Best AWD / 4WD conversion for MK1 Seat Leon [track car] ?
Discussion
AFAIK from my days as a TT owner, the standard Haldex system is not really a true AWD.
For 90% of the time, it's FWD and uses a viscous coupling to detect slip - only then diverting the drive to the rear.
Many people on the TT-forum used the haldex controller when doing big turbo builds with a lot of success.
I think the Torsen system (as fitted to A4s and A6s) is permanent AWD and a better bet, but have no ideas how you'd go about making it fit.
For 90% of the time, it's FWD and uses a viscous coupling to detect slip - only then diverting the drive to the rear.
Many people on the TT-forum used the haldex controller when doing big turbo builds with a lot of success.
I think the Torsen system (as fitted to A4s and A6s) is permanent AWD and a better bet, but have no ideas how you'd go about making it fit.
The quattro system as fitted to the B5 S4 and RS4 works very well. I've had both.
I will stand corrected if wrong, but pretty sure it's 50:50 split front & rear, but will trasfer power to front or rear were it's needed to 33:66 or 66:33 (could be bothered with fractions, so 1 short). I know of a couple of b5 RS4's being broken, but there are a few S4 also being broken. Any of the 2.7 bi-turbo should have the bits you need. No idea how or if it would fit, but anything can be done if you are clever and patient enough. Good luck.
I will stand corrected if wrong, but pretty sure it's 50:50 split front & rear, but will trasfer power to front or rear were it's needed to 33:66 or 66:33 (could be bothered with fractions, so 1 short). I know of a couple of b5 RS4's being broken, but there are a few S4 also being broken. Any of the 2.7 bi-turbo should have the bits you need. No idea how or if it would fit, but anything can be done if you are clever and patient enough. Good luck.
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