The ZR1's Track Weakness: Fuel Consumption
03-12-2018, 09:14 PM
#61
Track Rat
Thread Starter
03-12-2018, 09:28 PM
#62
Le Mans Master
03-12-2018, 09:50 PM
#63
Le Mans Master
Sure, I don't really think the ZR1 has less Drag! ;)
What's with the "range" for each car?
I do know this- the stage 3 bridge alone is worth about 200hp of drag down the main straight of COTA. My GS ran almost identical top speeds as my friends tuned/intake Z07 - ~152mph.
I have stock GS with Stage 3 front and Stage 2 rear (and the Z06 driver is a much better driver with a mph faster into the straight as well)
I do know this- the stage 3 bridge alone is worth about 200hp of drag down the main straight of COTA. My GS ran almost identical top speeds as my friends tuned/intake Z07 - ~152mph.
I have stock GS with Stage 3 front and Stage 2 rear (and the Z06 driver is a much better driver with a mph faster into the straight as well)
Drag adds by the square of the MPH as you increase speed.
I would say there's something to be said about solid power overcoming drag, and they do work together!
And - Get in line with your story!
https://youtu.be/F5F18o8xayA
Last edited by johnglenntwo; 03-12-2018 at 11:16 PM.
03-12-2018, 11:40 PM
#64
Scraping the splitter.
Huh?
The ZR1 will have higher average lap speeds and higher entry/exit and straight speeds than the Z06. HP = RPM. RPM = fuel consumption.
You'll likely be on throttle sooner, harder and longer with the ZR1 than with the Z06 due to downforce.
As has been already stated, these are not being raced in an endurance series. It's a moot point. Fuel costs are the among the lowest costs for those who will track these. If you burn 10-12 gallons per 20-30 minute session, that's $30-40 per session so $120-160/day for events that cost $250-500/day in registration costs, $700-900 in track insurance per event, plus amortization of tires, brakes, etc..
We're worried about another ~$20-30/day in fuel costs when tracking a ZR1?
S.
The ZR1 will have higher average lap speeds and higher entry/exit and straight speeds than the Z06. HP = RPM. RPM = fuel consumption.
You'll likely be on throttle sooner, harder and longer with the ZR1 than with the Z06 due to downforce.
As has been already stated, these are not being raced in an endurance series. It's a moot point. Fuel costs are the among the lowest costs for those who will track these. If you burn 10-12 gallons per 20-30 minute session, that's $30-40 per session so $120-160/day for events that cost $250-500/day in registration costs, $700-900 in track insurance per event, plus amortization of tires, brakes, etc..
We're worried about another ~$20-30/day in fuel costs when tracking a ZR1?
S.
03-13-2018, 12:22 AM
#65
Le Mans Master
Simple - Callaway for instance claims their ZO6 is good for ~210 MPH. If they are thinking the stage 1 spoiler for that, and the stage 3 spoiler got you down to ~200 MPH, the large additional aero would have about the same Drag as the ZR1, but, far less Downforce, of course!
Drag adds by the square of the MPH as you increase speed.
I would say there's something to be said about solid power overcoming drag, and they do work together!
And - Get in line with your story!
https://youtu.be/F5F18o8xayA
Drag adds by the square of the MPH as you increase speed.
I would say there's something to be said about solid power overcoming drag, and they do work together!
And - Get in line with your story!
https://youtu.be/F5F18o8xayA
Huh?
The ZR1 will have higher average lap speeds and higher entry/exit and straight speeds than the Z06. HP = RPM. RPM = fuel consumption.
You'll likely be on throttle sooner, harder and longer with the ZR1 than with the Z06 due to downforce.
As has been already stated, these are not being raced in an endurance series. It's a moot point. Fuel costs are the among the lowest costs for those who will track these. If you burn 10-12 gallons per 20-30 minute session, that's $30-40 per session so $120-160/day for events that cost $250-500/day in registration costs, $700-900 in track insurance per event, plus amortization of tires, brakes, etc..
We're worried about another ~$20-30/day in fuel costs when tracking a ZR1?
S.
The ZR1 will have higher average lap speeds and higher entry/exit and straight speeds than the Z06. HP = RPM. RPM = fuel consumption.
You'll likely be on throttle sooner, harder and longer with the ZR1 than with the Z06 due to downforce.
As has been already stated, these are not being raced in an endurance series. It's a moot point. Fuel costs are the among the lowest costs for those who will track these. If you burn 10-12 gallons per 20-30 minute session, that's $30-40 per session so $120-160/day for events that cost $250-500/day in registration costs, $700-900 in track insurance per event, plus amortization of tires, brakes, etc..
We're worried about another ~$20-30/day in fuel costs when tracking a ZR1?
S.
03-13-2018, 06:33 AM
#66
Le Mans Master
Yep! Kahunas - We shall see! LOL
He's used to Man Handling 'That' 650HP!
And
Stage 2, if you will, adds about 10 MPH of Drag or a 202 MPH Top Speed.
(The SC757 has their estimated 210 MPH Top Speed and got 205 MPH as a ZO7 stage 2. There does seem to be some extra torque though.)
Less drag or more efficient Downforce!?
And
Stage 2, if you will, adds about 10 MPH of Drag or a 202 MPH Top Speed.
(The SC757 has their estimated 210 MPH Top Speed and got 205 MPH as a ZO7 stage 2. There does seem to be some extra torque though.)
Less drag or more efficient Downforce!?
Last edited by johnglenntwo; 03-13-2018 at 11:27 PM.
03-20-2018, 09:42 AM
#67
Race Director
Only on the corvette forum, where someone starts a thread about gas consumption on a 100+k car! Unreal. And it’s a performance car, not a Prius.
03-20-2018, 10:24 AM
#68
Track Rat
Thread Starter
This past weekend I went out on track in my C7 Z06 with a full tank and came back 32 minutes later with less than 1/8th. The ZR1 will definitely drink more fuel so I think it's a legitimate question whether it will make it a full 30 minute session.
In any case, my original post was partly in fun of the folks that complained that the C7 Z06 couldn't run for hours on track without overheating.
03-20-2018, 10:25 AM
#69
Only on the corvette forum, people comment before understanding what they read. The OP has zero concern about the cost of gas. Typically, driving events (ex. HPDEs) on a race track have run groups that are 30 minutes in length. The OP was discussing if the ZR1 fuel consumption will allow the car to even finish a 30 minute session before it's out of fuel or too low to be pushing the car at track speeds.
03-20-2018, 11:21 AM
#70
Le Mans Master
Take 2 warmup laps instead of 1, at the 15 minute mark take a moderate lap and short shift to allow the other cars to catch up and bingo your fuel will last you for the whole session!
03-21-2018, 06:03 AM
#71
Race Director
Only on the corvette forum, people comment before understanding what they read. The OP has zero concern about the cost of gas. Typically, driving events (ex. HPDEs) on a race track have run groups that are 30 minutes in length. The OP was discussing if the ZR1 fuel consumption will allow the car to even finish a 30 minute session before it's out of fuel or too low to be pushing the car at track speeds.
03-21-2018, 09:07 AM
#72
Moderator
Member Since: Jul 2005
Location: West MI
Posts: 27,703
Received 3,622 Likes
on
1,741 Posts
CF Banner Relay Captain
West MI & JAX/NE Florida
Events Coordinator
St. Jude Donor '11-'12-'13-'14-'15-'16-'17, '21
BIG Difference if you are buying it for the track and it doesn't complete a 30 minute session I can change my order to no order.