I know these plugs need to be replaced ,i removed them earlier today this is the first time i have checked them since i got the car.one of the plugs has white hard stuf in cross sections that u can see in the pics.the other plug looks more worn down inside of the plug where the tip is .they are not wet ,no antifreeze so i guess my seals are okay i hope.is this normal wear other than that they were in there to long.sorry if the question is sounds stupid i dont know much about cars i normally take my car's to mechanic for repair's,i only removed these 2 plugs i still have to get the other 2 out tommorow witch look harder to get out because of more stuff in the way the car is an 88 t2.
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In case you have not already noticed the upper (trailing) and lower (leading) plugs are different heat ranges.
The plug on the right in your picture looks like a worn out leading plug. It looks a little oil ash fouled. Do change your oil every 3K & not over 3500 miles. FWIW the rotary engine burns through normal steel leading plugs every 5-10K miles. I use NGK platinums (BUR7EQP) in the leading holes to get more miles between changes. |
i clean my plugs every oil change. That keeps em burning good. And i've mastered plug changing. I can remove, unflood and assemble in 15 min. Damn flooding. Carry a plug socket and wrench with you so that you can do that anywhere.
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