leading spark plugs in all 4 spots?
01-17-2008, 12:18 AM
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leading spark plugs in all 4 spots?
I've read on several other threads that some people have put 4 trailing spark plugs in all 4 spots and haven't had any problems.
My question is, what about putting 4 leading spark plugs in all 4 spots? Does this cause problems? Can they be installed like this for 20-30 miles of driving, just until I can get trailing plugs without any problems.
My car wont' turn over, all the spark plugs are completely fouled and need to be changed. My car is currently parked in a parking lot and I just drive it home before it gets towed away. I just want to know if I can put 4 leading spark plugs as a temporary fix so I can drive my car home.
thanks
My question is, what about putting 4 leading spark plugs in all 4 spots? Does this cause problems? Can they be installed like this for 20-30 miles of driving, just until I can get trailing plugs without any problems.
My car wont' turn over, all the spark plugs are completely fouled and need to be changed. My car is currently parked in a parking lot and I just drive it home before it gets towed away. I just want to know if I can put 4 leading spark plugs as a temporary fix so I can drive my car home.
thanks
01-17-2008, 12:50 AM
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01-17-2008, 11:09 AM
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thank you for the info. I'll replace just the lead plugs for now, just to drive the car home, then I'll change the trailing plugs once they come in.
thank you again.
thank you again.
01-17-2008, 08:39 PM
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Wrong heat range too.
Trailing plug point runs a higher pressure compared to the leading hence the difference in plug ratings for "leading - trailing"
7's in the trailing (if you could make them fit) would ping & pop the engine if you asked for 100% throttle.
Guys get away with 9's all round for that reason. The only consequence for 9's in the leading is that they will foul within 1000km of driving as the heat in them is lower allowing carbon deposits to attach themselves to the plug
REgards
Trailing plug point runs a higher pressure compared to the leading hence the difference in plug ratings for "leading - trailing"
7's in the trailing (if you could make them fit) would ping & pop the engine if you asked for 100% throttle.
Guys get away with 9's all round for that reason. The only consequence for 9's in the leading is that they will foul within 1000km of driving as the heat in them is lower allowing carbon deposits to attach themselves to the plug
REgards
01-17-2008, 10:20 PM
#10
Wrong heat range too.
Trailing plug point runs a higher pressure compared to the leading hence the difference in plug ratings for "leading - trailing"
7's in the trailing (if you could make them fit) would ping & pop the engine if you asked for 100% throttle.
Guys get away with 9's all round for that reason. The only consequence for 9's in the leading is that they will foul within 1000km of driving as the heat in them is lower allowing carbon deposits to attach themselves to the plug
REgards
Trailing plug point runs a higher pressure compared to the leading hence the difference in plug ratings for "leading - trailing"
7's in the trailing (if you could make them fit) would ping & pop the engine if you asked for 100% throttle.
Guys get away with 9's all round for that reason. The only consequence for 9's in the leading is that they will foul within 1000km of driving as the heat in them is lower allowing carbon deposits to attach themselves to the plug
REgards
By pressure I hope you mean heat/temperature.
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