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Search: Posts Made By: niels007
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Forum: C7 General Discussion
08-18-2013, 05:56 PM
Replies: 157
Views: 7,395
Posted By niels007

In a straight line, it doesn't make a lot of...

In a straight line, it doesn't make a lot of difference.

Default gears versus tightly spaced 6 gears with fast but not impossible shifts, I get to 180mph about 1 second faster with the more 'race...
Forum: C7 General Discussion
08-18-2013, 01:40 PM
Replies: 157
Views: 7,395
Posted By niels007

Wow, many posts! And even a couple who see my...

Wow, many posts! And even a couple who see my point, I was beginning to doubt that would ever happen! :)

Having closer gear ratios would certainly not lead to extra 'mid corner shifts' in circuit...
Forum: C7 General Discussion
08-17-2013, 07:58 AM
Replies: 157
Views: 7,395
Posted By niels007

This is the approx. gearing chart of the C6 GS,...

This is the approx. gearing chart of the C6 GS, C6 Z51 (up to 6th gear) and the new C7 which only adds a 7th gear.

You can see that each gear you go up has to cover a greater speed before you...
Forum: C7 General Discussion
08-16-2013, 09:52 PM
Replies: 157
Views: 7,395
Posted By niels007

The purpose is to show the somewhat odd decision...

The purpose is to show the somewhat odd decision at Chevy to keep the gearbox of the C7 Z51 exactly the same as the C6 Z51 / GS, only add *another* super tall gear. It had one already!

It is a...
Forum: C7 General Discussion
08-16-2013, 05:30 PM
Replies: 157
Views: 7,395
Posted By niels007

There are many reasons why a Corvette Forum isn't...

There are many reasons why a Corvette Forum isn't the place to be critical about the product, I understand and I don't mind at all getting a healthy dose of flaming.. :cheers:

I'm into driving...
Forum: C7 General Discussion
08-16-2013, 11:17 AM
Replies: 157
Views: 7,395
Posted By niels007

I don't think anyone is against a fuel saving top...

I don't think anyone is against a fuel saving top gear.

Is the law so weird that you need a super tall 6th AND 7th gear? Again, completely understand a super tall 7th, but why not spread out the...
Forum: C7 General Discussion
08-16-2013, 09:25 AM
Replies: 157
Views: 7,395
Posted By niels007

Amazing car, amazing value, absolutely. But on a...

Amazing car, amazing value, absolutely. But on a track day, the gears you're using are the same as the C6. The Z51 gears are great off the line but as the gaps grow between the gears, not so great on...
Forum: C7 General Discussion
08-16-2013, 09:04 AM
Replies: 157
Views: 7,395
Posted By niels007

So it is still actually a 5 speed, not 7!

I'm sure this has been posted / discussed, I couldn't quickly find it..

Have you seen the gear ratios? It is still a 5 speed gearbox!

C6 Z51:
=======
1st: 2.97
2nd: 2.07
3rd: 1.43
4th: 1
Forum: C6 Tech/Performance
07-15-2012, 08:03 AM
Replies: 0
Views: 423
Posted By niels007

ZR1 / Z07 suspension info wanted (And a Nurburgring simulator video!)

Hello!

I have some unlikely to be answered questions, but I'm asking anyway! :hide: If there is a tech head lurking around anywhere, it could be on this forum.. :yesnod:

There is a table...
Forum: C6 Corvette General Discussion
06-16-2011, 05:48 AM
Replies: 5
Views: 824
Posted By niels007

Thanks for the replies. With the Z51 no...

Thanks for the replies.

With the Z51 no longer an upgrade choice for the Coupe, it seems there is no longer a suspension / tire upgrade available for the coupe?

The Z51 brought different...
Forum: C6 Corvette General Discussion
06-12-2011, 09:05 AM
Replies: 5
Views: 824
Posted By niels007

2012 model line up info?

Hey guys,

Has anyone found a more or less trustworthy list of c6 models for 2012? I know the Z06 and ZR1 will get optional Michelin cup tires, and it seems there will be a ZR1 version with economy...
Forum: C6 Tech/Performance
10-21-2009, 08:04 AM
Replies: 1
Views: 4,847
Posted By niels007

but how *high* is the center of gravity in a C6?

Hey Guys,

Youtube gave me this for the old C4, a staggeringly (almost impossibly) low center of gravity height of about 15'' off the ground. Check at 7:50 in this video:
...
Forum: C6 Corvette ZR1 & Z06
07-24-2009, 03:16 PM
Replies: 12
Views: 4,336
Posted By niels007

Thanks for the replies! It is a rather sad...

