I've seen that APR sells a basic splitter for the Z, but it only fits the Nismo front end. I have the second gen sport front end and a very
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11-02-2020, 04:31 PM | #1 (permalink) |
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Front Splitter and sport V2 bumper carbon homemade build
I've seen that APR sells a basic splitter for the Z, but it only fits the Nismo front end. I have the second gen sport front end and a very large chassis mounted rear wing. I'm looking to balance the front end with a splitter and trying to determine best options for fitment.
Has anyone successfully used the second gen bumper with the APR splitter or some other splitter and track tested it? If the better option is to get the Nismo front end, is there an aero preference between the two gens. From what I have found by searching it appears a couple folks have used the first gen Nismo bumper and either filled the space in the middle or bent it to form so there's an air dam effect. Update - 11/24/20: after looking at various pricey options and talking to Professional Awesome, my race mechanic, and a few others who know what they're doing with composites I decided to try my hand at making a splitter. I'm not new to working with carbon, but I've never built anything from the ground up like this with it. Initially I intended to buy a splitter, but custom made stuff gets expensive fast and even basic plywood runs over 400$. I decided to first try finding my own marine plywood and cutting that to shape. I found a local source of marine ply, but it's not high quality and bent on me while sitting on its side for one evening. I bought a bunch of nice hardware from professional awesome and planned to mount the plywood splitter with it. I still plan to use the plywood for a replica and core model, but I plan to use it to eyeball the hardware into spec. I'll trace the bumper onto the plywood and measure out 4" from every vertical dam section, which means I will likely have to do the dam first. The plywood will then mount to the car to test fit and get cut down to rough splitter shape. Then the bumper goes on, then dam, and final jigsaw cut to ensure a clean and smooth finish to the facing edge. I'll also make note of any hardware holes, recess any necessary and retest fit. I'll also make note of the bumper lower side which will likely need a fence and dam extension, and plan accordingly. Now comes the fun part... I can get polyisocyanurate foam from home depot for 12$ in a 1/2x4x8 sheet. Carbon composites sells fabrics, epoxies, and bagging kits which I'll buy to do 1.5gal epoxy, 5 yards of bagging kit material, and enough carbon fabric for 2 layers, plus an additional carbon Kevlar layer (in red/black because why not throw some color in in life). I'll also get a resin tank and venturi vacuum generator from Amazon. The foam will be cut to the splitter shape, the edges routed, the backing removed, any holes or cutouts recessed and cut, and then the whole thing will get a thin layer of resin to smooth and seal pockets in the foam. I'll do the multiple layers of fabric with epoxy between each, bag the sandwich, and then let it cure for 24 hrs. Once cured, I'll sand it, clean it up, and give it a solid coat of a water based outdoor poly with my spray gun. I'm at the measuring out the bumper step now . Update 12/7/20: there's an issue with the vacuum setup and carbon arrived!! post 32
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Had a 2010 WRX- boy was it quick in a straight line, got a 2014 Z- man is she grippy in the corners-- then left the Z and later got a GTI, now back in an 09 racecar Z! Last edited by victorofhavoc; 12-07-2020 at 11:49 AM. |
11-02-2020, 05:30 PM | #2 (permalink) |
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I have the APR splitter on my V1 Nismo. I have a write up in my build thread. You have to use the ZSpeed undertray with it. I still have that gap in the center.
Check this one out. https://www.battleaero.com/collectio...13934491140139
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11-03-2020, 06:56 AM | #3 (permalink) |
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Yeah I read most of your write up, and that's where I saw the gap existed. It doesn't seem too terrible to cut up some abs plastic to shape and fit for an air dam.
Thanks for the battle aero link. I do have their swan neck rear wing, so the matching splitter might be nice. They're using a front lip as well though, and the sport bumper i think I'd have to just trim the bottom chin lip thing to act as an air dam?
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Had a 2010 WRX- boy was it quick in a straight line, got a 2014 Z- man is she grippy in the corners-- then left the Z and later got a GTI, now back in an 09 racecar Z! |
11-04-2020, 12:26 PM | #5 (permalink) |
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I would recommend checking to see if you have a local plastic company. I found a company local to me that stocked up on their version of Alumalite (plastic composite mixed with aluminum). Charged me $80 for a giant sheet, good for 1 splitter.
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11-04-2020, 12:47 PM | #6 (permalink) |
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Nine Lives Racing make one for the Z as well.
Sent from my SM-G965U using Tapatalk
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11-04-2020, 03:11 PM | #7 (permalink) | |
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Contacted them, and they said they would make a splitter (waiting on costs), but didn't say much about hardware, and that's the more challenging part anyway.
Quote:
Do you know what thickness the panel you got was and how much it weighed when you cut it to shape? From looking at the V2 Nismo I can't tell if it has a flat bottom, nor how the air would actually travel on it, so it might be worse off than just the plain sport or V1 Nismo..? Seems they want 485 for just the splitter, and it does look like a quality piece. They don't provide any hardware for that price though .
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Had a 2010 WRX- boy was it quick in a straight line, got a 2014 Z- man is she grippy in the corners-- then left the Z and later got a GTI, now back in an 09 racecar Z! |
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11-04-2020, 03:24 PM | #8 (permalink) | |
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Good luck in making your decision as there are numerous options including just getting one custome made. Sent from my SM-G965U using Tapatalk
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11-04-2020, 04:04 PM | #9 (permalink) | |
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Had a 2010 WRX- boy was it quick in a straight line, got a 2014 Z- man is she grippy in the corners-- then left the Z and later got a GTI, now back in an 09 racecar Z! |
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11-04-2020, 04:22 PM | #10 (permalink) | |
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11-04-2020, 04:30 PM | #11 (permalink) | |
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Quote:
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Had a 2010 WRX- boy was it quick in a straight line, got a 2014 Z- man is she grippy in the corners-- then left the Z and later got a GTI, now back in an 09 racecar Z! |
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11-04-2020, 04:47 PM | #12 (permalink) | |
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11-04-2020, 05:12 PM | #13 (permalink) |
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Just for reference I used this company that makes their splitters on order...(takes about 2-3 weeks) I have the stillen front fascia and my splitter fits perfect. They have splitters for several different aftermarket bumpers. Take a peek.
https://ventusautoworks.com/
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11-04-2020, 05:32 PM | #14 (permalink) | |
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It's so nice to be back in a Z! It really only took one session before the car started feeling very natural!
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Had a 2010 WRX- boy was it quick in a straight line, got a 2014 Z- man is she grippy in the corners-- then left the Z and later got a GTI, now back in an 09 racecar Z! |
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11-04-2020, 05:35 PM | #15 (permalink) | |
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How do you like the stillen fascia? Seems like it might be comparable to v1 nismo in terms of aero/ducting capability?
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Had a 2010 WRX- boy was it quick in a straight line, got a 2014 Z- man is she grippy in the corners-- then left the Z and later got a GTI, now back in an 09 racecar Z! |
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