S2000 Under The Hood S2000 Technical and Mechanical discussions.

Block Surface Scratch

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Old 01-05-2018, 06:05 AM
  #11  

 
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Deck it and call it a day. Just remember to figure out your chain tensioner/gasket situation after you do that.
Old 01-05-2018, 04:33 PM
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I'm talking with a shop now to resurface. Would I have to clock the timing gear? I've read some don't clock when installing a 2 and 3mm headgasket and do not have problems. I wouldn't think I would need to touch anything.
Old 01-05-2018, 05:52 PM
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Only if the chain stretches, because if you compensate for decking the block with a slightly thicker head gasket it should even out. My biggest worry is using a thicker head gasket changes the quench area, but shouldn't be an issue with the thickness increase we're talking about here.
Old 01-06-2018, 08:41 AM
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Would you guys have the shop replace anything? Like rings or bearings? If so what all parts would you replace?
Old 01-06-2018, 08:42 AM
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I'd just bolt a new hg on and see what happens
Old 01-12-2018, 10:03 AM
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Originally Posted by jaymz
Devcon. Aluminum Putty (F) ITW Polymers Adhesives
This is what we use at the Honda Engine Plant in Canada for small imperfections. It is 2 part, mix then fill in the defect allow it to cure and use a fine oil stone with oil to make it flush with the gasket surface.
I would get a large fine oil stone like the width of the block or close to it and gently stone the whole surface it will smooth out imperfections and highlight areas in need of repair. Make sure to clean up the oil from the stone after.
The scratch across the top of the cylinder is very likely to leak.
Hope this helps.
wonder why the advice that Honda actually uses is being ignored. this is pretty interesting.
Old 01-12-2018, 03:23 PM
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Originally Posted by jyeung528
wonder why the advice that Honda actually uses is being ignored. this is pretty interesting.
Devcon is a VERY good product. I've used it to reshape intake runners, but If I were able to get a tig torch where I needed it I wouldn't have used it. Would you rather have 2 pieces of material bonded together or one single piece? Just because the manufacturer does something a certain way doesn't mean it's the BEST way. They could be instructing the devcon method because that is the most efficient way for their assembly process instead of shutting down the line to stick a block back in further up the line to get resurfaced.

Kinda like when people say "don't resurface the flywheel cause honda doesn't say you can" Yet there is no logical reason why taking .005" off a flywheel would matter....because it doesn't. Gotta use some common sense.
Old 01-13-2018, 09:13 AM
  #18  

 
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I'd deck it, you've been pretty rough with that!
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