Search: Posts Made By: B Stead
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10-17-2023, 10:32 PM
Replies: 27
Views: 2,911
Posted By B Stead

The understeer of a C8 is due to the suspension...

The understeer of a C8 is due to the suspension pushing against suspension or shock bushings that have give.

One fix is stiffer suspension bushings while another fix is stiffer springs for less...
01-17-2023, 11:34 AM
Replies: 25
Views: 1,888
Posted By B Stead

I wouldn't bother with regenerative braking....

I wouldn't bother with regenerative braking. Well, go find a dead-man's pedal on a race car.

I would just charge the batteries with the internal-combustion-engine.

In fact, who believes that...
12-16-2022, 11:48 PM
Replies: 92
Views: 4,838
Posted By B Stead

One way to improve a C4 for track use is to weld...

One way to improve a C4 for track use is to weld the frame junctions. But the article didn't say that
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12-16-2022, 09:57 PM
Replies: 36
Views: 14,256
Posted By B Stead

The inside rear tire holding negative camber in...

The inside rear tire holding negative camber in droop indicates insufficient rear droop.

With a sports car having less suspension travel than a sedan then insufficient rear droop can be caused by...
12-09-2022, 12:35 AM
Replies: 16
Views: 3,693
Posted By B Stead

Most sports cars reduce rear toe in bump to give...

Most sports cars reduce rear toe in bump to give the car a feel in ordinary driving. So a track setup should have toe-in at the rear.

Or fix the situation with stiffer springs for less suspension...
10-26-2022, 06:39 PM
Replies: 138
Views: 11,482
Posted By B Stead

Cost effective mods: Stiffer, shorter...

Cost effective mods:

Stiffer, shorter springs on stock shocks but don't reduce preload.

And, of course, swaybars.

Also, an AGM battery but smaller in size. For instance, Braille has a 21...
10-26-2022, 06:22 PM
Replies: 7
Views: 685
Posted By B Stead

For general fundamentals of tire tuning, google...

For general fundamentals of tire tuning, google for "Goodrich g-Force Control Manual"
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04-06-2022, 05:28 PM
Replies: 39
Views: 12,357
Posted By B Stead

Most production sports cars are designed to...

Most production sports cars are designed to reduce rear toe-in in bump to make a feel in ordinary driving. So the correct track set-up would be maximum rear toe-in within the recommended range. Or...
03-16-2021, 04:39 PM
Replies: 394
Views: 18,801
Posted By B Stead

The overall group is taking the wrong approach...

The overall group is taking the wrong approach against the development of green vehicles.

We should be telling politicians not that we will not accept different kinds of vehicles but telling...
03-15-2021, 06:14 PM
Replies: 394
Views: 18,801
Posted By B Stead

Well, the politicians bragged about...

Well, the politicians bragged about battery-powered electric-vehicles using existing infrastructure while hydrogen-fuel-cell vehicles would require new infrastructure. But now the politicians are...
03-15-2021, 06:01 PM
Replies: 110
Views: 17,733
Posted By B Stead

Here is a link that includes AFM removal: ...

Here is a link that includes AFM removal:

https://www.corvetteforum.com/forums/c8-tech-performance/4484467-performance-parts.html

The C8 LT2 engine is a Generation V LS engine but check with...
03-14-2021, 06:27 PM
Replies: 394
Views: 18,801
Posted By B Stead

Well, compressed natural-gas is about 3000 psi....

Well, compressed natural-gas is about 3000 psi. Compressed hydrogen is about 5000 psi and makes about 1 kg of hydrogen that is equal to about 1 gallon of gasoline in energy. Now hydrogen doesn't leak...
03-14-2021, 04:27 PM
Replies: 394
Views: 18,801
Posted By B Stead

The problem is, for instance, that the Porsche...

The problem is, for instance, that the Porsche Taycan weighs 4566 pounds to 5119 pounds. Then the price is $80000 to about $151000.

The question to ask is what are we going to do with...
01-07-2021, 06:29 PM
Replies: 60
Views: 9,165
Posted By B Stead

If boosted, I would go with turbocharging instead...

If boosted, I would go with turbocharging instead of supercharging. A supercharger running off the engine consumes about 30% of the power that it adds. The C7 Z06 drag-racer did make good use of...
01-07-2021, 05:38 PM
Replies: 60
Views: 9,165
Posted By B Stead

Gorilla Glass doesn't break or scratch even when...

Gorilla Glass doesn't break or scratch even when hit with a brick. Also, it doesn't weigh very much.

Carbon-fiber bodywork has new manufacturing techniques that are more like injection-molding and...
01-07-2021, 03:36 PM
Replies: 60
Views: 9,165
Posted By B Stead

One country after another and one state after...

One country after another and one state after another is making internal combustion engines illegal beginning in the year 2035.

The Z06 needs less weight and a smaller but higher revving engine.
...
01-06-2021, 07:16 PM
Replies: 4
Views: 1,751
Posted By B Stead

Performance Parts

Here are some performance parts:

AFM hardware delete
https://store.katechengines.com/gen-5-afm-delete-valley-cover-p440.aspx
...
01-03-2021, 01:04 PM
Replies: 33
Views: 4,273
Posted By B Stead

If the aftermarket exhaust should be popping too...

If the aftermarket exhaust should be popping too much, or even shooting fire, then here is a device that might be able to tune for the exhaust:

https://www.urdusa.com/urd-maf-sensor-calibrator/
...
01-01-2021, 08:49 PM
Replies: 25
Views: 8,004
Posted By B Stead

There is a tire tuning manual on google that...

There is a tire tuning manual on google that includes general principals.

Search for: goodrich g-force control manual

A hyper-link to tire-rack works from google but sometimes doesn't work from...
01-01-2021, 02:24 PM
Replies: 21
Views: 4,838
Posted By B Stead

It's suspected that the C8 can push against the...

It's suspected that the C8 can push against the bump stops at maximum cornering. It needs stiffer springs, or stiffer swaybars, or no lowering, or shorter bump stops, or delrin suspension bushings in...
12-26-2020, 10:59 AM
Replies: 13
Views: 3,257
Posted By B Stead

Well, 20mm more outward wheel offset requires 3...

Well, 20mm more outward wheel offset requires 3 degrees of negative camber and OEM tire sizes. But 3 degrees of negative camber will probably not be reached without 1.25" lowering. However, 1.25"...
12-23-2020, 01:27 PM
Replies: 8
Views: 1,165
Posted By B Stead

Yeah, I think I would combine the Range device...

Yeah, I think I would combine the Range device with the AFM hardware delete and replacement
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12-23-2020, 11:03 AM
Replies: 8
Views: 1,165
Posted By B Stead

I didn't say not to replace the AFM parts taken...

I didn't say not to replace the AFM parts taken off but let the link explain the system. I did suggest that tuning might not be necessary since the parts that would receive electronic signals would...
12-23-2020, 08:13 AM
Replies: 8
Views: 1,165
Posted By B Stead

Here is a related link: ...

Here is a related link:

https://store.katechengines.com/gen-5-afm-delete-valley-cover-p440.aspx

I suppose just take the parts off the car and then electronic signals can't reach them
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12-23-2020, 07:44 AM
Replies: 31
Views: 9,156
Posted By B Stead

There are published notes that say that a 20mm...

There are published notes that say that a 20mm increase in outward wheel offset requires 3 degrees of negative camber and OEM tire sizes. Then 3 degrees of negative camber will probably not be...
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