Hey everyone, thanks for viewing my page.  This is my Avalanche Z71.  I have not done too many mods to her but I will go over what has been done.  I am always eager to add to the ever-growing mod list so check back at some point.  Advice and ideas are always welcome!  I dig constructive criticism!K&N Cold Air Intake - This performance upgrade gave me a bit quicker throttle response and better acceleration when already over 50km/h.  It also gave me a little more space under the hood to work with and the truck just sounds nicer.  I noticed no improvement in fuel mileage however.  Install was VERY simple. Amber DRL(Daytime Running Lights) - They looks cool and make it easy for members of CAFCNA (The Chevy Avalanche Fan Club of North America) to recognize eachother. Dual Electric Radiator Fan Conversion - My mechanical fan stopped cooperating so I decided it was a good time to take this weight off of the engine.  A mech. to elec. fan conversion supposedly frees some horsepower and fuel mileage by not being a load on the engine.  I have not noticed any power gains but have noticed increased cooling performance.  For my conversion I chose FF Dynamic's kit, they were a great company to deal with, cleared any questions I had in under 24hrs. Amber DRL(Daytime Running Lights) - They looks cool and make it easy for members of CAFCNA (The Chevy Avalanche Fan Club of North America) to recognize eachother.Dual Electric Radiator Fan Conversion - My mechanical fan stopped cooperating so I decided it was a good time to take this weight off of the engine.  A mech. to elec. fan conversion supposedly frees some horsepower and fuel mileage by not being a load on the engine.  I have not noticed any power gains but have noticed increased cooling performance.  For my conversion I chose FF Dynamic's kit, they were a great company to deal with, cleared any questions I had in under 24hrs.Factory Spare Tire Location Delete - Once upon a time I was on a back road.  Got a flat, 2 and a half hours later I got the spare out.  Issue #1 - Not enough room between ground and bumper to get spare out in many offroad situations.  Issue #2 - Rusted/Seized cable lowering system.  So i cut that bad boy off and put my spare in the bed.  In the future i will mod up a real home for it.  NGK Spark Plug Wire - Checked em out one day - corroded badly.  Replaced them and spark plugs.  Noticed immediate improvement in idle.  I changed out the old plugs for new Iridiums.  For anyone with this gen engine you should note that the owner and service manual say that the spark plugs gap is/should be .060, what they dont say is that with iridium spark plugs you should run .040 instead.