Thanks for the replies!

It is a rather sad story that I had a contact at Goodyear who slipped me detailed info on the tires. After a few non replied mails it turned out he died of cancer :(. He...
Forum: C6 Corvette ZR1 & Z06
07-23-2009, 08:24 AM
Replies: 12
Views: 4,336
Posted By niels007

There is one thing that could happen though, if...

There is one thing that could happen though, if you flat shift, the engine will be near 7000rpm as you engage 2nd gear. partly due to inertia you can see a larger acceleration as the revs then drop...
Forum: C6 Corvette ZR1 & Z06
07-22-2009, 09:09 AM
Replies: 12
Views: 4,336
Posted By niels007

The secrets to fast 0-60 and 1/4 mile?

Heya guys,

I'm trying to sort the 1/4 mile and 0..60 in the rFactor driving simulator version of the C6 Z06. In the simulation you can do lots of attempts without frying the clutch or breaking...
Forum: C6 Corvette ZR1 & Z06
08-14-2008, 01:13 PM
Replies: 0
Views: 595
Posted By niels007

Who can do this 'coast down' time test for me? (for use in a z06 computer simulation)

Hi folks,

Still working on the Z06 and C51, available for free download if you own a copy of rFactor the racing simulation for pc. In an attempt to get figures as accurate as possible, the effect...
Forum: C6 Corvette ZR1 & Z06
08-11-2008, 01:40 PM
Replies: 8
Views: 1,753
Posted By niels007

Captain454, though it seemed to me you where on...

Captain454, though it seemed to me you where on the gas at the time the back stepped out a bit? Mind you at those low revs you'd not expect that, though Allan's explanation could be spot on. :)

I...
Forum: C6 Corvette ZR1 & Z06
08-10-2008, 12:53 PM
Replies: 8
Views: 1,753
Posted By niels007

Did your Z06 ever surprise you with lift off oversteer on a racetrack?

Hi (real) drivers!

Especially those who take their z06 to trackdays; to what sort of a degree can it oversteer on lift off? I'm interested to know in what situations, if at all, a z06 can lift...
Forum: C6 Tech/Performance
08-10-2008, 10:00 AM
Replies: 0
Views: 458
Posted By niels007

Dyno chart including engine braking torque?

Hey folks,

Lots of dyno charts around; plenty of scary horses put on the rollers!

But what if you let go of the throttle after a run from 7000 back to idle rpm. Are there dynos that capture...
Forum: C6 Corvette ZR1 & Z06
04-18-2008, 06:04 PM
Replies: 6
Views: 2,843
Posted By niels007

Aha! Thanks for that! Now guess what this means.....

Aha! Thanks for that! Now guess what this means.. That whole ''lift reduction'' thing mentioned in the Z06 faq doesn't mean relative to a base C6, its absolute.. for the entire car! ''Lift...
Forum: C6 Corvette ZR1 & Z06
04-18-2008, 07:15 AM
Replies: 6
Views: 2,843
Posted By niels007

C6 and Z06 absolute aerodynamic lift values (perhaps for FAQ update?)

In the Z06 faq:


Everett Ogilvie then said:


Assuming this is correct, we can find out the actual front and rear axle lift since the values for the base C6 are known, the Germans tested it at...
Forum: C6 Corvette ZR1 & Z06
03-17-2008, 07:54 AM
Replies: 8
Views: 524
Posted By niels007

Thanks for the replies people! I've sent a few...

Thanks for the replies people! I've sent a few PMs!

:cool:
Forum: C6 Corvette ZR1 & Z06
03-15-2008, 12:15 PM
Replies: 8
Views: 524
Posted By niels007

Plenty of youtube videos but there are a couple...

Plenty of youtube videos but there are a couple of catches (if that is plural...). Firstly youtube videos have mono sound at 64kbps datarate which is pretty poor. Secondly, as we need a smooth loop...
Forum: C6 Corvette ZR1 & Z06
03-15-2008, 09:25 AM
Replies: 8
Views: 524
Posted By niels007

Do you have a Z06 and decent audio recording equipment? Read on! :)

Hi guys,

After the success of the C6 which became ''Road car of the year'' for the driving simulation rFactor, we are now making the Z06 as well!
...
Forum: C6 Tech/Performance
05-26-2007, 09:16 PM
Replies: 6
Views: 441
Posted By niels007

It has improved much, here are my ramblings from...

It has improved much, here are my ramblings from another forum, note the funny ''short update'' before the LONG update starts.. :)

Another short update from the physics man..

Thanks to the hard...
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