Practical switching between 2H and 4H?

[MBelton]

“Quite a few years ago, in a racing series like Trans Am or IMSA that I think it was Audi began using AWD. They dominated the series and eventually AWD was outlawed. Of course, there was acceleration in corners but it indicates AWD and probably 4WD has an advantage. I am sure a some has also to do with being able to use more power in straight line.”

This was the IMSA Audi 90 Quattro. They were absolute monsters!

%100 this system increases grip under acceleration through corners. So much so that they deemed it an unfair advantage.

There is a good reason ALL rally cars at the top levels are awd systems of some sort, ever since the introduction of the quattro. The only car that wasn’t awd that ever beat one was the Lancia 037. And that only happened twice if I remember right.

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[Techun]

“Quite a few years ago, in a racing series like Trans Am or IMSA that I think it was Audi began using AWD. They dominated the series and eventually AWD was outlawed. Of course, there was acceleration in corners but it indicates AWD and probably 4WD has an advantage. I am sure a some has also to do with being able to use more power in straight line.”

This was the IMSA Audi 90 Quattro. They were absolute monsters!

%100 this system increases grip under acceleration through corners. So much so that they deemed it an unfair advantage.

There is a good reason ALL rally cars at the top levels are awd systems of some sort, ever since the introduction of the quattro. The only car that wasn’t awd that ever beat one was the Lancia 037. And that only happened twice if I remember right.

If you're going to try and accelerate with 500+HP on dirt, you had better be using all 4 wheels!