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This is spot on. There are no stock C7 ZR1's that came out of Bowling Green with over 755 HP. The tolerances in manufacturing these engines are very tight, allowing for basically 0 variance in the process (Mechanically).
Variation is small, but exist. I would say no C7 ZR1's came out of Bowling Green under 755 hp.
My RPO RVK is rated by GM an additional 17 hp. I recall a GM engineer saying with RVK, 100 octane gas and aftermarket cross-pipe replacing the secondary cats will result around 800 hp. I've seen M7 cars dyno over 700hp at the wheels with no engine internal (or tuning) mods other than intake and x-pipe.
Variation is small, but exist. I would say no C7 ZR1's came out of Bowling Green under 755 hp.
My RPO RVK is rated by GM an additional 17 hp. I recall a GM engineer saying with RVK, 100 octane gas and aftermarket cross-pipe replacing the secondary cats will result around 800 hp. I've seen M7 cars dyno over 700hp at the wheels with no engine internal (or tuning) mods other than intake and x-pipe.
that’s not a stock car…. If you want go that route, there are turbo cars making 150 hp over stock with just a tune, nothing else.
for stock cars:
Weather conditions, dyno, even the operator can affect the #s. But all ZR1s are +/- 15 hp at most to others of the same transmission. A very minor almost indistinguishable amount at 750 hp.
point is. GM doesn’t underrate their cars like some manufacturers do (virtually always an European turbo car).
BMW M cars
McLarens
Porsches
AMGs
always looks at RWHP and more importantly Power to Weight.
I hope GM would continue to put better 100mph+ gear ratios in their Autos. C8 z51 seems ok. The c7z and ZL1/CT5V have amazing 100 mph+ Manual gearing. On the A8, 5th gear is unreasonably long at 125 mph. It drops an extra 500 rpm for whatever reason when the gears should get shorter or the same. Car loses ground here to the manual cars which are in a much better power band spot.
just YouTube 0-180 or 0-300 kph videos and compare. The gearing is constantly getting shorter or the same for GT3s or other similar cars.
The gm 10 speed does pretty great until 142 where it shifts to 7th and drops a little more revs but no where near the 8 speed. No reason an 8 speed can’t do this by just keeping 7th and 8th really long. It’s a sports car. Match the gearing to the speed and hp of the car.
changing the rear end ratio for the zl1 and ct5v did wonders to keep those heavy cars fast. Should do the same for c8z specially just a high revving NA engine that needs to stay up in the rev range. We shall see.
Also if you guys are talking 1/4 mile times. A 992 GT3 (and 991 GT3RS for that matter) run 10.8 at 128 mph with 500-510 hp (don’t bring cost into this discussion please). It’s all traction and gearing.
I am not a Porsche fanboy, just their cars are usually good benchmarks. Sadly, GM caters to too big of a crowd and doesn’t make more focused cars like the Porsche GT cars with lighter weight materials, less insulation, for the sake of making a better sports car.
Give us a light weight z07 package! Easy pickings! Less speakers, less insulation, lighter materials (get rid of all the fake leather), less electronics, a proper rear wing, a proper splitter, proper lightweight bucket seats! It will sell!
Last edited by BrunoTheMellow; 05-07-2022 at 12:22 PM.
it’s no secret that bmw underrates their power. This has been going on for years.
why is it the m cars beat a c8 stingray off a roll when both are roughly the same weight and power?
there is a bone stock m4 on auto glory YouTube that is beating stock hellcats lol. The same m4 with a jb4 was running with stock redeyes. They’re serious performers.
as far as my cars. I can send you pics. Give me your email.
Average power and gearing is where the Euro cars shine being they design them for the Autobahn/Ring.
Watching a video of two cars roll racing is hard to draw a factual conclusion, the fastest stock pass 992 turbo I could find was a 10.3@133. Modified ones were running mid/upper 9s though still only trapping low 140s and we know Porsche sometimes sends ringers for testing.
Are you planning on dynoing or taking the M3 to the track? I’ve instructed in a modified M4 and it was nice, but not overly impressive. Here’s a picture of it at Hallett, you don’t need my email to spam me. Just post a pic so others can see too, honestly I’m surprised you didn’t buy a Plaid instead of the two as should be about similar in price only better no?
I just find it funny the M3C is a beast, but it basically runs what a NA C6Z06 did 16 years ago. This dyno of one shows 455rwhp SAE, not sure what gear though that isn’t far off what a stock C6Z06 dynoed and they both are rated almost identical at the crank though the M3C uses smaller/lighter rear wheels which help to lower parasitic loss or increase dyno numbers.
Average power and gearing is where the Euro cars shine being they design them for the Autobahn/Ring.
