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We get a lot of question each day about the Öhlins DFV Rear preload. Öhlinsrecommends 2mm of preload on all their kits which for the most part is perfect, however through years of developing the DFV on our shop s2000 we have found that it is far from ideal on the rear of s2000. The s2000 has a very short rear damper and from the factory even comes with a piggyback reservoir due to this constraint. Because of the small space available, the standard DFV kit has limited rear damper stroke. This isn't necessarily a huge concern as long as the person setting up your suspension realizes and accounts for it.
We will happily provide complete setup consultation for our customers but due to the number of requests we get we simply can't help every single person with the level of detail that we help our customers. We do offer the consultation as a stand alone service here.
That said we do want to help the community make sure they get the most out of their DFVs. They are fantastic dampers and we want to make sure everyone gets the most possible performance out of them.
To help out, we have made a graph of maximum obtainable ride height drop in inches vs spring rate and preload. Green squares are the approximate range of preload we recommend for the rear. Yellow is outside of the recommend range but acceptable. Red is not recommended and should be avoided in our opinion. Squares with Black X's there is bumpstop contact while the car is at rest and should absolutely be avoided.
These our simply our general recommendations and are different for every situation, if you are interested in our damper consultation we will go into much more depth.
If you want to be lower than the standard DFVs allow, then please check out our single piece rear lower mount. With the mount you can go 2" lower than these values to be able to obtain the correct preload and ride height without compromise. Also you can go 1.5" higher than these values which is higher than stock regardless of spring rate or preload.
Yes maximum drop from stock in inches. Every car will be slightly different as the stock ride height is slightly different through the years but this should get you pretty close.
I assume green is a near even ratio of compression and rebound travel? Have you guys measured the total rear damper travel range? Sorry for all the questions, just interested.
12-07-2016, 10:20 AM
Öhlins DFV Recommended Pre-load vs Ride height - Helpful Chart Inside!
Thats what we are here for!
