16 ft lbs
Is it for sure I've looked around and I can't seem to find it and do you think if I gapped the plugs to .028 I would be okay? I'm on TSP tuned with prl race maf cai. And I'm glad to see you still on the forums
 

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Let's put it this way. I wrote a note in my phone's memo app the other day for when I change plugs.

Those are the specs I plan to use (.028 gap; 16 tq).
 
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Christianjwong

Christianjwong

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Let's put it this way. I wrote a note in my phone's memo app the other day for when I change plugs.

Those are the specs I plan to use (.028 gap; 16 tq).
oh okay! keep me updated or keep it updated in the forums if you think its important
 


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Christianjwong

Christianjwong

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Spec “cheat” sheet I remember seeing a while back…

C082949F-E09F-4064-A547-1C8903B0D790.jpeg
Wow that is really useful is that what Honda uses? And also I see it says don't adjust gap you think it's fine to do so to .028
 


latole

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So true... in fact I don't know of an auto maker who uses anti seize on any new mass produced car engine currently. So there's no need like you said. Good call...
I don't know of an auto maker who use grease on brake, it is a job we must do
 

jayy_swish

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Wow that is really useful is that what Honda uses? And also I see it says don't adjust gap you think it's fine to do so to .028
I remember seeing it in the forums a while back decided to save it. So can’t take credit for it being mine lol. Always check the gap on plugs, even if they’re pre-gapped. I would assume the “no gapping” asterisk is that particular dealerships rule since iridium tip spark plugs are delicate
 

NukeKS14

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. I would assume the “no gapping” asterisk is that particular dealerships rule since iridium tip spark plugs are delicate
Yup. If you use one of the coin-style gapping tools you can knock off the iridium tip from the electrode. Some NGK plugs come pre-gapped but I'd always advocate for checking the gap with a feeler gauge at the very least. Just be careful with the iridium plugs to prevent damage. It might sound odd because iridium is twice as dense as lead and quite hard but, remember the spark plug manufacturers just place a small amount of iridium on the tip of the electrode; it's not completely made out of iridium.

Thanks for sharing that chart btw!
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