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You are here: MacNN Forums > Community > MacNN Lounge > Nevermind gas prices, my friend's Twin-Turbo Corvette

Nevermind gas prices, my friend's Twin-Turbo Corvette
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IceEnclosure
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Jul 6, 2008, 07:22 PM
 
Some of you may remember the videos and pics I've posted before of my friend's Vette. It was previously supercharged and intercooled, this on top of a stoutly built stroker motor. He has since ditched the huffer for something a little more intense.
When I took these a few days ago, he was just buttoning it up, he has since put it all back together. Capable of 4-digit horsepower numbers, he'll be tuning it to be in the neighborhood of 700 horsepower. This is a street car with a 6-speed manual. Full coilover race suspension and 18" 3-piece Fikse wheels. 295 width tire up front, 345 tire width in the rear on a 12"(13" maybe) wide rim.

He's currently tuning it and getting the bugs out. This thing's gonna be insane.



ice
     
sek929
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Jul 6, 2008, 07:31 PM
 
Sick.

Those turbos look like they mean business...
     
imitchellg5
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Jul 6, 2008, 08:35 PM
 
Awesome. Is it a C5 or C6? I've got a buddy with a "lightly tuned" '06 C6 pulling out 580 hp at the rear wheels. Corvettes are ridiculously easy to get huge hp numbers out of.
     
vmarks
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Jul 6, 2008, 08:48 PM
 
You know, the gas prices really hit home when I heard two good ole boys at the hardware store (ok, it was northern hydraulic) talking, and one of them was telling the other about a big block Camaro that a buddy was fixing up. And the second fella said "how can he afford to gas it up?"
     
IceEnclosure  (op)
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Jul 6, 2008, 08:55 PM
 
C5 FRC (fixed roof coupe, same lighter-weight body style used for the C5 Z06)

He also has the Z06 vents installed on his car:
ice
     
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Jul 6, 2008, 09:36 PM
 

     
IceEnclosure  (op)
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Jul 6, 2008, 09:44 PM
 
3 inches? Heh, I got you beat by a LONG shot!

Oh and dude's a master mechanic working for GM/Cadillac installing turbos on BRAND NEW WARRANTIED STS Caddys and such. What better way to have fun and practice your craft.

Good one.
ice
     
greenamp
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Jul 7, 2008, 07:57 PM
 
Nice. What's his 1/4 time?
     
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Jul 7, 2008, 08:52 PM
 
     
xi_hyperon
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Jul 7, 2008, 09:00 PM
 
Get that monster dyno'd, and record it. Would be cool to see those turbos glowing.
     
vmarks
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Jul 7, 2008, 09:39 PM
 
Show us the Cadillacs!
     
Laminar
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Jul 7, 2008, 10:36 PM
 
Originally Posted by ratm View Post

swg?
     
IceEnclosure  (op)
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Jul 8, 2008, 12:07 AM
 
Originally Posted by greenamp View Post
Nice. What's his 1/4 time?

Besides the car being barely completed, it hasn't been tuned or dyno'd, but when it's ready, with good sticky street tires(drag radials, etc) somewhere in the 10's wouldn't be out of the question. The trap speed will be outrageous, it could easily be upwards of 140mph.

Now say you ditched the IRS for a solid rear axle and slicks - easily 9 second quarter miles times.
ice
     
IceEnclosure  (op)
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Jul 8, 2008, 12:18 AM
 
Originally Posted by vmarks View Post
Show us the Cadillacs!
I've got some pics somewhere of them, lemme see..
ice
     
Shaddim
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Jul 8, 2008, 01:03 AM
 
Originally Posted by IceEnclosure View Post
Now say you ditched the IRS for a solid rear axle and slicks - easily 9 second quarter miles times.
but then it would ride like a log sled. Sometimes you just have to bow to comfort.
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ElRae
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Jul 8, 2008, 02:01 AM
 
Pretty cool for a midlife crisis.
     
Randman
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Jul 8, 2008, 02:13 AM
 
How much MPG?



This is a computer-generated message and needs no signature.
     
Shaddim
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Jul 8, 2008, 02:47 AM
 
You mean GPM?
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PaperNotes
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Jul 8, 2008, 03:41 AM
 
I would drive that beast through a dirty green communist's house
( Last edited by PaperNotes; Jan 9, 2018 at 06:45 AM. )
     
ajprice
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Jul 8, 2008, 06:27 AM
 
Originally Posted by shaddim View Post
you mean gpm?
gpy?

It'll be much easier if you just comply.
     
