Öhlins DFV Recommended Pre-load vs Ride height - Helpful Chart Inside!
#11
Can't give away every secret but yeah basically. Softer springs need a bit more compression travel than stiffer ones so they shift a bit towards more compression travel. Stiffer springs need less compression travel and as such get extra rebound travel. The rear DFV has 52mm of pre-bumpstop stroke and has 80mm of total available stroke.
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#12
That's the goal! We love helping out the community with setup advice but if we spent enough time to answer all the questions we are asked we wouldn't have time to make cool parts. We figured this was the best way to help the most people as efficiently as possible.
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SAKEBOMB GARAGE > Click here to contact Us
Check some of our most popular products for the S2000:
- Ohlins DFV Billet Lower Mount
- Rear BBK RX-8 Caliper Conversion
- Front BBK AP Competition
- Setrab Oil Cooler Kit
SAKEBOMB GARAGE > Click here to contact Us
Check some of our most popular products for the S2000:
- Ohlins DFV Billet Lower Mount
- Rear BBK RX-8 Caliper Conversion
- Front BBK AP Competition
- Setrab Oil Cooler Kit
#13
Based on this graph bumpstop contact happens at 1.24" of drop. So if you look at a given cell, 1.24 - (the cells magnitude) is the pre-bumpstop compression stroke available at the wheel. Damper travel is 0.6 * wheel travel.
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SAKEBOMB GARAGE > Click here to contact Us
Check some of our most popular products for the S2000:
- Ohlins DFV Billet Lower Mount
- Rear BBK RX-8 Caliper Conversion
- Front BBK AP Competition
- Setrab Oil Cooler Kit
SAKEBOMB GARAGE > Click here to contact Us
Check some of our most popular products for the S2000:
- Ohlins DFV Billet Lower Mount
- Rear BBK RX-8 Caliper Conversion
- Front BBK AP Competition
- Setrab Oil Cooler Kit
#14
dang sounds like awfully short amount of travel.
#15
As Sakebomb mentioned above: "Damper travel is 0.6 * wheel travel." So important to keep that in mind. With the car lower (and the wheel/tire moved more into the wheel well) you can only get so much wheel travel before the tire comes into contact with the body. You definitely don't want your tire to be your bump stop.
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SakeBomb Garage (12-14-2016)
#16
SBG - thanks for the informative posts. Just to clarify, the green boxes and "maximum ride height change" inside each cell is limited by Ohlins lower damper mount and spring length correct? I am saying this because, I would expect a higher rated spring would reduce damper travel (while also reducing static compression) and therefore allow an overall lower ride height. Therefore, a large benefit of stiffer springs is the ability to be set the car at a lower static height. Correct?
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SakeBomb Garage (12-14-2016)
#17
Yes the values are the lowest the damper is capable of going. In general the stiffer your springs the lower you are safe to go because there is less vertical movement due to the stiffer ride. However because the spring compresses less from the weight of the car the ride height on stiffer springs cannot be lowered as much for a given set of hardware. This is were our billet lower mount comes into play, because the design is more compact you re-gain the adjustment that is required.
__________________
SAKEBOMB GARAGE > Click here to contact Us
Check some of our most popular products for the S2000:
- Ohlins DFV Billet Lower Mount
- Rear BBK RX-8 Caliper Conversion
- Front BBK AP Competition
- Setrab Oil Cooler Kit
SAKEBOMB GARAGE > Click here to contact Us
Check some of our most popular products for the S2000:
- Ohlins DFV Billet Lower Mount
- Rear BBK RX-8 Caliper Conversion
- Front BBK AP Competition
- Setrab Oil Cooler Kit
#18
Would stiffer sway bars affect the recommended preload?
I'm going to try and ad some since I'm only at 2mm with the 8kg rear springs.
But I also got Tanabe sways front and rear which I think are a lot stiffer than stock and I'm thinking this should have some affect as well.
I'm going to try and ad some since I'm only at 2mm with the 8kg rear springs.
But I also got Tanabe sways front and rear which I think are a lot stiffer than stock and I'm thinking this should have some affect as well.
#19
Would stiffer sway bars affect the recommended preload?
I'm going to try and ad some since I'm only at 2mm with the 8kg rear springs.
But I also got Tanabe sways front and rear which I think are a lot stiffer than stock and I'm thinking this should have some affect as well.
I'm going to try and ad some since I'm only at 2mm with the 8kg rear springs.
But I also got Tanabe sways front and rear which I think are a lot stiffer than stock and I'm thinking this should have some affect as well.
__________________
SAKEBOMB GARAGE > Click here to contact Us
Check some of our most popular products for the S2000:
- Ohlins DFV Billet Lower Mount
- Rear BBK RX-8 Caliper Conversion
- Front BBK AP Competition
- Setrab Oil Cooler Kit
SAKEBOMB GARAGE > Click here to contact Us
Check some of our most popular products for the S2000:
- Ohlins DFV Billet Lower Mount
- Rear BBK RX-8 Caliper Conversion
- Front BBK AP Competition
- Setrab Oil Cooler Kit
The following users liked this post:
haga888 (12-15-2016)
#20
SBG - thanks for the informative posts. Just to clarify, the green boxes and "maximum ride height change" inside each cell is limited by Ohlins lower damper mount and spring length correct? I am saying this because, I would expect a higher rated spring would reduce damper travel (while also reducing static compression) and therefore allow an overall lower ride height. Therefore, a large benefit of stiffer springs is the ability to be set the car at a lower static height. Correct?