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DIY plywood front splitter for Evo 8/9

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Old Sep 19, 2016, 09:56 AM
  #106  
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i mean it would probably be better than nothing, but depends on the rear wing. im having trouble still finding a balance with a 5 inch splitter and kognition wing, seems like im constantly backing off the wing. might be selling all the parts off now anyway but.
Old Sep 19, 2016, 10:14 AM
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Originally Posted by kaj
So, splitters work at autox speeds? I never really gave it much thought, to tell the truth.
Yes, very much so. With the car as shown in the picture (stock wing with a big front splitter) it was very tail happy. So much so that I couldn't get that set-up to work very well. I built a big wing for it after, which completely changed the feel again. Initially, the wing made the car understeer badly but I have since got it pretty balanced.


Old Sep 19, 2016, 11:31 AM
  #108  
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Originally Posted by PAdutch
Yes, very much so. With the car as shown in the picture (stock wing with a big front splitter) it was very tail happy. So much so that I couldn't get that set-up to work very well. I built a big wing for it after, which completely changed the feel again. Initially, the wing made the car understeer badly but I have since got it pretty balanced.


Just curious, but what's the suspension set up? rear diff, sways?
Old Sep 19, 2016, 11:38 AM
  #109  
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Originally Posted by SWOLN
Just curious, but what's the suspension set up? rear diff, sways?
Rear dif - restacked sock
Suspension -
BC ER coilovers - 14k Rear , 10k front
FSB - whiteline 26mm
RSB - 25mm I forget the brand
Old Sep 19, 2016, 11:59 AM
  #110  
kaj
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Originally Posted by killerpenguin21
i mean it would probably be better than nothing, but depends on the rear wing. im having trouble still finding a balance with a 5 inch splitter and kognition wing, seems like im constantly backing off the wing. might be selling all the parts off now anyway but.
I was looking at the same setup. I was shopping a Kognition wing online so started building my splitter, just in case.
I just want a bit of help so I don't feel like I'm going to fly off high-speed sweepes LOL
Old Sep 19, 2016, 12:20 PM
  #111  
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Originally Posted by kaj
I was looking at the same setup. I was shopping a Kognition wing online so started building my splitter, just in case.
I just want a bit of help so I don't feel like I'm going to fly off high-speed sweepes LOL
My only reference is autox so take it for what its worth. I wouldn't want to road race with a splitter only, it made the rear end very unstable. This would only increase with speed as the force on the splitter increases with velocity.

At this point I want to see if I can build some effective canards to increase front end grip as the wing easily overpowers the splitter and I too find myself backing off the wing for balance.
Old Sep 19, 2016, 05:50 PM
  #112  
kaj
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Originally Posted by PAdutch
My only reference is autox so take it for what its worth. I wouldn't want to road race with a splitter only, it made the rear end very unstable. This would only increase with speed as the force on the splitter increases with velocity..
Absolutely, which is why I said I started building a splitter only after I started shopping wings.
I think a splitter only could be a benefit to autox guys, though. Depending on the rest of their setup and it's limitations, of course.
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