08-16-2016
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#101
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Re: Project Corvette
Quote:
Originally Posted by Halon
If nothing is wrong and it's just how it is, would you think about running a smaller pulley?
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Not sure if I would do that but possibly if all checks out next year, or I could have it tuned without the restrictor or get a different sized restrictor to open up boost a couple psi.
Got the front plate remounted and started working on the fender vents, will have to refine that later on with something sturdier than window screen.
Hopefully will drop it off to get the speedo checked out tomorrow.
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08-16-2016
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#102
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R U DTF bro?
Join Date: Aug 2003
Location: Oak Point, TX
Drives: C8 Stingray Z51
Posts: 20,620
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Re: Project Corvette
Before going the pulley down route, look into either removing the restrictor, or getting a different sized one, since that would free up some efficiency in the setup. The fact your boost is tapering off, with a centrifugal, tells me right away that you have too large of an intake restriction.
__________________
Quote:
Originally Posted by Murlo26
I agree with Kracka.
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08-16-2016
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#103
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Re: Project Corvette
Quote:
Originally Posted by Kracka
Before going the pulley down route, look into either removing the restrictor, or getting a different sized one, since that would free up some efficiency in the setup. The fact your boost is tapering off, with a centrifugal, tells me right away that you have too large of an intake restriction.
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Exactly what Im thinking too on such a large motor, that is probably why the SC doesnt make power to redline, if there are no boost leaks or belt slips. Still havent heard back from East Coast supercharging yet on their thoughts but ill update when I get more info! They did state that this supercharger should be able to support 1k hp, so not really sure if my theory is correct.
Last edited by A//// Guy; 08-16-2016 at 09:18 AM..
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02-02-2017
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#104
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Re: Project Corvette
I should probably update this. Getting a bit of spring fever coming on, since its already February!
Ended up detailing the car in the fall and made it to the last Cars and Coffee in October, looked a lot better than before.
In late October I finally had CJ Tunes in St. Paul tune the car and dyno it on 93 pump with the restrictor removed It made 9PSI vs. 4PSI and a slipping belt when it was broken in on the dyno at DRM (504whp). CJ's tune was far superior, car ran like butter on the way home and he fixed various issues he found. Results from CJ: 715whp/669wtq. Amazing!
Unfortunately the alternator died while on the dyno and I ended up just limping it home after picking it up from him. Waited 2 weeks for a new alternator and it came damaged, so I had to reorder. By the time I received another one, it was the end of November and the car was in storage mode with the alternator removed.
Plans for spring:
Replace alternator and keep putting break in miles on it.
Replace the crappy invo rear tires with something a bit stickier.
Possibly get a front lip and side skirts
Detail it once again
Cant wait to start it back up again. It was a beast with 500whp... cant wait to feel the difference.
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02-02-2017
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#105
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back in the saddle again
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Re: Project Corvette
WOW! Why the short pull 008? Just a power pull after it cooled down?
Powerband is flat, I bet it is a handful and a hoot to drive when you get to this spring!
__________________
My street car runs low 11's and my race car's personal best is a mid 11....
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02-02-2017
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#106
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Join Date: Mar 2005
Location: Blaine, MN
Drives: '91 Automagic
Posts: 13,908
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Re: Project Corvette
fuuuccccc that's some sick power.
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02-02-2017
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#107
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aka Goodbye
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Re: Project Corvette
Nice! Good timing too, I'm watching a Novi supercharged C6ZO6 on Smoking Tire right now. I better go work on my car a bit before I start thinking about Vettes again.
__________________
2009 Corvette Z51-SOLD
1992 Mitsubishi Eclipse GSX-SOLD
2013 BMW Z4-Current summer hooptie
2017 GMC Yukon-Current winter hooptie
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02-02-2017
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#108
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immune from paybans
Join Date: Oct 2005
Location: West Des Moines
Drives: poorly
Posts: 4,358
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Re: Project Corvette
YeAaa! Just imagine maxing out that little Paxton on some good fuel... but I'm sure you'll have enough traction problems now even with drag radials haha. Very nice comeback for this vette!
Oh and das noble wants a race. Some day. You will guarantee take off after 100mph
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02-03-2017
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#109
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aka Goodbye
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Re: Project Corvette
__________________
2009 Corvette Z51-SOLD
1992 Mitsubishi Eclipse GSX-SOLD
2013 BMW Z4-Current summer hooptie
2017 GMC Yukon-Current winter hooptie
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02-03-2017
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#110
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Re: Project Corvette
Quote:
Originally Posted by niterydr
WOW! Why the short pull 008? Just a power pull after it cooled down?
Powerband is flat, I bet it is a handful and a hoot to drive when you get to this spring!
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He ended up tuning on the dyno because he couldn't get the car to hook on street under 100mph. So he did a few pulls on the dyno, the #2 run was basically a baseline. Im not sure why he didnt make a full pull, and I really wish he logged boost and AF. Maybe I can contant MAP where he had it done and see if they saved the full logs.
