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Old Jan 17, 2009 | 08:37 PM
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Why do I always see corvettes with twin turbo packages? Is it possible to set up a c6 with just a single turbo? SCs are not that appealing to me because of the whine and expense.

I got to thinking about this today after seeing a couple of Pontiacs at the track running single turbos and they paid about 1/3 of the cost of a twin turbo set up for a corvette. They were running in the 11s
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Old Jan 17, 2009 | 08:49 PM
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Not a lot of room for a single turbo in the Corvette engine bay. Routing the piping is an issue as well. Not a lot of room for twin turbos either.

San
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Old Jan 17, 2009 | 09:08 PM
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you know if you post it in the fi/nitrous board it will get many more responses. but you don't need a turbo just to run in the 11's
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Old Jan 17, 2009 | 10:22 PM
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Originally Posted by lockman
you know if you post it in the fi/nitrous board it will get many more responses. but you don't need a turbo just to run in the 11's
I understand. Just looking for the most bang for the buck.

Will post in the FI section. Thanks
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Old Jan 18, 2009 | 09:47 AM
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Roots whine, centris are pretty quiet at boost
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Old Jan 18, 2009 | 01:00 PM
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I know a guy that removed his centrifugal charger and built his own single turbo system. He mounted it between the radiator and the front of the engine. At the same 8 psi, the single turbo made 35 more horsepower and made the full 8 psi of boost starting at 2800 rpm.
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Old Jan 18, 2009 | 08:19 PM
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Originally Posted by 2000C-5
I know a guy that removed his centrifugal charger and built his own single turbo system. He mounted it between the radiator and the front of the engine. At the same 8 psi, the single turbo made 35 more horsepower and made the full 8 psi of boost starting at 2800 rpm.
but of coarse! you're not driving the turbo with a belt, on a TOP FUEL DRAGSTER it takes about 3000hp to drive the blower
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Old Jan 20, 2009 | 05:19 PM
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Originally Posted by CMY SIX
but of coarse! you're not driving the turbo with a belt, on a TOP FUEL DRAGSTER it takes about 3000hp to drive the blower
You need to check your facts, because you aren't even in the ballpark. It only takes about 400 hp to drive the blower on a TF car.
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Old Jan 20, 2009 | 05:27 PM
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Originally Posted by gunnerrun
Why do I always see corvettes with twin turbo packages? Is it possible to set up a c6 with just a single turbo? SCs are not that appealing to me because of the whine and expense.
I got to thinking about this today after seeing a couple of Pontiacs at the track running single turbos and they paid about 1/3 of the cost of a twin turbo set up for a corvette. They were running in the 11s
If the cost of a supercharger is a problem for you, you are in for a real surprize when you see what it costs to do a turbo kit right on a Corvette

The reason you almost always see Corvettes, and V8 engines in general with twin turbos is because they are easier to package and more efficient. That said there have been numerous C5s with single turbos and a few C6s. It is entirely doable.
You of course don't need any kind of FI to run 11s; plenty of bolt on cars are doing that.
And you may want to take a better look at superchargers... The SQ (Super Quiet) line of Vortech blowers is CARB certified for emissions legality in al 50 states and makes almost no noise at all. They are cheaper than any turbo kit, but a good margin...
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Old Jan 20, 2009 | 05:40 PM
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Originally Posted by PowerLabs
If the cost of a supercharger is a problem for you, you are in for a real surprize when you see what it costs to do a turbo kit right on a Corvette

The reason you almost always see Corvettes, and V8 engines in general with twin turbos is because they are easier to package and more efficient. That said there have been numerous C5s with single turbos and a few C6s. It is entirely doable.
You of course don't need any kind of FI to run 11s; plenty of bolt on cars are doing that.
And you may want to take a better look at superchargers... The SQ (Super Quiet) line of Vortech blowers is CARB certified for emissions legality in al 50 states and makes almost no noise at all. They are cheaper than any turbo kit, but a good margin...
Just trying to get educated. Caddy tastes and Ford bank account but I hear you loud and clear.
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Old Jan 20, 2009 | 05:42 PM
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Originally Posted by gunnerrun
Why do I always see corvettes with twin turbo packages? Is it possible to set up a c6 with just a single turbo? SCs are not that appealing to me because of the whine and expense.

I got to thinking about this today after seeing a couple of Pontiacs at the track running single turbos and they paid about 1/3 of the cost of a twin turbo set up for a corvette. They were running in the 11s
The turbos in a twin turbo application for the C6 are usually smaller in size individually then a single turbo application which in most cases provides quicker throttle response and less turbo lag as well as better low end torque since they spool faster.
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