Top end speed
Drifting
Joined: Oct 2012
Posts: 1,585
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From: Cedaredge Colorado
I would think that a C5 with at least 500+ hp should achieve 200 mph. It would be in 5th gear in most C5's depending on gearing. I would like to think my car would top 200, but who knows, and I am not about the find out for myself. It is a interesting topic. I may look at some of the Texas Mile Shootout videos.
Plan on runnin my car at the Texas mile this fall. I've looked at the 2013 spring events runs and not to many vettes breaking 200.
I've talked with a few guys and my car, stock LS1 block, 243heads, 90mm intake, procharger(7psi), stock Z manifolds, straight pipes into B&B bullets should run close to 180mph.
Never been over 140mph clocked, so 170/180 should be pretty exciting. Have the SC kit, haven't installed yet, still looking for a pro shop here in CO to install and dyno. Car makes 400rwhp currently and should be close to 550 once SC is on.
Joe
Drifting
Joined: Oct 2012
Posts: 1,585
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From: Cedaredge Colorado
02 Z06 TT ran 216mph
08 Z06 nitrous ran 215
06Z SC/meth ran 208
06Z N/A ran 204
09 ZR1 stock ran 190
2000 coupe N/A ran 181
03Z N/A ran 198
The N/A cars may of had some bolt ons and engine work which weren't listed on results
08 Z06 nitrous ran 215
06Z SC/meth ran 208
06Z N/A ran 204
09 ZR1 stock ran 190
2000 coupe N/A ran 181
03Z N/A ran 198
The N/A cars may of had some bolt ons and engine work which weren't listed on results
Last edited by Cedarberry; Jun 12, 2013 at 01:49 PM.
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From: birmingham Alabama
St. Jude Donor '09 and '13
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In a standing start, one mile run, most of our cars will not see 190 mph. I am talking about a four or five mile run like at the Silver State Challenge.
If you do the math, 5th gear is .74 overdrive. So with 28 inch tires, 3.42 diff.
6000 rpm= 197 mph
6100 rpm= 201 mph
6200 rpm= 204 mph
I am not sure we can pull 6100 rpm at that speed in fifth gear.
On my dyno sheet, rev limiter kicked in at a little over 6100 rpm.
If you do the math, 5th gear is .74 overdrive. So with 28 inch tires, 3.42 diff.
6000 rpm= 197 mph
6100 rpm= 201 mph
6200 rpm= 204 mph
I am not sure we can pull 6100 rpm at that speed in fifth gear.
On my dyno sheet, rev limiter kicked in at a little over 6100 rpm.
Last edited by mooney201; Jun 12, 2013 at 08:04 PM.
Race Director
Joined: Nov 2004
Posts: 15,678
Likes: 1,097
From: birmingham Alabama
St. Jude Donor '09 and '13
In a standing start, one mile run, most of our cars will not see 190 mph. I am talking about an four or five mile run like at the Silver State Challenge.
If you do the math, 5th gear is .74 overdrive. So with 28 inch tires,
6000 rpm= 197 mph
6100 rpm= 201 mph
6200 rpm= 204 mph
I am not sure we can pull 6100 rpm at that speed.
On my dyno sheet, rev limiter kicked in at a little over 6100 rpm.
If you do the math, 5th gear is .74 overdrive. So with 28 inch tires,
6000 rpm= 197 mph
6100 rpm= 201 mph
6200 rpm= 204 mph
I am not sure we can pull 6100 rpm at that speed.
On my dyno sheet, rev limiter kicked in at a little over 6100 rpm.
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Drifting
Joined: Oct 2012
Posts: 1,585
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From: Cedaredge Colorado
Drifting
Joined: Oct 2012
Posts: 1,585
Likes: 28
From: Cedaredge Colorado
200 is the number for sure. I'd really like to break 170/175, then work on the car all winter and come spring go for the manic 200mph
Joe
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From: birmingham Alabama
St. Jude Donor '09 and '13
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It sticks pretty good, but does get just a bit light as you approach 200 MPH...
It sticks pretty good, but does get just a bit light as you approach 200 MPH...
Drifting
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From: Cedaredge Colorado
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2017 C5 of the Year Finalist
St. Jude Donor '08
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Always enjoy your vids Joel.
In my experience I have found;
C5's get a scary around 170
C6's get scary 175-180
and C6Z's get scary around 200
Never ran a ZR1 fast, I bet that would be better though
Not modified cars suspension wise, which would change that I'm sure if it were, and there is a chance that some of that feeling is simply in my head from the adrenaline pumping overtime, but thats what I have experienced. That was also sustaining the speeds, not reaching it and immediately backing off.
In my experience I have found;
C5's get a scary around 170
C6's get scary 175-180
and C6Z's get scary around 200
Never ran a ZR1 fast, I bet that would be better though
Not modified cars suspension wise, which would change that I'm sure if it were, and there is a chance that some of that feeling is simply in my head from the adrenaline pumping overtime, but thats what I have experienced. That was also sustaining the speeds, not reaching it and immediately backing off.
Racer
Joined: Jan 2010
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I have a pic of my car (Stock bodied Z06 w stock suspension) at 180MPH
Car feels stable at 180, just a little light.........
After seeing pic I was amazed just how much lift was happening up front.
will try to find and post up pic
Car feels stable at 180, just a little light.........
After seeing pic I was amazed just how much lift was happening up front.
will try to find and post up pic
Race Director
Joined: Nov 2000
Posts: 11,221
Likes: 899
From: CA
2017 C5 of the Year Finalist
St. Jude Donor '08
Always enjoy your vids Joel.
In my experience I have found;
C5's get a scary around 170
C6's get scary 175-180
and C6Z's get scary around 200
Never ran a ZR1 fast, I bet that would be better though
Not modified cars suspension wise, which would change that I'm sure if it were, and there is a chance that some of that feeling is simply in my head from the adrenaline pumping overtime, but thats what I have experienced. That was also sustaining the speeds, not reaching it and immediately backing off.
In my experience I have found;
C5's get a scary around 170
C6's get scary 175-180
and C6Z's get scary around 200
Never ran a ZR1 fast, I bet that would be better though
Not modified cars suspension wise, which would change that I'm sure if it were, and there is a chance that some of that feeling is simply in my head from the adrenaline pumping overtime, but thats what I have experienced. That was also sustaining the speeds, not reaching it and immediately backing off.
