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  #11  
Old 03-11-2009, 04:33 PM
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Is the L76 basically the LS2, but a truck version? Frank, do you have any pics of the L76. I know you have a good deal on them. I'm just trying to figure out the cost though. $3800 is around 5K Canadian right now. Then I still have to get an new intake, cam and whatever else I would need. I can get the LS376/480HP for $7150 Canadian. What would it take to make the L76 a 500+ hp motor?
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Pro Touring 68 Acadian(Nova)
Speedtech subframe with high clearance control arms
Prodigy Bar rear suspension
Ridetech single adjustable coilovers
Wilwood 12.2" brakes
New Gen Splitters
LS3 and TKO600

Link to my build: https://lateral-g.net/forums/showthread.php4?t=14349

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  #12  
Old 03-12-2009, 08:44 AM
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Diognes56 Diognes56 is offline
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Not a truck motor really, though it is kind of being used in the newer Silverados. I am sure those have the truck L92 intake though. From wikipedia:

Quote:
L76
See also the Vortec 6000 L76
L76 was originally Holden's version of the 6.0 L (5,967 cc/364.1 cu in) Generation IV engine. While displacement on demand technology was disabled on Holdens, this feature is enabled on the 2008 Pontiac G8 GT and subsequently re fitted in the 2009 model Holdens with AFM enabled, but only on models fitted with the 6L80 Automatic Transmission. The engine also meets Euro III emissions requirements. Output is 348 hp (260 kW) at 5600 rpm and 376 ft·lbf (510 N·m) at 4400 rpm for the Holden variant, and 361 hp (269.8 kW) and 385 ft·lbf of torque (526.5 N·m) for the G8 GT.[3]

Applications:

2006 Holden VZ Commodore
2008-2009 Pontiac G8 GT
2009 Holden VE Commodore
2009 Holden WM Statesman / Holden WM Caprice
2009 Holden VE UTE
About the Vortec L76:

Quote:
See also the automotive L76
The Vortec 6000 L76 is a Generation IV aluminum small block V8 truck engine and features variable cam phasing, along with Active Fuel Management. It can be considered the replacement for the Generation III LQ9 engine. It produces 367 hp (265 kW) at 5400 rpm and 375 ft·lb (495 N·m) at 4400 rpm. Production started in late 2006.

L76 applications:

2007-present Chevrolet Suburban
2007-present Chevrolet Avalanche
2007-present Chevrolet Silverado
2007-present GMC Sierra
2007-present GMC Yukon XL
If you got a L76 you would not need a new intake, unless you wanted one. The AFM disabled L76 is basically a 6.0L version of the LS3 (6.2L). I am not sure of specs on the cam or valve spring rates.

David

Last edited by Diognes56; 03-12-2009 at 08:47 AM.
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  #13  
Old 03-12-2009, 09:13 AM
ProdigyCustoms ProdigyCustoms is offline
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Mike, Your getting a pretty good deal on the LS3 for $7100 your dollars, they cost almost that much here. You would end up with the same money in the L76 in the end because of the great price your getting on the LS3. I thought you were running a 4 barrel intake though. If so, the truck intake is no probelm, it is going away anyway.
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  #14  
Old 03-12-2009, 11:30 AM
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Frank, my original plan was to go with a 427 SBC, but then the more I've read about it and with what I'm doing with my build, I thought I would rather go with a fuel injected LS. I really like the idea of getting 500hp plus decent gas mileage. Right now we're paying 95 cents a liter for 87 octane. It's ridiculous here. The 427 I was going to build was going to end up costing me close to 15K so I think the cost of getting the LS3, the pulleys and harness isn't that bad. I was pretty surprised when I found the LS3 for $7100, it's only a 3 hour drive for me to get it so not bad at all. I called the GM dealers locally and they want $7600. May be a short road trip in near future
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Mike

Pro Touring 68 Acadian(Nova)
Speedtech subframe with high clearance control arms
Prodigy Bar rear suspension
Ridetech single adjustable coilovers
Wilwood 12.2" brakes
New Gen Splitters
LS3 and TKO600

Link to my build: https://lateral-g.net/forums/showthread.php4?t=14349

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  #15  
Old 03-12-2009, 04:01 PM
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So after all that, I go an get the mail today and the latest popular hot rodding is in there. There was an article about the LSX376. GM claims they will be releasing it fairly soon and it will be $7K. Think I'm going to hold off and get that one. I would be way happier with it. Thanks to everyone for their input on this thread.
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Mike

Pro Touring 68 Acadian(Nova)
Speedtech subframe with high clearance control arms
Prodigy Bar rear suspension
Ridetech single adjustable coilovers
Wilwood 12.2" brakes
New Gen Splitters
LS3 and TKO600

Link to my build: https://lateral-g.net/forums/showthread.php4?t=14349

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