C7 SC vs C6Z
Thread Starter
Safety Car
Joined: Jul 2007
Posts: 4,456
Likes: 29
From: Wichita Falls Texas
C7 SC vs C6Z
C7 ECS supercharged, ARH 2in Headers, Automatic Z51
VS.
08 C6Z Halltech cai
Race was on a closed road
started at 40mph
video by a phone so noise is distorted a bit
start at 15 shutdown early
VS.
08 C6Z Halltech cai
Race was on a closed road
started at 40mph
video by a phone so noise is distorted a bit
start at 15 shutdown early
Tech Contributor
Joined: Jan 2006
Posts: 4,761
Likes: 240
From: Saint Louis MO
St. Jude Donor '14-'15
a) Not a closed road, it's a highway. Since street racing videos are allowed here now, there's no need to mislead...
b) Something smells wrong here... A blown C7 vs a CAI C6Z is not a contest in either 1/4 ET or MPH.
Not sure what the deal was there... 650fwhp/650fwtq vs 505fwhp/480fwtq... Z06 has 6.2lbs/hp - blown C7 that's properly tuned with those mods is at 5.3lbs/hp...
So.. long story short - Huh?
b) Something smells wrong here... A blown C7 vs a CAI C6Z is not a contest in either 1/4 ET or MPH.
Not sure what the deal was there... 650fwhp/650fwtq vs 505fwhp/480fwtq... Z06 has 6.2lbs/hp - blown C7 that's properly tuned with those mods is at 5.3lbs/hp...
So.. long story short - Huh?
Team Owner
Joined: Nov 2007
Posts: 24,035
Likes: 2,342
From: Gilbert AZ
a) Not a closed road, it's a highway. Since street racing videos are allowed here now, there's no need to mislead...
b) Something smells wrong here... A blown C7 vs a CAI C6Z is not a contest in either 1/4 ET or MPH.
Not sure what the deal was there... 650fwhp/650fwtq vs 505fwhp/480fwtq... Z06 has 6.2lbs/hp - blown C7 that's properly tuned with those mods is at 5.3lbs/hp...
So.. long story short - Huh?
b) Something smells wrong here... A blown C7 vs a CAI C6Z is not a contest in either 1/4 ET or MPH.
Not sure what the deal was there... 650fwhp/650fwtq vs 505fwhp/480fwtq... Z06 has 6.2lbs/hp - blown C7 that's properly tuned with those mods is at 5.3lbs/hp...
So.. long story short - Huh?
Tech Contributor
Joined: Jan 2006
Posts: 4,761
Likes: 240
From: Saint Louis MO
St. Jude Donor '14-'15
True, but there are just too many variables in play here.
Either the C7 had a driver that was asleep, or the C6Z had more done to it than a CAI (be it tires, tune, weight reduction, god knows...).
Otherwise, physics dictates that 5.3lbs/hp vs. 6.2lbs/hp with the same (or close enough) aerodynamics is going to turn out only one way.
Oh well... Variables. I've seen a lot of so-called 'stock' cars at the track beat my *** up and down over the years, and I'm sure the rest of us have too.
Either the C7 had a driver that was asleep, or the C6Z had more done to it than a CAI (be it tires, tune, weight reduction, god knows...).
Otherwise, physics dictates that 5.3lbs/hp vs. 6.2lbs/hp with the same (or close enough) aerodynamics is going to turn out only one way.
Oh well... Variables. I've seen a lot of so-called 'stock' cars at the track beat my *** up and down over the years, and I'm sure the rest of us have too.
Pro
Joined: Jun 2011
Posts: 556
Likes: 0
Maybe the C7 was on low boost? There's definitely more to this story.
Also, the C7 looked like it was smoking pretty bad. If that's the case, he's probably not on low boost, and/or his tuner sucks and the C7 is gonna need a new motor soon.
Also, the C7 looked like it was smoking pretty bad. If that's the case, he's probably not on low boost, and/or his tuner sucks and the C7 is gonna need a new motor soon.
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Thread Starter
Safety Car
Joined: Jul 2007
Posts: 4,456
Likes: 29
From: Wichita Falls Texas
I own the c6z and a good friend has the c7
He was pulling on the top end not as much as I though he would though.
