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mac,s inatke system [Archive] - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum

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ltdakheel
06-30-2008, 06:56 AM
did anyone install mac cold intake system on 5.3L i ordered one i,m waiting for it, they said on site you have adjust AFR to 12.6 to 13.0 max , our freind spong said even with tune still having lean codes on mid range and WOT ,
so anyone had did this plz let me know how he did it and what AFR did you use

thanks
omar

Envoy Fan
06-30-2008, 09:44 AM
Member Spong had one on his 2006 TB with the 5.3L engine. After a period of time it started throwing codes. He sold it.

Spong
07-08-2008, 03:25 PM
When I had PCMforless tune my PCM I told them to adjust for an air intake. I didn't give them any specific AFR settings. I'm sure if I would have, they could have set it to whatever it needed to be.

The intake is a nice quality setup and with the right tune it should work great.

ltdakheel
07-08-2008, 03:41 PM
thanks alot man
i recieved my intake and i will install it soon i will let you know

:))