05-08-2010, 11:51 AM
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#4 (permalink)
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Enthusiast Member
Join Date: Apr 2010
Location: St. Louis
Posts: 424
Drives: 2011 Evo X MR
Rep Power: 17
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Quote:
Originally Posted by Who Knows
Everyone here knows how noisey these cars are---I changed all of the following at the same time: 15mm spacers front, 20mm spacers rear, Eibach
springs, Adjustible upper front control arms, rear adjustable camber arms. I really, really like how the car looks and handles/ much better than stock but the neatest thing about all of this is my car is at least 25% or really closer to 35% more quiet---guys it's as different as day and night!!! I noticed the new Eibach springs have much larger coils and the weight of them is at least twice of the stock springs---maybe there is some metal harmonics going on
with the stock stuff, could be the upper control arm is acting like a tuning fork I really don't know. My car is completely different and in a very good
way--just thought I would pass this information on
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You have a differently sized contact patch between the road and your tire now with all of the suspension geometry changes. Have you done an alignment? Are you in or out of spec? The contact patch size will determine most of your road noise.
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