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 Post subject: Updates on the Avalanche
PostPosted: Sun Apr 21, 2019 10:27 am 
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Location: Citrus Springs, Fl
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Hey guys, long time no see! I figured I'd drop by and show off a few changes to the Avalanche.
I had to do a few planned repairs and one huge unplanned one, but the result is a pretty solid truck.

To start with the original LTZ air suspension was shot and the compressor burned up, I would up buying Moog heavy duty coil springs and Monroe reflexes for the rear. The front struts seemed fine but the truck now had a pretty massive rake due to the rear sitting a little higher than stock, it was also due for tires. I wanted to go a little taller than the factory 275/55/20 and get a more all terrain look so I got a set of Pirelli scorpion all terrain plus tires in a 275/60/20 which gave me a 33 inch tire. I also had the shop install a leveling kit to raise the front 2 inches.

Needless to say I was pretty thrilled with how it looked, then 2 days after I got the tires on something terrible happened. The number one cylinder collapsed one of the lifters, it turns out this is extremely common in displacement on demand motors. Once the shop got it opened up it became apparent that the truck would need a camshaft as well. At that point I decided to have a full delete kit installed removing all DOD components and tuning it out of the computer so it would never have a failure of that sort again.

So now 3 weeks and a big chunk of cash later, here is the truck in all its Glory.

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Last edited by swampthing on Mon Apr 22, 2019 9:02 am, edited 1 time in total.

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PostPosted: Mon Apr 22, 2019 8:54 am 
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Location: Browerville, MN
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PostPosted: Mon Apr 22, 2019 9:03 am 
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Just fixed them I think. Thanks Haro

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2000 ssei gone but not forgotten

Current fleet:
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PostPosted: Mon Apr 22, 2019 2:10 pm 
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DOD delete on all motors!!! :) I'm watching mine on the G8 closely and now that I did the axlebacks, I can clearly hear the annoying on/off of DOD much more now, so it's gonna go. :)

Anyway, to level out the front end, turn up the torsion bars. It's free and easy.

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Retired Bonneville Owner and former GM Tech:
2004 Pontiac Bonneville GXP: Black/Ebony *SOLD*

Summer Toys: Combined 827 RWHP / 877lb/ft RWTQ
2004 Pontiac GTO: Impulse Blue Metallic/Black/M6: lots 'o mods, 415 RWHP / 405lb/ft RWTQ!
2006 Cadillac STS-V: Light Platinum Metallic/Light Gray/A6 - Spectre CAI, Magnaflow exhaust, Speed Inc. tune, 412 RWHP / 472lb/ft RWTQ

Daily Drivers:
2015 Chrysler Town & Country Limited Platinum: Mommy's NEW RGC
2007 Chrysler Town & Country Limited: Daddy's beater affectionately called the Rolling Garbage Can or "RGC" for short
2009 Pontiac G8 GT: L76, Sport Red Metallic
2009 Chevrolet Impala SS: LS4 V8, Victory Red
1999 Chevrolet Suburban: Sunset Gold Metallic - Daddy's winter beater and plow truck


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PostPosted: Mon Apr 22, 2019 2:28 pm 
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Location: Citrus Springs, Fl
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No torsion bars on a 2wd :p just did the level kit on the bottom of the front struts

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2000 ssei gone but not forgotten

Current fleet:
2009 G8 v6, 2009 Avalanche LTZ, 2013 Volt


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PostPosted: Mon Apr 22, 2019 4:04 pm 
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Sorry, didn't realize it's a 2WD.

That's the way my 'Burb sits now (front lifted), as I still have the bars cranked up... To support the weight of the plow.

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Retired Bonneville Owner and former GM Tech:
2004 Pontiac Bonneville GXP: Black/Ebony *SOLD*

Summer Toys: Combined 827 RWHP / 877lb/ft RWTQ
2004 Pontiac GTO: Impulse Blue Metallic/Black/M6: lots 'o mods, 415 RWHP / 405lb/ft RWTQ!
2006 Cadillac STS-V: Light Platinum Metallic/Light Gray/A6 - Spectre CAI, Magnaflow exhaust, Speed Inc. tune, 412 RWHP / 472lb/ft RWTQ

Daily Drivers:
2015 Chrysler Town & Country Limited Platinum: Mommy's NEW RGC
2007 Chrysler Town & Country Limited: Daddy's beater affectionately called the Rolling Garbage Can or "RGC" for short
2009 Pontiac G8 GT: L76, Sport Red Metallic
2009 Chevrolet Impala SS: LS4 V8, Victory Red
1999 Chevrolet Suburban: Sunset Gold Metallic - Daddy's winter beater and plow truck


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PostPosted: Thu May 02, 2019 8:35 pm 
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Nice!!!

Never really completely understood the logic used to stop production of the Avalanche. Looked to me like Honda copied the Avalanche and called it reinventing the truck. - BC

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PostPosted: Tue May 14, 2019 11:43 pm 
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CMNTMXR57 wrote:
Sorry, didn't realize it's a 2WD.

That's the way my 'Burb sits now (front lifted), as I still have the bars cranked up... To support the weight of the plow.

Torsion bars stopped in '07 Classic. All the GMT900 and K2Y (and whatever the hell they call the new ones) had front strut setups, 2 or 4wd.

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