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Magnimike1 · 08-19-2013, 03:02 PM

a lot of times the headers will start to glow red after running the engine at 3000 rpm without a load on it. It does not necessarily mean that its lean
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08-19-2013, 03:02 PM	#8
Magnimike1 Registered User Join Date: Nov 2008 Location: Fort Worth Posts: 86	Re: vortec head, cam swap. some Q's a lot of times the headers will start to glow red after running the engine at 3000 rpm without a load on it. It does not necessarily mean that its lean Posted via Mobile Device