IceEnclosure  (op)
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Jul 8, 2008, 02:15 PM
 
Originally Posted by ElRae View Post
Pretty cool for a midlife crisis.
The dude is 27 years old.
ice
     
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Jul 8, 2008, 02:32 PM
 
i think i still have the video of that thing loping at idle. nice to see he's stuck with it.
     
olePigeon
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Jul 8, 2008, 03:17 PM
 
Put some spinners and gold 40" rims, yo.
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IceEnclosure  (op)
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Jul 8, 2008, 03:18 PM
 
I threw this together a while back, when it was supercharged:
http://www.frequencyequalsbass.com/drew_files/storm.mp4

and before it was supercharged:
(alongside his cousin's Z06)
http://www.frequencyequalsbass.com/d...06_and_FRC.mp4
ice
     
IceEnclosure  (op)
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Jul 8, 2008, 03:28 PM
 
Buttoned back up:
ice
     
d4nth3m4n
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Jul 8, 2008, 04:50 PM
 
the OCD side of me really wishes they made both left and right handed turbos when i see setups like that.
     
moep
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Jul 8, 2008, 06:52 PM
 
As an european, the only sensible comment I can come up with is "all that money wasted on something like a corvette. "
( Last edited by moep; Aug 3, 2008 at 06:15 AM. )
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olePigeon
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Jul 8, 2008, 07:47 PM
 
Why did he coffeecan his exhaust? I hate that. Reminds me of ricers.
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olePigeon
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Jul 8, 2008, 07:48 PM
 
Originally Posted by moep View Post
As a european the only sensible comment I can come up with is "all that money wasted on something like a corvette. "
As an American, the only sensible retort is, "At least it's not a Camaro."
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IceEnclosure  (op)
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Jul 9, 2008, 12:24 AM
 
Originally Posted by moep View Post
As a european the only sensible comment I can come up with is "all that money wasted on something like a corvette. "
He is a mechanic for General Motors, this is his trade.

Corvettes are FAST at the 'ring, and their motors are bulletproof. Also their C5R and C6R racecars(based on their road cars) are legendary.

Why so sad?
ice
     
IceEnclosure  (op)
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Jul 9, 2008, 12:29 AM
 
Originally Posted by olePigeon View Post
Why did he coffeecan his exhaust? I hate that. Reminds me of ricers.
coffeecan? In the original post, his exhaust is well under the car, the mufflers and associated piping are not installed yet. Also the entire exhaust is wrapped in black heat wrap stuff, hundreds of feet of it.

In the videos, both cars have standard 'vette type exhausts, albeit with nary a restriction from the headers back. If you're referring to the blue car with 700HP, those are Borla tips from his Borla exhaust, stainless, fast, non-rice.

ice
     
IceEnclosure  (op)
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Jul 9, 2008, 12:35 AM
 
Originally Posted by olePigeon View Post
As an American, the only sensible retort is, "At least it's not a Camaro."
heh, my brother's camaro:

Lives it's life as a 330RWHP automatic-equipped grocery getter pulling 21 MPG via a custom tune. If it feels the need, it leaves you behind with 440RWHP. This video is three years old and the car still does the same thing today.
http://www.frequencyequalsbass.com/d...s/bro_DYNO.mov

whatever so their interiors and plastics and leathers and door hinges are all crap
ice
     
sek929
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Jul 9, 2008, 07:56 PM
 
560 ft/lbs of torque?

Jesum!
     
IceEnclosure  (op)
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Jul 9, 2008, 08:45 PM
 
Originally Posted by sek929 View Post
560 ft/lbs of torque?

Jesum!
a properly tuned nitrous motor can be a good friend.
ice
     
IceEnclosure  (op)
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Aug 3, 2008, 04:42 AM
 
He pulled up at my house today in it!

I'll be putting together some video footage of it in the next week or so..










( Last edited by IceEnclosure; Aug 3, 2008 at 04:50 AM. )
ice
     
Laminar
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Aug 3, 2008, 02:39 PM
 
Sick.
     
zombie punk
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Aug 3, 2008, 03:31 PM
 
Originally Posted by vmarks View Post
You know, the gas prices really hit home when I heard two good ole boys at the hardware store (ok, it was northern hydraulic) talking, and one of them was telling the other about a big block Camaro that a buddy was fixing up. And the second fella said "how can he afford to gas it up?"
I presume that people who can afford these kinds of cars don't really have a problem with the price of gas - I mean, if that's your hobby, what proportion of your total hobby car related spending annually is gas?
     
hwojtek
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Aug 4, 2008, 07:44 AM
 
A simple relocation of both intake filters would help for another 50-70 hp. They're right in the heat stream from above the IC and radiator.
Wojtek

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IceEnclosure  (op)
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Aug 4, 2008, 08:13 AM
 
from the owner:

"The ducts seem to working well. The other day I was driving in the morning to work...and I saw 81 degrees as my intake air temp, after driving for about 8 minutes(I live close to work now). On saturday, in the 5 o'clock heat of the day(summer in Miami), I saw 111 degrees as my highest intake air temp with about 20 minutes of driving and consistent stops. So, i'd say it's working pretty good. Also, we still gotta sand down the inside and cut some extracting vents in the hood"

NACA ducts on the hood direct fresh air directly into the air filters. Additionally the front license plate area is just wire mesh, along with the lower openings for the parking lights, a la Z06. Lots of air getting in there. When he makes the extracting vents above the headers that'll be even better.