He put down 578 I believe 6 or 7lbs
Mine is stock besides the cai, soon will have fi power though
He was pulling on the top end not as much as I though he would though.
He put down 578 I believe 6 or 7lbs
Mine is stock besides the cai, soon will have fi power though
Tech Contributor
Joined: Jan 2006
Posts: 4,761
Likes: 240
From: Saint Louis MO
St. Jude Donor '14-'15
Don't get me wrong, you have a great (and very nice) car there. But I'm sure you can agree that from the numbers, this just doesn't add up.
There has to be something up with his tune or boost levels. What are you putting to the ground?
There has to be something up with his tune or boost levels. What are you putting to the ground?
Thread Starter
Safety Car
Joined: Jul 2007
Posts: 4,456
Likes: 29
From: Wichita Falls Texas
He is on low boost and pretty rich as u can tell once he lets off the gas
Pro
Joined: Jun 2011
Posts: 556
Likes: 0
Does it smell like oil when you're behind him? Cause massive blow by will do that too.
Thread Starter
Safety Car
Joined: Jul 2007
Posts: 4,456
Likes: 29
From: Wichita Falls Texas
Wasn't paying to much attention to it. I know he said he was gonna get something to help with crankcase pressure though.
Will get some better runs in another time we ran up on some cars that why we shut it down early both runs
Will get some better runs in another time we ran up on some cars that why we shut it down early both runs
Drifting
Joined: Jul 2013
Posts: 1,726
Likes: 770
a) Not a closed road, it's a highway. Since street racing videos are allowed here now, there's no need to mislead...
b) Something smells wrong here... A blown C7 vs a CAI C6Z is not a contest in either 1/4 ET or MPH.
Not sure what the deal was there... 650fwhp/650fwtq vs 505fwhp/480fwtq... Z06 has 6.2lbs/hp - blown C7 that's properly tuned with those mods is at 5.3lbs/hp...
So.. long story short - Huh?
b) Something smells wrong here... A blown C7 vs a CAI C6Z is not a contest in either 1/4 ET or MPH.
Not sure what the deal was there... 650fwhp/650fwtq vs 505fwhp/480fwtq... Z06 has 6.2lbs/hp - blown C7 that's properly tuned with those mods is at 5.3lbs/hp...
So.. long story short - Huh?
fwhp = front wheel horsepower.
rwhp = rear wheel horsepower
awhp = all wheel horsepower
Chp/Hp = Crank/Flywheel horsepower
Tech Contributor
Joined: Jan 2006
Posts: 4,761
Likes: 240
From: Saint Louis MO
St. Jude Donor '14-'15
Really, you had to go and be that guy? 
Everyone knew exactly what I meant. If anyone here has front wheel horsepower...
Most people get confused when using 'hp', as they automatically assume to the ground... it's a minefield of stupidity. Technically, though, you're correct. I think I'm going to have to start some silly acronym like 'flwhp' for the people who look at you funny when you say hp isn't a measurement to the wheels...
...
Everyone knew exactly what I meant. If anyone here has front wheel horsepower...
Most people get confused when using 'hp', as they automatically assume to the ground... it's a minefield of stupidity. Technically, though, you're correct. I think I'm going to have to start some silly acronym like 'flwhp' for the people who look at you funny when you say hp isn't a measurement to the wheels...
...
Last edited by Theta; Mar 15, 2014 at 03:51 AM. Reason: Meant to have an emoticon the first time around...
Le Mans Master
Joined: Jul 2005
Posts: 5,328
Likes: 405
The acronym "FWHP" has many meanings of which front wheel horsepower and flywheel horsepower are BOTH included.
http://www.acronymfinder.com/FWHP.html
I use FWHP for flywheel horsepower and everybody here understands what I mean just like everybody understood Theta and obviously you did too...I don't know why you felt the need to be "that guy", lighten up and enjoy the ride. If it bothers you that much, may I suggest you visit the Honda forums...there are no front wheel drive Corvettes.
BTW, there is no horsepower relationship for the acronym CHP so you are technically incorrect. (Put CHP in any search engine and see what you get...nada for horsepower.) BHP is the technically correct engineering acronym for horsepower measured at the crankshaft but most non-engineering people don't know/understand that term. Just use FWHP and you'll blend in just fine here.