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Old 01-15-2011, 03:27 PM   #1
mpate16
 
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Question about LS3 engine

Why is it the Manual SS engine is 426 Hp and the corvette is 430? I know it's not a big diff but if they are the same engine , why less for camaro
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Old 01-15-2011, 03:33 PM   #2
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Different airflow. Just like the V6 camaro having more HP than the cadillac even though its the same engine.
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Old 01-15-2011, 03:33 PM   #3
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Nah, so close it must be a marketing thing. The corvette had to be better. Notice how torque and hp peak at exact same place. The engines are almost identical.

SS
Torque: 420 ft-lbs. @ 4600 rpm
Horsepower: 426 hp @ 5900 rpm

Corvette
Torque: 424 ft-lbs. @ 4600 rpm
Horsepower: 430 hp @ 5900 rpm
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Old 01-15-2011, 05:42 PM   #4
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Exhaust system differences and Corvette marketing.
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Old 01-15-2011, 05:51 PM   #5
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Quote:
Originally Posted by SSLarry View Post
Nah, so close it must be a marketing thing. The corvette had to be better. Notice how torque and hp peak at exact same place. The engines are almost identical.

SS
Torque: 420 ft-lbs. @ 4600 rpm
Horsepower: 426 hp @ 5900 rpm

Corvette
Torque: 424 ft-lbs. @ 4600 rpm
Horsepower: 430 hp @ 5900 rpm
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Exhaust system differences and Corvette marketing.
It has very little to do with Corvette marketing. But rather Corvette engineering.

The people on the Corvette team did an amazing job at optimizing airflow for the car. And so it's slightly more efficient than the Camaro (because that team did a great job, too. )

It's nice to think that 4 hp/tq is the amount that would make a difference in marketing...but this time...it's all about airflow.
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Old 01-15-2011, 07:22 PM   #6
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It has very little to do with Corvette marketing. But rather Corvette engineering.

The people on the Corvette team did an amazing job at optimizing airflow for the car. And so it's slightly more efficient than the Camaro (because that team did a great job, too. )

It's nice to think that 4 hp/tq is the amount that would make a difference in marketing...but this time...it's all about airflow.

I think its airflow from the marketers' mouths. Vette sales have been slipping last few years.

http://www.corvetteblogger.com/2010/...orvette-sales/
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Old 01-15-2011, 07:30 PM   #7
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well i was just curious.... do you guys think a auto 2011 ss camaro could take a 2008 base vette?
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Old 01-15-2011, 07:32 PM   #8
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I'd be willing to bet they have a different engine tune aswell.

Either way, the Hp is what ever GM says it is.
Then you take the car to a dyno and learn the truth (Whp).
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Old 01-15-2011, 07:39 PM   #9
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well i was just curious.... do you guys think a auto 2011 ss camaro could take a 2008 base vette?
How? The Camaro is a pig compared to the Vette, and has a higher drag coefficient.

Vette costs a lot more though
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Old 01-15-2011, 07:40 PM   #10
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well i was just curious.... do you guys think a auto 2011 ss camaro could take a 2008 base vette?
No i don't. The Vette is about 1,000lbs lighter. Won't even be close.
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Old 01-15-2011, 07:42 PM   #11
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oh ok... my neighbor has a 08 vette, was just wondering if it would be close
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Old 01-15-2011, 08:44 PM   #12
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some R&T hard numbers here:

$49900 Corvette Coupe 1LT
2-Door Rear Wheel Drive Car, 430 bhp, 424 lb-ft, 6-sp Manual, 16/26 mpg
2 passengers, 3200 lb, 6.2-liter, 8-cylinder engine, 7.5 lb/bhp <<<<<


$31795 Camaro Coupe 1SS
2-Door Rear Wheel Drive Car, 426 bhp, 420 lb-ft, 6-sp Manual, 16/24 mpg
4 passengers, 3850 lb, 6.2-liter, 8-cylinder engine, 9.1 lb/bhp <<<<<
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Last edited by SSLarry; 01-15-2011 at 08:59 PM.
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Old 01-15-2011, 08:47 PM   #13
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lol marketing......


It's the exhaust. We've been over this numerous times.
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Old 01-15-2011, 09:23 PM   #14
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Regardless of exhaust flow, intake design, etc., GM will NEVER advertise the Camaro with more horsepower than the Corvette. With that said, nothing in the GM lineup will ever have more horsepower than the ZR1 Corvette.
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