would a 500hp zf6 c4 pull a 180 mph or more?
08-13-2011, 10:42 PM
#2
Race Director
And, I was wondering how hard to find with Google...
Not hard....found the answer right away.
Evidence of [the 1990 ZR-1] power was a 4.9 second 0-60 sprint and a quarter- mile turned in 13.4 seconds. Top speed was nearly 180mph.
A total of 3,049 ZR-1's were produced in 1990. This represents nearly half of all the ZR-1's ever made.
This forum probably has it in a FAQ link/thread.
Evidence of [the 1990 ZR-1] power was a 4.9 second 0-60 sprint and a quarter- mile turned in 13.4 seconds. Top speed was nearly 180mph.
A total of 3,049 ZR-1's were produced in 1990. This represents nearly half of all the ZR-1's ever made.
This forum probably has it in a FAQ link/thread.
08-13-2011, 11:36 PM
#6
Team Owner
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St. Jude Donor '05
Think hes asking if a non zr1 with +100 over stock could do it.
08-13-2011, 11:39 PM
#7
08-14-2011, 12:55 AM
#8
Safety Car
you just have to do the math on the 5th gear ratio: it helps if the engine could handle 7000 rpm + because you could have 600 hp with 4:10 gears on a 6000 rpm small block and not get anywhere near it.
08-14-2011, 01:01 AM
#9
Race Director
08-14-2011, 01:04 AM
#10
Race Director
BTW...There's been at least one member who went for the 200mph mark. Seems like one rear tire shreaded and blew out the rear quarter panel. So, he had to wait another year. (And, do some extensive repair)
08-14-2011, 10:26 AM
#11
A stock LT1 does 170 with 300HP.
A 500 HP car will do it.
Look at videos of vettes on youtube doing 200mph and some of the first ones were the early Z06's and not really modified so 450 at best most likely.
I know the 6th gear is the issue at hand here, but I still say it's doable.
A 500 HP car will do it.
Look at videos of vettes on youtube doing 200mph and some of the first ones were the early Z06's and not really modified so 450 at best most likely.
I know the 6th gear is the issue at hand here, but I still say it's doable.
08-14-2011, 11:21 AM
#12
Racer
Thread Starter
Yes 100 hp over a 405 hp zr1
yes/no. i know the 7000 rpm lt5 is a factor. wondering if a E-Rod ls3 c4 would achive the same. 
08-14-2011, 12:12 PM
#13
Safety Car
An LS3 will do it if you keep the 3:45 gear set in the D44. I had my C6 up to 175mph in 5th and it had more to go on the powerband. Obviously those cars can do 190mph with room, but a C4 has even less downforce and frontal area so I'm pretty sure 180 is easily possible with about 400 hp if you can spin to 6500 rpm.
08-14-2011, 12:35 PM
#14
Race Director
As the others mentioned....yes. But I'd want a very long track to not only get it up to that speed safely, but shut it down too. Salt flats would be nice. Trying on a public highway would be disastrous....don't even think it.
08-14-2011, 03:59 PM
#16
Race Director
There are at least 15 threads on the subject.
Here's a couple of threads to provide more info....
http://forums.corvetteforum.com/c4-t...hlight=200+mph
http://forums.corvetteforum.com/c4-t...hlight=200+mph
http://forums.corvetteforum.com/c4-t...hlight=200+mph
http://forums.corvetteforum.com/c4-t...hlight=200+mph
08-17-2011, 04:31 AM
#19
Le Mans Master
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I was just remarking a week ago to a friend of mine with a C6 how some country black tops that look flat and smooth turn into lasagna noodles over 120. 180+ is BS w/o the right surface/road...and tires!!
to the OP, 400 hp ZR-1s will do the 180 thing. But, the trick is the hp has to be peaking out with gearing that will result in the speed being attempted. You wouldn't need 500 to do it, as long as the power is peaking in the gear you're using at the 180+ mark.
P.
Last edited by Paul Workman; 08-17-2011 at 04:46 AM.
08-17-2011, 10:25 AM
#20
Race Director
I was just remarking a week ago to a friend of mine with a C6 how some country black tops that look flat and smooth turn into lasagna noodles over 120. 180+ is BS w/o the right surface/road...and tires!!
to the OP, 400 hp ZR-1s will do the 180 thing. But, the trick is the hp has to be peaking out with gearing that will result in the speed being attempted. You wouldn't need 500 to do it, as long as the power is peaking in the gear you're using at the 180+ mark.
P.
Think of it like this.....the NASCAR Sprint cup cars run restrictor plates at the big tracks like Talladega. The plates effectively cut horsepower in half (400-450), and they can achieve over 180 mph. When they are "drafting" with another car, over 200 MPH can and does happen at these tracks. In fact, the restrictor plates are in place to keep speeds DOWN at these tracks. Now these cars spend a lot of time in the wind tunnel, but the C4 Corvette has very little wind drag as well. The NASCAR guys tuning and gearing is designed for exactly what they do, but if we're just asking "Can I go 180 mph with 500 HP?" , the answer is a resounding "yes".
But a few real differences stand out.....they have a track designed specifically for these activities, and the suspensions are setup with these speeds in mind as well. They also have professional drivers, and the cars have safety equipment that is state of the art. The tires are designed for these speeds to be sustained. They also have EMS and fire crews on hand in case anything goes wrong, and a helicopter standing by if it goes seriously wrong.
Location, location, location. But yes, you can do it.
