S2000 Under The Hood S2000 Technical and Mechanical discussions.

Rethread Spark Plug Hole

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Old Feb 25, 2026 | 01:59 PM
  #11  
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Originally Posted by noodels
Sold it for 8 k...
WHAT. That's so cheap. I would've bought it and rebuilt the motor as a spare. Would've been a perfect parts car.
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Old Feb 25, 2026 | 04:16 PM
  #12  
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Originally Posted by MaintenanceObsessed
WHAT. That's so cheap. I would've bought it and rebuilt the motor as a spare. Would've been a perfect parts car.
Transmission with the low miles is rare. All kinds of stuff but the hard part is parting it all out.
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Old Feb 26, 2026 | 05:38 AM
  #13  
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Yeah worst case was finding a used head for it unless there is other damage we are not hearing about. Seems like it was sold way too cheap but maybe there is more we dont know about the car.
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Old Feb 26, 2026 | 06:15 AM
  #14  
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Pro tip on hand threading stubborn fasteners. Either where threads just don't wanna align and catch, or where it keeps trying to cross thread even by hand, or when your access is at a distance, like with plugs.

Slowly turn fastern in OPPOSITE direction, whike applying light downward pressure. You'll feel fastener rise, as it rides threads backwards, much like they do when removing, loosening them. But then you'll feel a sudden drop, as fastener falls off tip of last thread. Stop turning.

The threads are now aligned to engage. Now, the moment you start turning in tighten direction, threads will engage, and engage properly. So long as you keep fastener perfectly inline to its hole.

For something so critical if you mess up like plug threads its worth the extra 5 seconds.
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Old Feb 26, 2026 | 09:29 AM
  #15  
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Originally Posted by Car Analogy
Pro tip on hand threading stubborn fasteners. Either where threads just don't wanna align and catch, or where it keeps trying to cross thread even by hand, or when your access is at a distance, like with plugs.

Slowly turn fastern in OPPOSITE direction, whike applying light downward pressure. You'll feel fastener rise, as it rides threads backwards, much like they do when removing, loosening them. But then you'll feel a sudden drop, as fastener falls off tip of last thread. Stop turning.

The threads are now aligned to engage. Now, the moment you start turning in tighten direction, threads will engage, and engage properly. So long as you keep fastener perfectly inline to its hole.

For something so critical if you mess up like plug threads its worth the extra 5 seconds.
Most of the time that always works. It also tells you when removing a fastener that is is clear of the threads. However, if a little corrosion is present or working inverted from Mother Earth, like subframe bolts, you may find it difficult to nail it down.
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Old Feb 26, 2026 | 09:32 AM
  #16  
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For hard-to-access spark plug holes, I put a piece of rubber hose over the top of the plug to help with hand-tightening. Sometimes you get a better feel than using a socket and extension to hand-tighten. Kinda like this example on
Amazon Amazon
.

I use a plain spare rubber hose that fits.


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Old Feb 26, 2026 | 09:53 AM
  #17  
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Originally Posted by windhund116
For hard-to-access spark plug holes, I put a piece of rubber hose over the top of the plug to help with hand-tightening. Sometimes you get a better feel than using a socket and extension to hand-tighten. Kinda like this example on Amazon.

I use a plain spare rubber hose that fits.

I like this idea!
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Old Feb 26, 2026 | 10:15 AM
  #18  
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Yep that is a good method as well. I usually have a short piece of hose around for that purpose when I need it.
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Old Feb 26, 2026 | 10:37 AM
  #19  
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Only issue w rubber hose, its gotta be straight. If cut off a spool or rolled up coil, piece will be rounded. So plug will turn in an orbit, not a straight line perfectly inline w hole. Making thread engagement worse than using socket plus extension.

So, make sure your hose is straight whenever trying to screw anything
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Old Feb 26, 2026 | 10:40 AM
  #20  
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Originally Posted by Car Analogy

So, make sure your hose is straight whenever trying to screw anything
Just trying your best to bait us immature guys here???
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