Gen 5 Camaro Internal Engine Tech - Plug heat range?
04-17-2011, 12:06 PM
On a cam swap what's everyone doing,dropping on heat rangeWhat are you using?
05-03-2011, 05:12 AM
with cam and heads i would use Autolite 103
05-04-2011, 12:20 AM
This is from the NGK website:
05-04-2011, 07:02 PM
I'm just doing a cam,do I need to drop one heat range
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