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Bosch W280 P21/T30 spark plugs
Going through my spark plug drawer, I came across 11 brand new Bosch W280P21 and 2 brand new W280 T30 plugs. I'm wondering which 911 motor these are for - my 2.2 S uses W265 P21's. I'm curious what the difference is between a P21 and a T30, as well. My guess is that they might be for a '73 2.7 RS. Are these valuable? Thanks for your help!
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'71 911S Coupe '78 Yamaha RD-400 |
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07-17-2006, 04:45 PM
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I just ran across this ancient thread because I have the w280t30 Bosch plugs as well. Please chime in if you know
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10-18-2024, 08:10 AM
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Join Date: Apr 2022
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Are you looking to sell them? I'll be interested
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10-18-2024, 10:10 AM
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Join Date: Apr 2011
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I am looking for 3-9x W280P21 if anyone has them, including the original poster.
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WTB: 1974 1975 Black Leather Interior (Rear Seats and Drivers Door Top main priority) 1970's Vasek Polak Frame "Porsche|Audi" written on top 1958 1959 356A Rear 1/4 Panels Red/Burgundy Vinyl |
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01-22-2025, 11:06 AM
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I am looking for 3 to 9x W280P21 if anyone has them, including the original poster.
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WTB: 1974 1975 Black Leather Interior (Rear Seats and Drivers Door Top main priority) 1970's Vasek Polak Frame "Porsche|Audi" written on top 1958 1959 356A Rear 1/4 Panels Red/Burgundy Vinyl |
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01-22-2025, 11:14 AM
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The “P” are platinum tip, the “T” is a standard plugs. The 30 is extended tip. Nothing stock used the very cold 280’s. As “W”= 14mm, stock application head probably. 280’s for high comp track car or hot rod Turbos. Factory race cars used 12mm plugs =“X”.
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01-22-2025, 12:36 PM
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Join Date: Apr 2011
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Regardless, I am looking for 3 or 9 pieces. Anyone have these for sale?
-Ben
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WTB: 1974 1975 Black Leather Interior (Rear Seats and Drivers Door Top main priority) 1970's Vasek Polak Frame "Porsche|Audi" written on top 1958 1959 356A Rear 1/4 Panels Red/Burgundy Vinyl |
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01-23-2025, 08:12 AM
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1985 porsche 930
