Front one-way vs. Center one-way vs. Front diff.
Some of this stuff may be a little different for you guys as I am explaining for the conditions I have raced under in America, they might be different for you guys due to your vastly different track conditions.
A front one-way acts like a solid axle (Spool) on throttle (no diff action), this is going to make a car push on throttle as the wheels have to go the same speed but travel different distances, therefore the front wheels are not going to want to turn (push). That is why touring cars can get away with running a Spool one-way, because they are on a high traction surface.
The center one-way is what will work the best as it gives you the best of both worlds. You can use the brakes to swing the rear end around if necessary (tight 180 degree corner), or drive through the corner because you still have a front diff (all other corners).
A front diff would act much like the center one-way except it will give you front brakes as well so if the track your at has any 180 degree turns and your running the front diff, if you don't slow down early (which is going to set you up to get passed) and drive through the corner, you will do one of two things: A. You will hit the brakes and try to turn at the same time, causing your car to push worse than snowplow, or B. You will end up going into the corner with too much speed and taking a wide line (also setting yourself up to get passed).
Personally I would recommend the center one-way, it will work the best in most situations. Not to mention the designers over at Hot Bodies were smart and designed the center one-way so that you can install a pin to change it back to a solid shaft, giving you the ability to go from center one-way with a front diff, to a solid shaft with a front diff, in a matter of seconds, basically giving you two completely different handling cars with one adjustment that takes a second to change and a second to change back.
Good Luck,
Chris
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