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'88740GL · Jul 27th, 2010, 21:26

I have heard that not many cars like NGK spark plugs.... including volvo's?, well the 740. I took my car in for a service, because the old plugs were seized into the head to a point where i didn't want to risk snapping them off..same with the oil drain plug...sigh! damn mechanics with air wrench's.. ' lets torque it down with 300 ft.lbs'...

Any way, the new plugs he put in are NGK 'R's, blue writing, didnt see a plug number, but i'm guessing its a hot running plug, as the ceramic insulator on the electrode is long and to my amazment, its still as clean as it was the 1000 miles or so it was put in...no grey brown deposits at all, no soot, nothing.. even the ground electrode is whiteish....... are these plugs suitable for this engine? its a B200E...

Any bosch recommendations?

thanks!

Jul 27th, 2010, 21:26	#1
'88740GL Senior Member Last Online: Jun 2nd, 2013 22:00 Join Date: Jun 2010 Location: salford	What spark plugs & reading your plugs... I have heard that not many cars like NGK spark plugs.... including volvo's?, well the 740. I took my car in for a service, because the old plugs were seized into the head to a point where i didn't want to risk snapping them off..same with the oil drain plug...sigh! damn mechanics with air wrench's.. ' lets torque it down with 300 ft.lbs'... Any way, the new plugs he put in are NGK 'R's, blue writing, didnt see a plug number, but i'm guessing its a hot running plug, as the ceramic insulator on the electrode is long and to my amazment, its still as clean as it was the 1000 miles or so it was put in...no grey brown deposits at all, no soot, nothing.. even the ground electrode is whiteish....... are these plugs suitable for this engine? its a B200E... Any bosch recommendations? thanks!