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Generation V G.M. small block

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Generation V G.M. small block

Post  Avanti 63r1025 on Wed Oct 24, 2012 8:40 pm

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Re: Generation V G.M. small block

Post  Sorta05 on Wed Oct 24, 2012 10:34 pm

Damn you GM for making my LS7 a boat anchor!!!
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Re: Generation V G.M. small block

Post  Simcik on Wed Oct 24, 2012 11:43 pm

Since when is Direct Injection a unique combustion system?

And active fuel management? They've had that before...

Eh, to me, this is all just marketing. Same as Ford's recent non-SAE certified tow ratings...

I'm going to reserve judgement til this thing hits the street...
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Re: Generation V G.M. small block

Post  Avanti 63r1025 on Thu Oct 25, 2012 12:44 am

Here it is on an engine dyno.
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Re: Generation V G.M. small block

Post  Sorta05 on Thu Oct 25, 2012 6:23 pm

Simcik wrote:Since when is Direct Injection a unique combustion system?

And active fuel management? They've had that before...

Eh, to me, this is all just marketing. Same as Ford's recent non-SAE certified tow ratings...

I'm going to reserve judgement til this thing hits the street...

One thing is for sure it's no Hemi Sim.
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Re: Generation V G.M. small block

Post  Smus on Sat Oct 27, 2012 3:14 pm

What I think of when I heard it was an LT1...




They couldn't have called it the LX1...or LR1...noooo. had to go LT1...

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Re: Generation V G.M. small block

Post  Avanti 63r1025 on Sun Oct 28, 2012 2:25 am

Of course, Smus, gear heads older than us will think of these

… when we say LT1.

I see where you're coming from though. My step-mom had a '92 LT1 Vette. That thing was fun; yellow with the smoked black transparent targa roof. The only reason my dad and step-mom didn't go for a '92 ZR-1 was because my dad would've had to open the door each time he'd want to let the clutch out (to give his knee some viable place to go). He's 6'1" but the way the frame intruded below the door, and the transmission narrowing the footwell further, it wasn't going to work so an automatic equipped LT1 it was.
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Re: Generation V G.M. small block

Post  Avanti 63r1025 on Tue Dec 18, 2012 5:42 am

More information here and here.
Contained in the article is a link to videos but maximize your screen for them because they're not worth a damn otherwise. I like the video of the engine on the tilt stand.
Chevrolet gets to lay claim to pioneering variable valve timing on a pushrod engine.
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Re: Generation V G.M. small block

Post  TuxTshirt on Tue Dec 18, 2012 12:31 pm

Avanti 63r1025 wrote:More information here and here.
Contained in the article is a link to videos but maximize your screen for them because they're not worth a damn otherwise. I like the video of the engine on the tilt stand.
Chevrolet gets to lay claim to pioneering variable valve timing on a pushrod engine.

Except the Hemi has had it since 08-09

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Re: Generation V G.M. small block

Post  Sorta05 on Tue Dec 18, 2012 12:46 pm

This is not the first engine GM has made with VVT on an OHV engine. Pretty sure the LS3 had it as well.
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Re: Generation V G.M. small block

Post  Sorta05 on Tue Dec 18, 2012 12:57 pm

This is from Wiki and claims GM was the first to use VVT on a OHV engine, however the VVT tech didn't make it into the LS3.

L92

The 2007 Cadillac Escalade has a 6.2 L Vortec 6200 (RPO L92) (≈379 cu in) engine. It is an all-aluminum design which, while still a pushrod engine, boasts variable valve timing, a first in a mass-produced non-overhead cam V8 engine. The system adjusts both intake and exhaust timing between two settings. This engine produces 403 hp (301 kW) and 417 lb·ft (565 N·m) in the GMC Yukon Denali/XL Denali, Sierra SLT, and in the GMC Sierra Denali, and rated at 403 hp (301 kW) and 415 lb·ft (563 N·m) (441 hp with 93 octane[clarification needed] export version) in the Hummer and in the Cadillac Escalade. It is also available in the Chevrolet Silverado and Tahoe LTZ, with power ratings of 403 hp (301 kW) and 417 lb·ft (565 N·m) .
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Re: Generation V G.M. small block

Post  TuxTshirt on Tue Dec 18, 2012 1:21 pm

Interesting. So they could have claimed that back in 07 right?

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Re: Generation V G.M. small block

Post  Simcik on Tue Dec 18, 2012 4:40 pm

Eh, still not sold. This is all old technology - even for GM - combine this lackluster performance with their new truck debacle, and GM will be dead again. Glad to see that our tax dollars were put to good use! *bangs head*
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Re: Generation V G.M. small block

Post  TuxTshirt on Tue Dec 18, 2012 5:18 pm

Simcik wrote:Eh, still not sold. This is all old technology - even for GM - combine this lackluster performance with their new truck debacle, and GM will be dead again. Glad to see that our tax dollars were put to good use! *bangs head*

Heeeyyyy, but they paid all that back you jerk! *sarcasm (no they didn't, we the people still own about 30 billion worth of stock worth about 9 billion)

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Re: Generation V G.M. small block

Post  Sorta05 on Tue Dec 18, 2012 6:58 pm

I agree that the government should not have bailed out GM. They should have filed for bankruptcy and sold off GMC, saturn, and hummer, and kept pontiac. GM would be just as well off if not better. I don't understand why you think GM isn't doing well though. I have not driven or seen the new truck in person so I'm not going to pass judgement until I do. Plus they haven't released the most important specs, i.e. mpg, tq/hp, and towing. Beauty is in the eye of the beholder so I hope that's not all you are rating the new trucks success on.
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