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GM hybrid gas/electic trucks...

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Old 08-10-2011, 02:53 PM
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Default GM hybrid gas/electic trucks...

Anyone have any experience with the hybrid's they made a couple years ago. Looks like they started making them in 09. Always thinking out side the box...

Any one have one? Mod it??
Old 08-10-2011, 03:54 PM
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The NNBS hybrids? What do you want to know?
Old 08-10-2011, 03:58 PM
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I wouldn't waste my time with those production hybrids. Better get this guy to modify your truck...you won't regret it.

Video: Homebuilt Steaurus 2000 is a Blue Oval the likes of which we've never seen
Old 08-10-2011, 10:07 PM
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And while your at it, talk to his barber....
Old 08-11-2011, 07:25 PM
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Just wondering if anyone has driven one? What were your impressions? How well did it work? Would it benefit from a turbo??
Old 08-11-2011, 08:10 PM
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Originally Posted by kbracing96
Just wondering if anyone has driven one? What were your impressions? How well did it work? Would it benefit from a turbo??
Yes. I'm GM certified to work on them.

They are different. They drive different. They are a lot smoother for the most part than a standard ICE vehicle.

For what its design is, it works fairly well.

It would not benefit from a turbo. By design the ICE drives the front drive motor/generator assembly to produce electricity while the rear drive motor/generator assembly drives the prop shafts to move the vehicle. There are 4 possible mechanical forward gears but they are rarely used.
Old 08-12-2011, 09:22 AM
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Originally Posted by bullygoat
Yes. I'm GM certified to work on them.

They are different. They drive different. They are a lot smoother for the most part than a standard ICE vehicle.

For what its design is, it works fairly well.

It would not benefit from a turbo. By design the ICE drives the front drive motor/generator assembly to produce electricity while the rear drive motor/generator assembly drives the prop shafts to move the vehicle. There are 4 possible mechanical forward gears but they are rarely used.
Is there a point where the ICE bypasses and the motor/generators in the transmission for big power demanded, or does it always go though the gas to electric conversion like a train? How strong is the transmission in these trucks? Do they break or fail a lot?
Old 08-12-2011, 09:47 AM
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There is a time when the ICE does direct drive the rearend. I wouldn't want to put anymore power through them than they have now. They weren't designed for big power. Towing capacity is only 6,000lbs. The trans is a 2ML70. How well are the 4L70s holding up to big power?

Attached Thumbnails GM hybrid gas/electic trucks...-2ml70-internals.gif  
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