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Old 10-15-2017, 07:18 PM   #7 (permalink)
twj347
EcoModding Lurker
 
Join Date: Dec 2008
Location: Western Canada
Posts: 46

2015 WRX - '15 Subaru WRX
90 day: 30.63 mpg (US)

2008 Suzuki SV650SA - '08 Suzuki SV650SA
90 day: 60.81 mpg (US)
Thanks: 1
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Quote:
Originally Posted by California98Civic View Post
Don't lower it more than one or 2 inches. You'll regret that as you go over bumps. A very small air dam in addition to the lowering would help you, most likely.
Agreed. Also, I'm not sure how the suspension geometry and adjustment ability is on those cars, but usually lowering springs will increase negative camber. If you don't have any camber adjustment available on the OEM suspension, and you lower it too much, you'll have too much negative camber, which will increase wear on the inside edge of your tires. It will also reduce traction and braking grip (but may increase cornering grip if it's not too extreme). You'll probably need to buy camber plates if you lower it a lot, which will enable you to adjust the camber.

Your stock shocks will probably be outside of their ideal movement range as well, increasing the wear on the shocks if you go too low.

The new springs will need to be significantly stiffer than the stock springs so that you're not hitting the bump stops. The lower you go, the stiffer they'll need to be.
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