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woewoe
PostPosted: Sun Sep 04, 2005 5:45 pm 
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Hi
I am using 95 unleaded in a standard L20 engine as regular unleaded was causing the motor to ping under load. But with slow around town running it appears to me to foul the spark plugs and misfires especially in the cold weather when it has running on partial choke. It has been tuned recently Has anyone else experience similar problems?
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turbovan
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PostPosted: Mon Sep 05, 2005 11:15 am 
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Location: sydney
What plugs do you have in it?

Might want to run some BP5ES if most of your driving is around town.

_________________
1971 Datsun P510 SR20DET 276 rwkW
2005 Mercedes AMG E55 350 kW
1969 Datsun P510 L20B EFI 95 rwkW
1975 Ford XB Fairmont GS Wagon 179rwhp
1980 Escort Van SR20DET unfinished
2002 Suzuki GSX1300R Hayabusa 185hp
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woewoe
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PostPosted: Mon Sep 05, 2005 12:53 pm 
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At the moment it has Bosch WR7DCX plugs. I have owned this Bluebird for 24 years. I read somewhere that if you experiencing plug fouling it may be better to go one hotter on the spark plugs?
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turbovan
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PostPosted: Mon Sep 05, 2005 1:24 pm 
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Location: sydney
yep thats right, try some Bosch WR8DCX or NGK BP5ES, which is one grade hotter than what you have.

You might want to inspect the plugs first to see if they are actually fouling. Perhaps the "tuneup" wasnt exactly right.

_________________
1971 Datsun P510 SR20DET 276 rwkW
2005 Mercedes AMG E55 350 kW
1969 Datsun P510 L20B EFI 95 rwkW
1975 Ford XB Fairmont GS Wagon 179rwhp
1980 Escort Van SR20DET unfinished
2002 Suzuki GSX1300R Hayabusa 185hp
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woewoe
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PostPosted: Mon Sep 05, 2005 1:57 pm 
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Joined: Sun Sep 04, 2005 4:23 pm
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Thanks
I will Check the plugs and I try a hotter plug and see how it goes
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