SPD Tuning Service
Page down for detailed information. Suggestions, comments and questions are always welcome.
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SPD Tuning Service Page down for detailed information. Suggestions, comments and questions are always welcome.
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Several owners have asked if a 20mm is great, why not use a 22mm instead? The issue is two fold. One, as mentioned in "anti-roll bar concepts", we are only changing the proportion of front bar to back bar and a 19/22 set up is down right squirrelly to drive. Two, very stiff bars and soft to medium springs require a much stiffer shock setup for good handling. The way too stiff bars will become so powerful under cornering that if you loose it and you have to unload the chassis, the stiff bars will tend to create a real tank slapper (swerving left to right in the middle of a corner) that few drivers ever recover from. You go off to the left or the right depending on several factors not under your control anymore, so why spend more space explaining it? Be prudent, if using stock spring rates or "fast road" setups. Subaru engineers felt the 19/18 and 19/20 combinations are the best and Prodrive agrees. If running road race suspension in the 400//300 range, big bars on the order of 21/22 will work, but your kidneys won't if you try to drive the setup on the street. |
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Send mail to mshields@spdusa.com with
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