Z0HS1CK

Right, like why are we arguing which vette is faster just by going what one magazine said? And it's faster by what? half a second? And to throw a monkey wrench in that argument, C&D had a stage 3 aero Z, which we all know, hurts top end.

So what are we concluding here? That GM went backwards with the C7Z, from the C6Z? If that's not the intent for argument, why are we even mentioning any C6's in this thread? This is a C7 thread, with a z06 and a zr1 racing, a C6 has no place in this section of the forum at all, and definitely has no place in this discussion.

How many of us are out there looking for C6Z's to race to see if our better looking, more advanced Z is faster or not? There are lots of cars faster than our C7Z;s, that shouldn't be any reason to think down on what we own. Whatever it is that you own.

Mr. Gizmo

23/C8Z

105hp 65tq more...and less drag... ZR1 wins every time drivers being equal.

plus that race was a complete waste of time. The stage III aero on a Z06 is way more restrictive than the ZTK ZR. Not to mention the M7 vs A8. And no... an M7 C7Z is not faster at any moment in time than an A8. That's a fact. The M7 is not geared anywhere near the A8. The gears are taller LONGER.


as for a C6z vs C7Z.. lol. The times posted were ONE TEST vs another. I've found C6Z over a second slower to 150 and C7z over a second quicker so post them and the C7z is 2 seconds quicker to 150? Come on.

not to mention if a race is start to finish the C7Z wins every time. No matter what. A C6Z could reach XXX mph "quicker" in a particular (ridiculous) circumstance, but the C7Z would cross the finish First.. make sense? The aero drag in the C7Z is substantial but the 0 to 130 is so much quicker than the C6Z it wouldn't catch it until well after XXXX feet. Look at the mile events for stock v stock. Way better indicator than the "magazines". And plenty of owners here have had and RUN both let them speak up (as they've done numerous times over the years) how the C7Z always ran faster and quicker..

so why bring it up all the time lol..

Oneslackr

A McLaren 570s with less than 600 hp at the crank will outrun both of them from 100 mph - up & through 200 mph. You can see Mike run his 2019 ZR1 M7 against his 2017 McLaren 570s. He had posted this video months ago but you can see from the speedo how much quicker the McLaren pulls & it makes it to 200+ where as the ZR1 doesn't. Even the baby McLaren isn't a joke. Of course it's also a lot lighter than a ZR1 but it also has a lot less power.

Watch from 6:15 where he describes what he is about to do - 7:35 or so. The runs start at 6:48.

lordofwar

it is simple,100 hp more means faster car.

lordofwar

another simple truth,what is the weight difference between the 2 cars?i know the Zr1 is heavy. roll and drag racing comes down to weight to HP.vet weighs 500 lbs more.

Cobra2Z

Z0HS1CK

An M7 is faster than an A8 as you climb deep into the MPH range.

Idk how people think it's not. You're taking 2 similar cars, an auto Z will make less power because more power loss through the drivetrain. Yes the A8's are faster in the 1/4 but we're talking about roll racing so there won't be a ton of ground lost that needs to be made up. The long gears in the M7 will have the advantage. I mean top of 3rd is 125? Top of 4th is 150? Meaning from a roll, the M7 driver will only need to shift twice. Maybe even once depending on what MPH you start the race.

A8's fall flat after 4th. Watch any video and you will see the A8 an absolute freight train until top of 4th, then the trans hits 5th and......................flat on it's face lol. no more acceleration.

DevilDog II

I think you can "what if" all you want, but at the end of the day, the ZR1 still has more horsepower.

timmyZ06

Of course ZR1 is faster!! It should be!! But for much MUCH less than Zr1 upgrades, i got headers pulley meth tune and thermal upgrades. Makes ZR1 killer power!!

dar02081961

I always take these you tube videos with a grain of salt.
I enjoy them as entertainment but I dont use them as definitive evidence of anything.

The math says the ZR1 should be the faster car. Yes the mclaren is 400 pounds or so lighter but it gives up roughly 200 hp (193).
Yes the Mac MAY be quicker to 60, since its mid-engine and is lighter which puts the Chevy at a traction disadvantage from a standstill. And even this is debatable since both manufactures claim 0-60 times of 2.7 to 2.8 seconds.
From a standstill through the 1/4 mile is the only place the Mac is going to challenge a ZR1. The math and physics tell us this.

