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Old 10-24-2012, 01:28 PM   #1
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OFFICIAL: GM GenV Announcement & Platform Specifications

As some of you might know, the details to GMs new GenV V8 platform have been released.

So all the rumors can be put to rest finally and I no longer get to churn in angst when I hear you guys speculating about the new GenV engine.
I've known of these details for a couple months now but was sworn to secrecy for obvious reasons. If you guys haven't caught the details yet, there is a link below.

It's been named the LT-1 (sound familiar?).

LT-1 6.2L V8 featuring:
  • All Aluminum
  • 450hp/450tq with a broader torque band below 4,000.
  • 11.5:1 compression ratio due to a redesigned combustion chamber
  • Direct Fuel Injection
  • Variable Valve Timing (we finally get v-tec!)
  • Active fuel management
  • New head design using rectangular ports (this should be fun for all you cathedral lovers and rectangle deniers) with switched intake/exhaust valve locations.
  • New intake manifold design with plenum redesign
  • Dry sump oiling system with a cam driven oil pump
  • New electronics (i'll let you guys read about it)

Here's the link: http://media.gm.com/media/us/en/gm/n...mallBlock.html

This should be fun to see where this design takes the aftermarket companies and who takes the lead on designing some serious horsepower with this new design!

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Old 10-24-2012, 07:42 PM   #2
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"A fairy tale starts out once upon a time, a fishermen's tale starts out with: This is no bullsh*t." Capt Phil Harris

2004 Ghost White/Red M6
1 0F 1
Mods to date:
K&N CAI, SLP MAF Sensor, 3in SW Catback w/chambered muffs, BAER 13in brakes front & rear, TB Coolant Bypass, 160 degree thermostat, Royal Purple motor, trans, & rearend oil, black tails
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Old 10-25-2012, 11:00 AM   #3
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Robofuzz, Rabs, and I were discussing this yesterday. It is a very exciting motor. It sounds great and I am really interested to see what direct injection does for it.
2010 Mazdaspeed 3 Tech

Stratified S-OTS Stg2 93
JBR Power Path Stage 3
Autotech HPFP Internals
Sure Short Shift Plate
ABT Slotted Rotors
Cobb 3" Downpipe
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Old 10-30-2012, 03:34 PM   #4
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From what I understand, direct injection is where they are getting the majority of the power increase while keeping fuel economy. They run RIDICULOUSLY high fuel pressures though. Will be very interested to see how the aftermarket performance companies deal with this.
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