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Discussion Starter · #1 ·
Car is running \"rich.\" Would colder or hotter plugs make a difference?

Have heads and cam on the car and the car continues to set "rich" codes. I know this will not solve my problem, since it seems to be vacuum related and plan on utilizing a device to alter fuel and timing, however generally speaking does one run a colder or hotter plug when experiencing a "rich" condition?
How about gapping the plug and how does that affect combustion?


Plan on using Bosch 2 prong plugs and before buying wanted to hear what you guys thought about the heat range of the plug.




John
 

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Re: Car is running \"rich.\" Would colder or hotter plugs make a difference?

Plugs have more to do with compression and/or intake temps - so I don't think you want to bother.

If you have heads/cam I'll assume you have headers too. The VEC2 would probably fix you the best.
 

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Re: Car is running \"rich.\" Would colder or hotter plugs make a difference?

It won't help with your problem.

How rich are you running?? And do you have have a baseline or A/F prior to the mods??

Regards,
 

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Re: Car is running \"rich.\" Would colder or hotter plugs make a difference?

Martin D said:
It won't help with your problem.

How rich are you running?? And do you have have a baseline or A/F prior to the mods??

Regards,

Do not have a baseline A/F. Will be adding a wideband soon. Just continue to set rich codes. I DO realize plugs are not a solution. Just curious "generally" speaking, not even Viper related, do people change plugs to a different setting in conjunction to adjusting timing and fuel. If not, what is the purpose of having hotter and colder plugs?


Thanks
 
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