Front Splitters
 

Is there any reason to buy a custom APR (or other) carbon fiber front splitter when one made DIY could do the same job? I could see one being made for cheap out of aluminum (or possibly wood for those frugal enough), and save money by not buying a carbon fiber shovel.

one could save money buying track dog racings splitter...

a CF splitter would be lightweight yet very rigid and strong. Go buy a sheet of 4x4' ABS and cut out one yourself...

This one may do something.


http://www.trackdogracing.com/websit...s/radical1.jpg


This one's just for show.

http://www.trackdogracing.com/websit...7-splitter.jpg


Here are some others.


http://image.sportcompactcarweb.com/...tter_mount.jpg

http://slickauto.net/images/sa-apr/s...litter_480.jpg



Here is a good thread, but you may not want to click on it because you apparently have something against mustangs. :jerkit:

Height of front splitter - Corner-Carvers Forums

well the only ones that track dog has for NA's look kind of poopy I forgot about SCC's miata, and I have that issue

I suppose I can muscle my way through that article, as longs as it doesn't give me tetanus

Not wide enough. You need a 4x8 sheet to get the full width of the car, and the cheapest I've found .250" ABS is nearly $100 for a 4x8 sheet. I have a 12mm piece of birchwood in my garage I am going to play with.

I would also bring the splitter 4" out from the bumper at minimum, possibly up to 6". A frame like Matt Andrews uses is probably required.

I bought a 4x8 piece of 0.125" ABS for $55. I'm pretty sure the 0.250" from the same place wasn't much more expensive.

https://www.miataturbo.net/forum/t18521/

Yeah, I can get a 4'x8' sheet of 1/4" ABS for $67.85 through one of the suppliers at work. It is pebbled on one side and smooth on the other. It is what I made my radiator air guide out of as in the pic below (old pic w/ 1.6 still in).

https://www.miataturbo.net/forum/vbg...etimage&id=472

That's about right for me too. I bought a sheet for my DIY fan shroud. I've cut a basic shape for a splitter from it but haven't done anything about mounting or refining it yet. Too lazy.

If you angle them on the sheet you can get two that extend from 6" in front of the bumper to the center line of the front wheels out of one 4x8 sheet. But as others have said, you can not get one out of a 4x4 sheet.

Moral of the story: Find a friend, or have a spare.

http://image.sportcompactcarweb.com/...tter_mount.jpg
I've seen that shit in person, its the most hardcore shit I've seen in my life.

how does SCC get the flexibility they need to adjust it with the front bolted to the car so rigidly?

needs more thinking outside of the box:

http://boostedmiata.com/random/splitter_sheet.jpg


that's a full 55" wide and 16" tall IIRC.

It is hardcore. FWIW, Matt doesn't use that mounting setup anymore. He's simplified it significantly.

PWNed! Ouch.

This thread and Savington's wing has me working on my car again. Damn. My car is already a heavy pig with every option possible, all intact. Add the turbo kit, roll bar, frame rails, additional bracing, 225's on 15x8 6uls, godspeed rad and now a wing and splitter. It's going to be 150-200 lbs heavier than stock! Aaaagh!

I'm going to have the worlds first 3000lb Miata.:bang:

Needs more undertray. I want to bring the back of the splitter all the way back to the front of the front subframe, or possibly beyond that. I also want to incorporate a 6" splitter; how big was the splitter you have in those templates?

Mine runs from the center of the front wheels to 6" in front of the bumper and is 30.5" front to back.

splitter is probably only 3" but there's wiggle room for surez.

http://boostedmiata.com/random/splitter_sheet1.jpg

Hardest part about this is finding a lift to use while fabbing the splitter, test fitting and fabbing the supports/mounts etc. because if you've ever tried making one with the car on a floor jack you'll know it's near impossible to do laying on your back with your nose inches from the car.

Luckily I just traced a TDR Racing splitter so I have the template I need :P

Then I was smart enough to digitalize it :P

sweet my next diy
thanks for the digi template

is it important to no "share" air from the oil cooler to the radiator? I've drawn some shit I wish i could post.

bascially I want to make a 3" air dam with a a splitter secured to my begi scooper, then cut a hole in the dam the width of the scooper with the oil cooler in there with 2 NACA ducts hidden inside for the brake ducts.

Think of the c6r bumper incorporated into the air dam:
http://www.ridelust.com/wp-content/u...orvettec6r.jpg

feel free to make fun of my photoshop skills:
http://i40.tinypic.com/2m35kpc.gif
I've thought about putting the oil cooler in front of the scooper mouth, on the sides between the radiator and fmic, or bridging the gap between the fmic and rad. Or I could just chop a hole bader style, which looks fine if you ask me.

Hustler -

The hole I punched in the bumper was made with two 3-in hole-saw cuts, filed then trimmed with a rubber gasket. As a protective measure I then used JB Weld to secure SS mesh behind the opening to keep rocks from being ingested at speed...

(If you are interested, I have *plenty* of SS mesh left over. I had to order 12-sqft to get the gauge/gap I wanted...)

But to answer your original question, the heat bleed off from your oil cooler shouldn't be significantly detrimental to your radiators. The independant cool air feeds I am using are for extended, high speed, South/West Texas events.

- L

I'll have to swing by and grab some of that mesh if I go that route, thanks.

I plan on running my car just as hard, at lower speeds. I may not get out of 4th on the 1.3 at MSR, and I'll have the needle in the red the whole day.

I want to keep the sleeper look, we'll see what happens. I'd like to avoid cutting the r-pack lip, but right now that looks like the easiest and most effective option. Its the right height, already has brake ducts...but its so pretty in stock form. I don't know that i can bring myself to chop-up $200 like that.

Plan looks good. I was planing on mounting an oil cooler where you would your passenger side brake duct inlet.

You guys are making me want to redo mine so it extends out farther.
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Dang, why didn't that resize?
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doesnt resize attachments.

Oh ok, I fixed it.
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definitely

If that's like the track dog splitter, just attached to the air dam it isn't likely doing much. If it's fabbed farther back so it works as an undertray it's helping by smoothing the air flow under the car.

To be large enough to have a significant downforce effect (really a decrease in lift) it's gotta be pretty darn big and strong as hell. Figure something that's doing much work might be taking 100+ lbs of force. That takes a pretty strong mount and material. Over at the corner carvers site they basically say you need to be able to stand on it! Yowza.

It goes as far back as the stock belly pan and its just as wide. I hear ya on it being strong enough to to create down force.
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Nice! That's my plan for the one I'm building. Splitter/undertray. I'm also thinking about further smoothing under the body and a rear diffuser. Not sure whether to use ABS or just go with galv. sheet metal underbody. Gotta create enough air movement with vents to keep drivetrain from getting too hot.

is the thicker ABS even stiff enough for this?