MINI2

venox22 · Oct 31st, 2005, 10:58 AM

For a stock MCS i am aware that the plug heat range is a 7, for the JCW car the heat range is a 6(1 colder)

I am aware that it is safer to use a colder plug when doing mods such as pulley etc. My MCS as it stands has a JCW airbox, JCW exhaust and MTH tuner ecu map.

While im changing my plugs do you think it would be wise to put a colder plug in while im doing it???? would i see any other benefits as well as being safer???

XTREEM · Oct 31st, 2005, 01:01 PM

I would only do it if you were doing the pulley in the very near future.

roland2003 · Nov 7th, 2005, 01:05 PM

Hi Guys, stock heat range is '6' .Colder (ie JCW & GT Tuning conversions) is the ''7' heat range. Colder is always safer ,although too cold will cause plug fouling on a cold engine.
No fear of that happening here though. As well as going colder you can upgrade the 'quality' of the plug to Iridium ; this gives a better quality 'fatter' spark which may give a very small improvement in power & economy at the same time. We include colder Iridium
sparkplugs in all the GTT performance conversions.
Regards Roland GT Tuning

Oct 31st, 2005, 10:58 AM	#1
venox22 only the brave! Join Date: Dec 2004 Location: Lincs Local Time: 10:21 PM Posts: 1,290 Offline	Do i need a colder plug?? For a stock MCS i am aware that the plug heat range is a 7, for the JCW car the heat range is a 6(1 colder) I am aware that it is safer to use a colder plug when doing mods such as pulley etc. My MCS as it stands has a JCW airbox, JCW exhaust and MTH tuner ecu map. While im changing my plugs do you think it would be wise to put a colder plug in while im doing it???? would i see any other benefits as well as being safer???

Nov 7th, 2005, 01:05 PM	#3 (permalink)
roland2003 MINI 2 Sponsor GT Tuning Join Date: Jan 2004 Local Time: 09:21 PM Posts: 2,731 Offline	Hi Guys, stock heat range is '6' .Colder (ie JCW & GT Tuning conversions) is the ''7' heat range. Colder is always safer ,although too cold will cause plug fouling on a cold engine. No fear of that happening here though. As well as going colder you can upgrade the 'quality' of the plug to Iridium ; this gives a better quality 'fatter' spark which may give a very small improvement in power & economy at the same time. We include colder Iridium sparkplugs in all the GTT performance conversions. Regards Roland GT Tuning www.gttuning.com

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Oct 31st, 2005, 01:01 PM	#2 (permalink)
XTREEM MINI2 Master Join Date: Oct 2004 Location: Batemans Bay Local Time: 08:21 AM Posts: 836 Offline	I would only do it if you were doing the pulley in the very near future.

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