A18A sparks plugs

[X-1]

I want to know if I can use the same spark plugs of a A20A1 in the A18A,or you guys think the NGK iridium are the best choice.

[carotman]

check under the hood. There should be a sticker saying what spark plugs you can use.

[A20A1]

The sticker will look like this:
https://www.3geez.com/forum/showthread.php?t=40679

[X-1]

Ok,I know my english is very bad.You guys don't understand me.I owned a A20A1 that I replace(like 2 years ago) for a A18A.I have a set of spark plugs that I never put in the old engine and I want to know if I can use them in the A18A.And one more think,I know where the sticker is,that's not the issue.

[russiankid]

Ok,I know my english is very bad.You guys don't understand me.I owned a A20A1 that I replace(like 2 years ago) for a A18A.I have a set of spark plugs that I never put in the old engine and I want to know if I can use them in the A18A.And one more think,I know where the sticker is,that's not the issue.

I do not see on why you cannot use those plugs. I mean there isn't a HUGE difference between the A18 and A20. So i would use them.

[Estimated Prophet]

Do the plug model numbers on your sticker match the A20 sticker linked?

[russiankid]

Do the plug model numbers on your sticker match the A20 sticker linked?

He HAD an A20 in it, but swapped to a A18. So his sticker will be different from an A18 car. But i dont see how it can be different when only the intake and a few other things are different, not to mention the engine is a 1.8L.

[Estimated Prophet]

Oh the engrish threw me off. I'd say try it and let us know if it blows up for not(most likely not).

[cygnus x-1]

Honda lists several different plugs for the carbed Accord (a20) and Prelude (A18) engines. A few of them are the same part number so I think you'll be fine with the A20 plugs.

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