Old 06-18-2008, 10:38 AM   #1
Gripenfelter
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Why not a turbo V6?

I've been joking around for a while now about a "Maximum Bob" turbo V6 but I think with the current gas prices a turbo V6 could actually attract a lot of buyers.

Base 300 hp DI V6 and a 400+ hp turbo V6.
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Old 06-18-2008, 12:47 PM   #2
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I'd buy it.
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Old 06-18-2008, 12:52 PM   #3
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I already own a turbo V6. Love it. The turbo V6 F-body has been done ('89 Turbo TA), and was/is awesome. GM should do it again!

Having said that, a naturally aspirated V8 must be on the option list.
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Old 06-18-2008, 02:18 PM   #4
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Given the choice between a 400hp turbo 6 and a 400 hp NA V8, I'll take the turbo 6, it will be faster and get better mileage(not much but maybe 1-2) and be easy to mod granted it isn't made out of glass. Not to mention it will probably be lighter, again not by much but 100lb's is possible.
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Old 06-18-2008, 02:45 PM   #5
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I have two Turbo6 F-Bodies (89 Turbo T/A and a 92 Z28 I converted) you know I'd be all over it.
A GM ad with a GN fading into a 5th gen with the tag line like "We did it again..." would be great!
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Old 06-18-2008, 05:02 PM   #6
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Old 06-23-2008, 02:13 PM   #7
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turbo cars don't really get any better mpg then there couterpart NA V8 cars.
Therefore I can't see a reason for GM to do it.
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Old 06-23-2008, 02:33 PM   #8
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Quote:
Originally Posted by STOCK1SC View Post
Given the choice between a 400hp turbo 6 and a 400 hp NA V8, I'll take the turbo 6, it will be faster
Why would it be faster?
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Old 06-23-2008, 02:41 PM   #9
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Why would it be faster?
Because of the blow off valve noise.
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Old 06-23-2008, 07:25 PM   #10
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Why would it be faster?
I don’t think it will be meaningfully lighter (or heavier), although the weight should be a little farther back.

But the modern Turbo, DI, VVT engines (LNF and the 6 in the 335) have flatter torque curves than anything I’ve ever seen attributed to a NA V8.
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Old 06-24-2008, 07:29 AM   #11
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Why would it be faster?
More torque than a NA V8 can make. GN's made more torque with 3.8l than Corvette's did with 5.7l.
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Old 06-24-2008, 03:37 PM   #12
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turbo cars don't really get any better mpg then there couterpart NA V8 cars.
Therefore I can't see a reason for GM to do it.
Sky Redline (2.0 with DI and a turbo): 19/28 MPG & 260hp
Base Sky (2.4 NA with port injection): 19/25 MPG & 173hp

I can only assume that a Sky with a LY7 (3.6 port injection V6) would get worse mileage than either of the fours do to parasitic losses.

I think that a twin turbo V6 Camaro could actually return better mileage than the base (NA) V6.
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Old 06-24-2008, 08:29 PM   #13
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Why would it need to be a twin turbo? The Grand Nationals did'nt seem to need more than one 20 years ago to beat up on most other cars on the road.
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Old 06-25-2008, 03:19 PM   #14
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Why would it need to be a twin turbo? The Grand Nationals did'nt seem to need more than one 20 years ago to beat up on most other cars on the road.
It wouldn't need to have two turbos but two small turbos would spool-up faster than one bigger one. That probably wouldn't matter to the drag guys, but I want a daily driver.
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Old 06-25-2008, 03:28 PM   #15
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Originally Posted by Grape Ape View Post
Sky Redline (2.0 with DI and a turbo): 19/28 MPG & 260hp
Base Sky (2.4 NA with port injection): 19/25 MPG & 173hp

I can only assume that a Sky with a LY7 (3.6 port injection V6) would get worse mileage than either of the fours do to parasitic losses.

I think that a twin turbo V6 Camaro could actually return better mileage than the base (NA) V6.
Assuming the base NA V6 is the Direct Injected one....would it? Problem is, GM doesn't have a NA Direct Injected I-4 from which to judge.

I guess my question is, does a modest (OEM) Turbocharger always increase fuel economy?
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