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All the work ive put into my 04 Avy

Gear / Vehicle Modifications written by @VegasAvyGuy Chevrolet Avalanche 1500 2004
01.07.2021

I don't have too many pictures at the moment, and I'm not super tech-savvy on this stuff anyways, and the whole truck is ripped apart because I'm still putting the engine back in it and cleaning up the engine bay, but I just wanted to document a list of every mod/ non-oem part I've put on this truck through the years.

(* indicates install work was performed by someone else)

Engine / Under the Hood

-Volant CAI

-Corsa Cat-back

-TSP 220r Cam (220/220, 600/600, 112 lsa)

-TSP LT Headers & ORY

-Rollmaster adjustable timing set (+2 advanced)

-Johnson 2110r Lifters

-TSP trunnion upgrade kit

-Trickflow pushrods

-PRC ported/pollished 243 heads milled .025

-Clevite 77 Rod/Main bearings

-Sealed Power Cam bearings

- all new fel-pro & Mahle gaskets

-Dual E-fans w/ relay harness for factory operation

-Big 3 Wiring upgrade

-B&M trans cooler

-Glens Auto Performance blue silicon upper & lower radiator hoses & heater hoses

-NGK Iridium Spark Plugs

-MSD 8.5mm Superconductor plug wires

-Yank 2800 Stall TC

*-Corvette servo

-Black Bear Autocal Tune (includes downstream O2 sensor delete and e-fan programming)

Suspension & Driveline

*-Fab tech 6" lift

*-35" Cooper Discover STT Pros

-Bilstien 5100s

*-Eaton E-Lockers front and rear (4.56 ratio)

Aesthetic / Driver Comfort

-55 watt canbus HID hi/low beams 35w fogs

-Halo Headlight assemblies

*-20% Suntek ceramic tint w/ 95% full windshield and 20% 4" strip

*-Escalade gauge cluster w/ blue LED backlight, red LED needle, and trans gauge

-Kenwood Excelon deck w/ JL C5 components and JL stealthbox in center console, powered by JL HD1000.5 amp w/ harnesses to maintain steering wheel controls and onstar

-6500k LED puddle lights, DRLs, Reverse Lights, and interior lights. (Except the visor lights. In case I want some 2700k warm light)

-all new nylon flame retardant wire loom

-repainted frame

It's nothing crazy as far as the engine goes, a very mild build. Im guessing I'm getting maybe 320 rwhp? I havent dyno'd it though so that's just a guess, but all that's adding power is the cam, heads, intake and exhaust, so it cant be too crazy a gain from the 270ish stock.

And I know the 2800 stall on a lifted 4x4 with e-lockers is a head-scratcher, but I do only light off-roading, and I wanted it to have more balls from light to light as it is about 6000lbs with the lift and tires.

All in all I've spent about $18k in aftermarket parts. Even with doing a lot of the work myself. But I love my truck. There's not another one like it in Las Vegas.

(Pictures are in random order for some reason.)

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