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Discussion Starter #1
I was just reading about the 350Z stats to cool the engine somewhat and was wondering if colder plugs would help with the same. I know in the long ago past, that cold plugs could help some engines which naturally ran hot, but, on others, the plugs would foul up more quickly. Anyone converted to colder running plugs and if so, how did you like them? Thanks for any replies. Mike
 

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YOU DONT WANT TO, STOCK OR EVEN WITH BOLT ONS. Im 2 steps colder only cause Im blown and tuned with more timing and 10psi(well 8psi till I change the belt due to slippage)
 

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the VQ40s run cold normally so no need for cooler plugs
 

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off topic but BRUTAL..... you ever get re-tuned? Or have a set date to get re-tuned?
 

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Discussion Starter #5
Thanks for the replies everyone. It was just a thought that crossed my mind. That happens sometimes. It appears that everyone is trying to cool down the temps and I thought that a colder plug would help the process.
 

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off topic but BRUTAL..... you ever get re-tuned? Or have a set date to get re-tuned?
yes, but I have not redyno'd on a dynojet and I need to get another belt since I think its slipping on higher psi. I used to pull 10psi now only 8. I just recently fixed a bad exhaust leak at the collector, since I have to make my own gaskets. But I have otheri, more pressing issues like a 5month pregnant 16yr old daughter Im talking to right now
 
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