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Need Help with NGK Numbering Convention 1800 1973

posted by  Chris Mullet on  Sun Oct 4 07:03 CST 2015
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last visit: Fri Oct 24 09:08 CST 2014
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Thanks Phil. This is for the B20F in my 1800 which as you point out has a 1/2" thread depth. Upon further research I see the "H" plug has a 1/2" reach (makes sense "H" for "half") while the "E" has a 3/4" reach. Now if I can just find some locally.
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Current rides: 2005 Volvo S80 2.5T, 2003 Volvo V70 2.4NA, 1973 Volvo 1800ES (fixed the ignition - now back to the brakes again)






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New Need Help with NGK Numbering Convention [1800][1973]
posted by  Chris Mullet subscriber  on Sat Oct 3 15:25 CST 2015 >


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