I dont plan to do anything else, more than content with the outcome of this project haha. Just a couple visual mods and cruisin time!
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02-03-2017
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#111
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Pewp Champion
Join Date: Nov 2003
Location: Blaine
Drives: Teh Bean
Posts: 12,309
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Re: Project Corvette
For some reason I didn't realize you had hit those numbers on pump. That's incredible man, very cool! Good spring plans too, not too overwhelming so you should be able to enjoy it!
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02-03-2017
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#112
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Join Date: Dec 2009
Location: Lino Lakes
Drives: 17 Honda Accord
Posts: 4,041
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Re: Project Corvette
Sounds like Knoxville's experience with Carl on his G8. Had driveability issues and especially tranny nonsense but took it to Carl and got it straightened out and it drove awesome afterwards. Seems like Carl knows his shit on GM's.
Very nice results bud, looks like a beast!
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02-03-2017
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#113
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Admin
Join Date: Oct 2003
Location: Sportsman's Paradise, LA.
Posts: 5,382
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Re: Project Corvette
Should be a fun drive.
__________________
"You don't have a clue. You couldn't get a clue during the clue mating season in a field full of horny clues if you smeared your body with clue musk and did the clue mating dance."
When she get's bitchy, SPANK THAT ASS! (#Y#)
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02-03-2017
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#114
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R U DTF bro?
Join Date: Aug 2003
Location: Oak Point, TX
Drives: C8 Stingray Z51
Posts: 20,620
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Re: Project Corvette
That is an incredible amount of power on pump gas for a street car! Very impressive. That is going to be mean beast this spring when you get it out.
__________________
Quote:
Originally Posted by Murlo26
I agree with Kracka.
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02-03-2017
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#115
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Re: Project Corvette
Thanks guys! Carl also fixed the Speedometer which wasnt working after I got the car running. There was a wiring issue he traced from the ECM to the dash. Great guy to work with, very experienced and communicates really well.
Forgot about a couple other things I did. Ricer in me had to promote the new engine haha. It wont be getting any other stickers though.
Also got a ProSport Boost gauge and vent pod installed. Fitment was pretty crappy so I had to file it down a lot before install. Looks good enough though.
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02-03-2017
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#116
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R U DTF bro?
Join Date: Aug 2003
Location: Oak Point, TX
Drives: C8 Stingray Z51
Posts: 20,620
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Re: Project Corvette
I really like the C6's gauge setup; exactly as a sports cars should be with all the essentials laid out nicely.
__________________
Quote:
Originally Posted by Murlo26
I agree with Kracka.
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02-03-2017
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#117
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Re: Project Corvette
Quote:
Originally Posted by Kracka
I really like the C6's gauge setup; exactly as a sports cars should be with all the essentials laid out nicely.
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I really like the layout as well, simple, clean and exactly what is needed! Stereo in this car could use some work but thats not a big deal haha.
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02-03-2017
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#118
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R U DTF bro?
Join Date: Aug 2003
Location: Oak Point, TX
Drives: C8 Stingray Z51
Posts: 20,620
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Re: Project Corvette
At least it has the optional navi already! Corvette stereos always have, and always will, suck. The Bose systems are just garbage in them which is odd because the Bose in the Volt is pretty decent. The Bose in the GTR is mediocre at best.
__________________
Quote:
Originally Posted by Murlo26
I agree with Kracka.
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02-03-2017
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#119
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Join Date: Apr 2008
Location: stillwater
Drives: cbr 1000rr repsol
Posts: 1,451
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Re: Project Corvette
Great numbers on pump gas. Get some sticky tires and put a hurting on some mustangs.
Why did you use the stroker crank?
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02-03-2017
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#120
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Re: Project Corvette
Quote:
Originally Posted by Kracka
At least it has the optional navi already! Corvette stereos always have, and always will, suck. The Bose systems are just garbage in them which is odd because the Bose in the Volt is pretty decent. The Bose in the GTR is mediocre at best.
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Yea the Bose in my Terrain sounds pretty good, same in my old audi. Bose are hit are miss for sure. I think they just slap a badge on and call it good lol.
Quote:
Originally Posted by 93gtpeater
Great numbers on pump gas. Get some sticky tires and put a hurting on some mustangs.
Why did you use the stroker crank?
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Stroker motor came with the car because it used to be NA. I was hoping to salvage most of the old engine but the block was badly damaged and I didnt want to attempt to resleeve and fix it. I was looking at different cranks so I could stick with a 6.2 liter. That would have tacked on another grand to the motor build when the stroker crank ended up polishing out and being okay.
I still have to post up the old block, cam and clutch/flywheel on craigslist and get rid of that stuff. Anyone want it for a project? lol
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