[NGK spark plugs] iridium vs. platinum - Page 2 - Honda-Acura.net

98CoupeV6 · 12-10-04, 10:22 PM

Quote:

Originally Posted by SmutWanter

You most likely do have bad or warped gaskets seals in that particular cylinder. Thats an easy problem to fix, and in terms of the spark plug you don't have to throw them out every time you see the oil on them. Instead, just clean them off with rubbing alcohol and a toothbrush, let air dry and they're as good as new.

Sandblasting is a fun option as well

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motoguy128 · 12-11-04, 12:40 AM

Just stick with the OEM recommended plugs. I beleive that the temperature of irridium and platinum plugs in the same car may not be the same.

My motorcycle had irridium plugs that lasted almost 30,000 miles and were still working fine when I changed them. 30,000 in a motorcycle is probably comparable to 120,000 on a car since the RPM's average 4 times higher. Most newer high performance motortcycles with fuel injection all use irridum plugs.

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12-11-04, 12:40 AM	#32
motoguy128 Senior Member Join Date: Nov 2004 Location: Southeast Iowa Posts: 253	Just stick with the OEM recommended plugs. I beleive that the temperature of irridium and platinum plugs in the same car may not be the same. My motorcycle had irridium plugs that lasted almost 30,000 miles and were still working fine when I changed them. 30,000 in a motorcycle is probably comparable to 120,000 on a car since the RPM's average 4 times higher. Most newer high performance motortcycles with fuel injection all use irridum plugs.