Spark and timing

**01FFF** · 04-17-2006, 07:05 AM

I just want to ask you guys. The shop installing an NX system said I don't need to retard my timing or run cooler plugs with the 100 shot. Any opinions?

2001
LS1
Firehawk

**Matt@HSW** · 04-17-2006, 07:43 AM

If your timing is stock then you don't need to retard it. If you advanced it any with a PCM tune, then yes, I would pull that timing back out.

I highly suggest running a colder plug, like a NGK TR6.

Matt

**01FFF** · 04-17-2006, 08:02 AM

Thanks, it is stock programming. It just sounded funny.

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