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Project EP3 Civic Si: Why the Suspension Sucks and How to Fix It!

 

Since us MotoIQ nerds have a heightened perception of what is "an acceptable" level of handling in a car, we realize that we bit off quite a bit to chew with (arguably) Honda's worst handling Civic- the EP3 generation. What have we done to correct it and did it work? Watch to find out, with MotoIQ's chassis engineer, Mike Kojima, and test driver, Karla Pestotnik!

 

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Comments
warmmilk
warmmilklink
Tuesday, January 23, 2018 12:12 PM
what pad do you guys have in the front wilwood calipers?
Mike Kojima
Mike Kojimalink
Tuesday, January 23, 2018 9:12 PM
Poly Matrix E
warmmilk
warmmilklink
Wednesday, January 24, 2018 1:44 PM
how are they on compressiblity? I got my Wilwood kit with BP-10 and they were absurdly soft, felt like I had air in the system... and that went away when I switched to ST-43 race pads. I'd like to go to a combo street/race pad if I can get away with it, which might be possible on my light slow miata with big brakes...
Mike Kojima
Mike Kojimalink
Thursday, January 25, 2018 8:05 AM
my only complaint is they seem to dust a lot for what they are. Decent bite and release. Good enough for street tires.
warmmilk
warmmilklink
Thursday, January 25, 2018 4:17 PM
whats your favorite aggressive street pad?
Wrecked
Wreckedlink
Sunday, January 28, 2018 9:49 PM
The video needs the gong sound when Mike steps into the frame!
Mike Kojima
Mike Kojimalink
Monday, January 29, 2018 4:42 PM
I love Project Mu NS400 pads for the street.
mcoman
mcomanlink
Monday, January 29, 2018 8:48 PM
What would you recommend for someone who wants to keep a stock or close to stock ride height? Would you still recommend the fortune 510s with the longer shock mount, over an a-spec kit? If keeping a near stock ride height would the Hardrace tie rod ends and roll center correcting ball joints be needed? I love project EP3 keep up the great work!
Nontas93
Nontas93link
Saturday, February 10, 2018 5:29 AM
Mister Kojima thanks for another great and thorougly informative video !

I would like to ask you a question though, regarding wheel alingment in general. Not just for the EP3 chassis.

At all the alingment shops i've been to, here in Greece at least. They say that every time you align your car, doesn't matter the alingment you do ( Stock or custom ) that you have to do the rear of the car first, then the front, and that's the order they do it, rear axle first, then the front.

And they say that you have to do it that way, otherwise if let's say you were to align the front axle only and leave the rear untouched, it will mess up the front.

What do they mean by that ? i understand the concept of thrust angle from the rear and how it can mess up the front tracking and cause the front to steer. But can it interfere with the front alingment any other way ? Or is it just ignorance from their side so to speak.

Sorry for the long post, but i was alwas wondering that, and could never get an answer.
brian6speed
brian6speedlink
Monday, February 12, 2018 6:11 PM
Mike, which Honda front lca design would you consider better for handling etc. The design with the radius rod that bolts in front of car(crx, cl, etc)or the compliance type setups (ek civic, 3rd Gen tl, etc.)
Brian from NZ
Brian from NZlink
Friday, March 23, 2018 1:10 AM
Nontas93 they will be talking about thrust angle. Setting the rear to be straight in reference to the chassis then tweaking the front. If the trust angle isn't set then everything else will be affected.
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