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When did chevy start using a aluminum block in the 3/4 ton gassers 6.0 instead of the 6.0 iron block?!

I am not talking the Denali 6.0 that was upgraded to the 6.2

Not talking about the 6.6 either

Talking about the 3/4 ton gas 6.0 liter

Being serious, does anyone know??? I thought they were iron block, told a friend that, they said they are aluminum, now I have to do some digging around to find out, LOL

2007 Chevy Tahoe (SOLD)

12 ~ FI Audio X series 10" w/BP option

2 ~ DC Audio 5.0K @0.67

3 ~ DC Audio 5.0K @1.0 

2 ~ PPI 3 way sets (not installed yet)

1 ~ RF T400-4, 1 ~ RF T600-2, 1 ~ RF T600-4

4 ~ CT Sounds 5.25" Strato comps  (rear fill only)

1 ~ XS Power D4800

1 ~ XS Power D3400

8 ~ XS Power XP3000

160 stock alt, Mechman 370 Elite, 185 DC Power

320+ Sq. Ft. Sound Deadener

Pioneer AVH-X5500BHS

Youtube: https://www.youtube.com/user/knfjdkghjudfhsgkjdhf/videos?sort=dd&view=0&shelf_id=0

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When did chevy start using a aluminum block in the 3/4 ton gassers 6.0 instead of the 6.0 iron block?!

I am not talking the Denali 6.0 that was upgraded to the 6.2

Not talking about the 6.6 either

Talking about the 3/4 ton gas 6.0 liter

Being serious, does anyone know??? I thought they were iron block, told a friend that, they said they are aluminum, now I have to do some digging around to find out, LOL

Just go ask on the LS group on Facebook. :peepwall:

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When did chevy start using a aluminum block in the 3/4 ton gassers 6.0 instead of the 6.0 iron block?!

I am not talking the Denali 6.0 that was upgraded to the 6.2

Not talking about the 6.6 either

Talking about the 3/4 ton gas 6.0 liter

Being serious, does anyone know??? I thought they were iron block, told a friend that, they said they are aluminum, now I have to do some digging around to find out, LOL

"The L76 Vortec MAX used in the GMT900's is an aluminum block with a 9.6:1 compression ratio and 367 hp. It uses regular fuel and has cylinder deactivation and is based on the Gen III block.

The LQ9 Vortec Max used in the GMT800's is a cast iron block with a 10:1 compression ratio and 345 hp. It uses premium fuel and is based on the Gen IV block.

The LY6 6.0L used in heavy duty GMT900's is a cast iron block with 9.6:1 compression and 352-353 hp (312 over 10,000 GVW) and is based on the Gen IV block.

The old LQ4 that's in the GMT800 heavy duty models, the H2, and the current G-vans is a Gen III, cast-iron block with 9.6:1 compression that makes 300-325 hp.

And finally, the LS2 (used in the Trailblazer SS) uses a 10.9:1 compression ratio with a Gen IV block to make 395 hp on premium fuel.

Hope this helps.

http://www.media.gm.com/us/powertrai...07/07truck.htm "

the power of the internet and waiting at work for fuckers to get back to me....

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