still a little cloudy on tuning..

**turbotooslow** · 08-26-2008

Originally Posted by Street Wolf

No. You don't need a aftermarket PCM for those light mods.

I don't see how you think those mods would increase KR anyways, they're meant to decrease KR.

I don't know what increases/decreases KR except that smaller pulley's without a tune increases it haha. But yes, it makes sense that those mods would decrease it.

**IndeedSS** · 08-27-2008

Because of the added air flow on the intake side you could lean out, and therefore a little tuning may be a good idea. You won't know without scanning though.

btw...it was a good question, and I commend you for asking before you did the mods.

**chrisb** · 08-27-2008

Originally Posted by IndeedSS

Because of the added air flow on the intake side you could lean out, and therefore a little tuning may be a good idea. You won't know without scanning though.

btw...it was a good question, and I commend you for asking before you did the mods.

yeah he'll lean out but the pcm will make adjustments to get him back on track but it can still cause promblems with kr.

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