Watching a video of two cars roll racing is hard to draw a factual conclusion, the fastest stock pass 992 turbo I could find was a 10.3@133. Modified ones were running mid/upper 9s though still only trapping low 140s and we know Porsche sometimes sends ringers for testing.
Are you planning on dynoing or taking the M3 to the track? I’ve instructed in a modified M4 and it was nice, but not overly impressive. Here’s a picture of it at Hallett, you don’t need my email to spam me. Just post a pic so others can see too, honestly I’m surprised you didn’t buy a Plaid instead of the two as should be about similar in price only better no?
Believe it or not but i probably will take the M3 to the track. Only because it was an impulse purchase. I had an M4 x-drive on order but after 3 months with no allocation in sight, the rumors of the carbon fiber roof being a mandatory delete, parts shortages, BMW stop sales, shipping delays, i probably wouldn't have seen the M4 until sometime spring/summer of 2023. I wanted a new toy now. So i paid slightly over MSRP of the M3 competition. But it's not the x-drive which is a bummer. I leased the car so part of me does not care about this car however the car is really good, i do like it. When this lease is over i may go for an M5 if it still has a V8 at that time, or get an x-drive.
took that this morning during this crappy rainy day. I can get better pics when the weather gets better.
I just find it funny the M3C is a beast, but it basically runs what a NA C6Z06 did 16 years ago. This dyno of one shows 455rwhp SAE, not sure what gear though that isn’t far off what a stock C6Z06 dynoed and they both are rated almost identical at the crank though the M3C uses smaller/lighter rear wheels which help to lower parasitic loss or increase dyno numbers.
Dyno numbers are all over the place. I don't really follow them. I just read what owners are posting in the FB group. Not the forum.
Stock M3/M4 comps typically run mid 11's while the x-drives running slightly faster. There were a couple of people already that had gotten their stock x-drive in the 10s. And JB4 x-drives low 10s and 9s with E85. The S58 is very potent.
I think something a lot of folks are forgetting here is that it's pretty difficult to bump up your trap speed by 9mph, on the same vehicle platform while remaining naturally aspirated, keeping a warranty and passing emissions. 10.6 is nothing to scoff at considering the entirety of the package you're getting.
Too many people forget this part. I am 100% happy with the advertised 10.6 @ 131. Even if that was all it is capable of. However, we all know GM underrates these every generation & people will be trapping higher & running better times once we can buy them
Too many people forget this part. I am 100% happy with the advertised 10.6 @ 131. Even if that was all it is capable of. However, we all know GM underrates these every generation & people will be trapping higher & running better times once we can buy them
no they don’t. gm doesn’t underrate these corvettes. All dynos have been right on the money and yes there are some drag strips that are in absolute perfect air and weather. fine. Track times have been right on the money with what car and driver have been able to pull off in lightning lap for example.
how many people were able to get 2.95 0-60 out of a c7z?
& why are we comparing an M2 to a Z? Completely different cars
I don't think anyone was?
They are 2 different cars. But that's the great thing about being a car guy. You can love ANY CAR. People think just because i talk about tesla that i'm all about tesla. I'm not. And my cars and my future deposits (stingray and z06) is proof i still love the ICE. But there is nothing wrong with loving EV's as well. Which is probably why the thread went off topic.
I was just pointing out the M3 or M4 comps do not have 503hp. Maybe i was exaggerating with closer to 600hp but definitely 550hp crank. I don't need to throw the car on the dyno because i'm not chasing power numbers nor am i going to modify this car at all. The car goes for tints next weekend and i may lower the car. Car already came with the michelin pilot 4S tires so i won the tire lottery in that regard. The car doesn't need anything else. BMW knocked it out of the park with these G80/G82 cars.
The base Stingray is the fastest. 0-60 and top speed. It is the lightest. 5hp is not going to make any difference and the final drive won't either. The Z06 is going to be a beast. Fact.
For those that want bragging rights in 0-60 top, end and 1/4 mile buy the base car with no options and you will be very happy, the same with the base C8.
For the few that actually will regularly track the car you should go for the 7 option., But only if you are a very good driver. When I instructed weekend events, a good driver can take out a competitive car and knock the socks off an average driver on a road course.
So if you can throw away your ego for a moment and admit you are an average or a little on both sides, don't be surprised to be regularly trashed against a base car piloted by someone with more skills than yours.
I have been in cars with average drivers, that owned high HP cars. It scared the hell out of me. Seems they could never grasp the concept that the most important factor is the driver and not car.
Reminds of the lady that had more laps at the ring than any other driver. She took a mini van tore out the interior of the van and ran times that most drivers would be happy with.
Like my base C8, my Z will be lean and mean, much as the old days when I grew up in the 60s As long as it had a 4 speed, posi, dual exhaust 4b carb and an AM radio, I was happy. My Z will have the non option FM included radio that has 4 less speakers. Hell I don't want anything to interfere with the sound of this beast and speakers just add weight.
