Quote:
Originally Posted by Taylor95
You can increase horsepower and torque by increasing airflow into the engine and airflow out of the engine. Thus less restrictive airways will yield more power. If you can advance ignition timing on your truck easily, that will also make a small difference. Regearing will make a big difference too when it comes to towing.
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What would you suggest for more airflow? I already took off the restrictive cold air duct from the air box, and I don't really want to mess with the heads. I'll have to check out the timing, but I thought these couldn't be advanced because they're computer controlled, though I don't remember where I read that.
I have the lowest factory option for differentials (3.55) and I don't know enough to be comfortable regearing the axles myself.