When to go up heat range????

[sosolid]

Currently have heat range 6 itidium plugs on my glanza. When or what bhp do i need to goto heat range 7 ?

currently i have hybrid ct9, fmic, decate, wepr mani, exhaust, magnecore ht leads and 1 bar boost

[5e colin]

Now at 1bar

[Stu]

Yes I would agree

[sosolid]

Thanks guys, good to know i have the right plugs.

[Androo26]

I would agree with what the other guys have said too. Read this article and you can make an educated decision for your self by testing it. Not just because others said too. ( hope this helps )

http://www.wallaceracing.com/plug-reading-lm.html