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Thread: '07 Tahoe mods?
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03-17-2007 #1
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- Join Date
- Aug 2003
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- Prescott Valley, AZ
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'07 Tahoe mods?
So here is the deal. I have an '07 Tahoe with the AFM (displacement on demand) 5.4 engine. In theory it runs on 4 cylinders at cruising. However, it rarely will drop down to 4 unless I coast. The only thing different I have on the Tahoe is 20” wheels with a 285 tire – bigger footprint and a bit more drag than stock. What I am wondering is if I buy a cold air and exhaust (slightly more HP) will this help it get into the 4 cylinder mode more often? Do any of you guys have one or know of someone that does?
The HP gains that the aftermarket boasts about are debatable and until I see some dyno figures I'll continue to be a skeptic. I'm not looking to be the fastest Tahoe in my area. But if I can gain significantly more MPG average with a few mods, I'll do it.
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