what do they mean by colder plugs?
06-13-2002, 09:12 PM
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what do they mean by colder plugs?
i've seen alot of people getting "colder plugs" on their turbo setup. what does this mean? i currently have the bosch +4 platinum plugs from autozone, any idea if these are ok for turbo?
06-14-2002, 03:33 AM
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Re: what do they mean by colder plugs? (theory48)
Colder heat range. If your stock plugs are a 6, then 7 would be the next colder heat range. Colder plugs make it harder for you to detonate.
06-14-2002, 04:09 AM
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Re: what do they mean by colder plugs? (theory48)
In the most simple sense, a plug removes heat from the combustion chamber. A "Colder" plug will remove more heat from the chamber than a "Hotter" plug. So for FI applications where the intake charge is very hot, a colder plug is recommended.
Randy
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06-14-2002, 05:23 AM
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Re: what do they mean by colder plugs? (RGAZ)
Stay away from Bosch +4 plugs... They were designed to work with cars that have high miles and don't run as well anymore. The plug is also slightly hotter then a plug of the same heat range. Also, it's been my experience that Platinum plugs don't work well with FI. At least they don't work well for the new D16Y8 motors. I ended up switching to the F6DC plug from Bosch. It's the copper version of the F6DP which is the one that people tend to run in a highly built NA B or H series and also for high psi FI. The plug is very close to 2 heat ranges colder then the standard plug for the D16Y8 motors.
p.s.
I had +4 plugs in my car and the damn J&S looked like an EQ on my stereo...
p.s.
I had +4 plugs in my car and the damn J&S looked like an EQ on my stereo...
06-14-2002, 05:56 AM
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Re: what do they mean by colder plugs? (JRSCCivic98)
06-15-2002, 03:10 AM
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Re: what do they mean by colder plugs? (Arturbo)
thanx for all the feedback. i have a 94 delsol VTEC b16a3. what would you guys recommend? how many heat ranges colder? thanx
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