Here are the test sheets from Car and Driver.
As you can see C&D hasn't mastered launching the ZR1 just yet. It takes seat time to do so. (anyone recall the 1st Z06 0-60 times from the mags? compared to today?)
Regardless these test sheets show you a poor 0-60 time of 3.0 seconds for a A8 ZR1 yet it still traps at higher mph than the Mac at the end 1/4 and beats the Mac to both 150 and 170 mph.

What this tells us is just what the power to weight ratio and the physics already clued us in on and that is the ZR1 is a faster car in every aspect.

I know folks will justify and argue till the cows come home thats the nature of bench racing. But as far as we know nothing can defy the laws of physics not even a Mac.
The Chevy is simply a faster machine when driven correctly.

3 Z06ZR1

ESP when the ZR1 has 95 octane and the 570S had only 91 octane. the 570 is faster with that fact exposed. Flawed comparison!

Oneslackr

Well, that's nice and all.

1. But what does your discussion of a ZR1 A8 have to do with Mikes ZR1 M7 in this video that starts its run at 100+ mph?
2. Mike's point in the video was to show that when starting at 100+ mph his 570s pulls harder & faster than his ZR1 as speeds increase. He owns both cars so he has nothing to gain by picking one over the other
3. I'm a big Vette fan & have been since I was 9 years old & my parent's friends took me for a ride in their '78 coupe. But I'm not some Vette fanboy who thinks that a mass produced Chevy is the be all/end all of cars. I have no problem admitting there are better faster cars out there & a Vette can have its *** handed to it at any time given the right conditions or situation.
4. McLarens are no joke. They're fast as hell bone stock & they smoke all kinds of fast cars at various price levels all the time. YT is full of videos that show that. Anyone who underestimates them will probably be in for a surprise. They are the best bang for the buck as far as exotics go & if I had the money I'd go buy one this afternoon.

dar02081961

Wow. I wasn't trying to start an argument.
All I was saying is that I dont take video comparisons as gospel, even when coming from someone who has both cars.

You started a discussion and I added my thoughts and some data to the discussion.
I thought the purpose of you posting what you posted was to facilitate a discussion and comparison of the 2 cars?
If you take into account all of the math the Mac isnt going to run with a car that has 200 more hp only 300 pounds more weight.

Now if it was a 720...according to what has been published so far the ZR1 would lose in every acceleration category by a bunch.

If I offended you or anyone else here I apologize.

3 Z06ZR1

95 octane in the ZR1 and only 91 in the 570 is very significant. Really making your test number between the two flawed for comparison !

dar02081961

It wasn't a comparison, it was a presentation of math with an emphasis on power to weight ratio being the point.
Just curious why do you believe a car with 200 additional Hp will get outperformed by one with 200 Hp less?
4 points of octane will make a difference but it wont make up for almost a full point in power to weight ratio. 5.6 vs 4.7.

Z06's have been out 3 years now. The track guys have been running them against the 570 Macs at the tracks and holding there own.
A ZR1 should fair better with no loss in power from heat soak and additional 105 hp.

If it was a 720 hp Mac 720 perhaps it would be a better comparison and much more in the Mac's favor.

Again I apologize if I offended anyone here by bringing my opinion and some facts to the discussion.

dar02081961

The test wasn't the point my friend. That was just data for the discussion.
The point was 200 hp and 300 pounds of weight still puts the ZR1 at a mathematical advantage.

3 Z06ZR1

The Zr1 was full power where the 570 with only 91 I doubt it and it is more than 200hp and 300 pounds the ZR1 has much bigger profile more wind drag and a bigger mass to push thus the poor 60ft
If the tables were turned the 570s would have been gone! Just discussion my friend!

QUAKEJAKE

I seriously doubt a stock C6 Z is quicker than a C7Z. I owned a new 07 C6Z for 7 years and went to a Challenger Hellcat. I know the Hellcat is the faster car but in 3-4 weeks we will know the truth of the C7 Z. I can't wait.

Mr. Gizmo