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Old 11-10-2009, 12:57 AM   #7
Geezer
Focus Fanatic
 
Join Date: Oct 2003
Fan#: 1427
Location: Westminster, CO
What I Drive: 99 miata, 05Mazda6, 09GTI, 12Imprez

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You're correct in that a standard Tein coilover spring and shock will not be good for rally. The first thing you'll need is a "non-lowering" spring that is about 1.5 times firmer than stock (this is a ballpark starting number). They should have as few coils as possible to prevent binding and provide maximum travel. The most readily available are Eibach race series springs. They come in a multitude of sizes, lengths, spring rates and diameters. As you're very aware, its very hard to find shocks for a Focus. For rally a monotube shock/strut is preferred. They tend to be stronger and dissipate heat better. The fact is that there just aren't many available for this car off the shelf. DMS is considered one of the better rally shocks but they are very pricey. I have seen both KYB GR2's and AGX's used with reasonable success as well as Tokico Illuminas and Bilstein HD's (one of the few reasonably priced monotube shocks). These are cheap enough that you can justify having a full backup set when compared to Hotbits, Oleins, DMS, Tein Dirta, etc. If you can't afford a spare set (of even cheap shocks) you could already be over your head. Spares are absolutely necessary and are needed to finish most rallies, so budget for them.
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