But it is an eye opening(or closing?) experience when you lift the hood up for the first time after a drive. WARM to say the least.
ice
     
Heavy Fluid
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Aug 4, 2008, 09:46 AM
 
Is he going to take you for a ride in it, or better yet, let you drive it?
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IceEnclosure  (op)
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Aug 4, 2008, 09:53 AM
 
Originally Posted by Heavy Fluid View Post
Is he going to take you for a ride in it, or better yet, let you drive it?
I'd go for the minimalist "passenger run to the gas station" TYVM. This dude is crazy and so is his car.
ice
     
olePigeon
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Aug 4, 2008, 11:09 AM
 
Originally Posted by IceEnclosure View Post
coffeecan? In the original post, his exhaust is well under the car, the mufflers and associated piping are not installed yet. Also the entire exhaust is wrapped in black heat wrap stuff, hundreds of feet of it.
Oooh, OK. It just sounded like a modified exhaust from a Honda. Makes it sound like an RC car.

Originally Posted by IceEnclosure View Post
heh, my brother's camaro:

Lives it's life as a 330RWHP automatic-equipped grocery getter pulling 21 MPG via a custom tune. If it feels the need, it leaves you behind with 440RWHP. This video is three years old and the car still does the same thing today.
http://www.frequencyequalsbass.com/d...s/bro_DYNO.mov

whatever so their interiors and plastics and leathers and door hinges are all crap
Don't get me wrong, the engines are awesome. You can tell a Camaro a mile away. I'm talking about the looks. It's like they hit 1990 and never left. That's why when they stopped making the Camaro no one cared. Now they're bringing it back and still make it look retarded.

There hasn't been a good looking Camaro for 30 years.
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IceEnclosure  (op)
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Aug 4, 2008, 11:34 AM
 
Originally Posted by olePigeon View Post
Oooh, OK. It just sounded like a modified exhaust from a Honda.
?
not really asking you to clarify, just kinda confused about your ears!
ice
     
IceEnclosure  (op)
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Sep 29, 2008, 07:58 PM
 
Update:

On the dyno right now: 740RWHP/700RWTQ, ready for the street!
ice
     
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IceEnclosure  (op)
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Sep 29, 2008, 11:07 PM
 
quotes:

"Also, on the drive home, he was seeing 25 MPG at 1800 rpm for the 3 seconds that he kept his foot out of the boost."

"There was no leaning on the tune or playing with the dyno to make these number either. Pump gas, a whopping 12 deg max timing....rich as hell all the way till the pump starts to run out around 5800 rpm...pressure was dropping to about 52 psi.
The first full pull showed 730 rwhp, and you could smell the tires smoking, follow up pull made 786, backed up 5 minutes later with a 783 pull."

This is with a stock bottom end and unmilled Air-Flow-Research Heads.

780 horsepower to the wheels. Holy Jebus.
ice
     
IceEnclosure  (op)
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Sep 29, 2008, 11:11 PM
 
ice
     
klb5090
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Sep 30, 2008, 09:29 PM
 

videos PLEASE
     
macintologist
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Oct 1, 2008, 01:40 AM
 
ull coilover race suspension and 18" 3-piece Fikse wheels. 295 width tire up front, 345 tire width in the rear on a 12"(13" maybe) wide rim.
the OCD side of me really wishes they made both left and right handed turbos when i see setups like that.
Lives it's life as a 330RWHP automatic-equipped grocery getter pulling 21 MPG via a custom tune. If it feels the need, it leaves you behind with 440RWHP.
A simple relocation of both intake filters would help for another 50-70 hp. They're right in the heat stream from above the IC and radiator.
I saw 81 degrees as my intake air temp
NACA ducts on the hood direct fresh air directly into the air filters. Additionally the front license plate area is just wire mesh, along with the lower openings for the parking lights, a la Z06
here was no leaning on the tune or playing with the dyno to make these number either. Pump gas, a whopping 12 deg max timing....rich as hell all the way till the pump starts to run out around 5800 rpm...pressure was dropping to about 52 psi.
The first full pull showed 730 rwhp, and you could smell the tires smoking, follow up pull made 786, backed up 5 minutes later with a 783 pull."
Why do Americans always get so damn technical with cars describing every tire feature and engine featre? I prefer the way Top Gear does it, their reviews are much more poetic and cultural, the only technical details they give away are top speed, the BREAK horsepower (not just horsepower), and the naught to sixty time, MAYBE something about the suspension, the torque or some special feature but THATS IT.
( Last edited by macintologist; Oct 1, 2008 at 01:46 AM. )
     
Laminar
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Oct 1, 2008, 01:44 AM
 
Originally Posted by macintologist View Post
Why do Americans always get so damn technical with cars describing every tire feature and engine featre? I prefer the way Top Gear does it, their reviews are much more poetic and cultural, the only technical details they give away are top speed, the BREAK horsepower (not just horsepower), and the naught to sixty time, MAYBE something about the suspension, the torque or some special feature but THATS IT.
Top Gear is entertainment for people that don't care much about reality or details, but some people are interested in those details, and I don't think it's a geographic phenomena.
     
 
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