^^^I think as we approach the last leg of peak ICE, we should just be grateful we got another V8 in a z06.
Look at MB, they put a hybrid 4cyl in the C63. Everyone is going smaller engines and turbo with hybrid tech. Others are just flat out going straight to EV.
And we're complaining about an NA V8 that sounds like a ferrari that GM claims will do 10.6 @ 131?
LOL the nerve of some people i swear. Talk about being spoiled.
^^^I think as we approach the last leg of peak ICE, we should just be grateful we got another V8 in a z06.
Look at MB, they put a hybrid 4cyl in the C63. Everyone is going smaller engines and turbo with hybrid tech. Others are just flat out going straight to EV.
And we're complaining about an NA V8 that sounds like a ferrari that GM claims will do 10.6 @ 131?
LOL the nerve of some people i swear. Talk about being spoiled.
The LT6 is an amazing accomplishment that the Corvette Team should be proud of, and we all should be grateful for.
However, we would have been spoiled if GM kept a forced induction powerplant (turbos) at the $ 8x,000 price point for the torque, low/mid rpm power, and future expandability.
If the C8 requires stepping up to a ZR1 price point for forced induction, than everyone other than the hardcore track rats got absolutely screwed with the LT6's 400ft lbs, pathetic low/mid rpm power (street), and absolutely no potential for future power addition.
Only if GM offers a twin turbo (LT5 or 4-valve cross plane crank) at a $ 8x,000 price point, will everyone truly be happy
I do not want a ZR1 pricetag and limited production for my Corvette, and I want to literally strangle every moron that suggests I spend $120k+ for the forced induction Corvette that GM just recently offered in the C7 for $78,995
GM please give us a twin turbo V8 powerplant at a C7 ZO6 pricepoint.
The LT6 is an amazing accomplishment that the Corvette Team should be proud of, and we all should be grateful for.
However, we would have been spoiled if GM kept a forced induction powerplant (turbos) at the $ 8x,000 price point for the torque, low/mid rpm power, and future expandability.
If the C8 requires stepping up to a ZR1 price point for forced induction, than everyone other than the hardcore track rats got absolutely screwed with the LT6's 400ft lbs, pathetic low/mid rpm power (street), and absolutely no potential for future power addition.
Only if GM offers a twin turbo (LT5 or 4-valve cross plane crank) at a $ 8x,000 price point, will everyone truly be happy
I do not want a ZR1 pricetag and limited production for my Corvette, and I want to literally strangle every moron that suggests I spend $120k+ for the forced induction Corvette that GM just recently offered in the C7 for $78,995
GM please give us a twin turbo powerplant at a C7 ZO6 pricepoint.
I'm waiting for a C8 ZR1, but meantime I will be happy with the Z8 Z06 as well.
The LT6 is an amazing accomplishment that the Corvette Team should be proud of, and we all should be grateful for.
However, we would have been spoiled if GM kept a forced induction powerplant (turbos) at the $ 8x,000 price point for the torque, low/mid rpm power, and future expandability.
If the C8 requires stepping up to a ZR1 price point for forced induction, than everyone other than the hardcore track rats got absolutely screwed with the LT6's 400ft lbs, pathetic low/mid rpm power (street), and absolutely no potential for future power addition.
Only if GM offers a twin turbo (LT5 or 4-valve cross plane crank) at a $ 8x,000 price point, will everyone truly be happy
I do not want a ZR1 pricetag and limited production for my Corvette, and I want to literally strangle every moron that suggests I spend $120k+ for the forced induction Corvette that GM just recently offered in the C7 for $78,995
GM please give us a twin turbo powerplant at a C7 ZO6 pricepoint.
I disagree with the most part. I keep saying this, probably for almost 2 years now. This C8 generation is NOTHING like the past.
People are really going to be surprised at the z06 MSRP when they finally announce it. Not saying it's going to be like 150k starting but they need to leave room for the hybrid LT2 variant, if it's going to be slotted in the middle of the stingray and the z06.
If the hybrid LT2 variant ends up costing more than the z06, expect that car to be stuffed with tech and street potential that would exceed the c8z and even the C7Z (not sure on the C7ZR).
I already said it in the past. There is ZERO chance GM putting out a monster TT C8 with the thoughts of 700+hp that costs 80k. Not a chance. And i was already proven right with the z06 being NA.
The TT hopes are only with the ZR1. But expect to pay 140k starting.
I'm waiting for a C8 ZR1, but meantime I will be happy with the Z8 Z06 as well.
Until you drive something else that makes real power for the street, or get humiliated by a turbo car or a lowly hellcat.
The C8Z is obviously engineered for the road course, while Corvettes spend 99.999% of their time on the street and highway.
05-07-2022, 10:53 AM
