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-   -   HornetBall's Build #2: Meet Red (https://www.miataturbo.net/build-threads-57/hornetballs-build-2-meet-red-76869/)

hornetball 05-08-2014 11:49 AM

One note of caution, with a turbo most just cut a hole for the air filter (i.e., no flanges). This provides room for engine motion. With this normally aspirated setup, I have a few feet and 3 silicon couplers to provide "give."

Funny story, bulb trim seal came from Egypt and had to be picked up at the local post office. Should have seen the looks my wife got as she went to pick up a non-descript package from the Middle East in a small-town post office in Texas. LOL. I'm always amazed at how the internet enables worldwide commerce.

byunique 05-08-2014 01:24 PM

Ingenious use of those little sticks to measure clearance! :)

turbofan 05-08-2014 01:27 PM

I like Violas too, but I think you meant Voila ;)

Looks awesome.

Midtenn 05-08-2014 01:43 PM

Now I feel like I should build an air box for my intake.

hornetball 05-08-2014 01:55 PM


Originally Posted by byunique (Post 1129416)
Ingenious use of those little sticks to measure clearance! :)

I was so glad I saw that other thread. It worked great.


Originally Posted by turbofan (Post 1129419)
I like Violas too, but I think you meant Voila ;)

LOL. I fixed it. I'm going to start calling you "Frenchy" from now on.


Originally Posted by Midtenn (Post 1129432)
Now I feel like I should build an air box for my intake.

DO IT!!!

turbofan 05-08-2014 02:00 PM


Originally Posted by hornetball (Post 1129440)
LOL. I fixed it. I'm going to start calling you "Frenchy" from now on.

If it moves us past "Just be careful in the rain, Drift Master" jokes, I'm down! :giggle:

hornetball 05-08-2014 02:28 PM

"Frenchy, the wet driftmaster." LOLOLOL.

turbofan 05-08-2014 02:30 PM

1 Attachment(s)
https://www.miataturbo.net/attachmen...ine=1399573826

Fireindc 05-08-2014 02:50 PM

Well damn, that airbox is brilliant. Will have to do one of my own once i'm on the new turbo setup (no time to waste fabbing stuff around my current t25 :giggle:).

Props.

hornetball 05-08-2014 06:44 PM

You gays really like my box, don't you? LOL.

Jeffbucc 05-08-2014 08:53 PM

I hate how easily you made your box out of aluminum. Nice work man.

hornetball 05-08-2014 11:21 PM

Well, right now I'm fabbing a front radiator cover out of ABS. I'll be using the Jeffbucc bending method (bought one of those linoleum blades).

Jeffbucc 05-08-2014 11:38 PM


Originally Posted by hornetball (Post 1129616)
Well, right now I'm fabbing a front radiator cover out of ABS. I'll be using the Jeffbucc bending method (bought one of those linoleum blades).

Seeing how good the sir box turned out I'm sure your radiator cowling will look better than mine!

FowlerMotorsports 05-10-2014 03:25 PM

I'm so glad to see there are 2 seats in this car ;)

hornetball 05-10-2014 09:06 PM

Justin, where's a good place for a quickie alignment on the Konis? When the Xidas go on next month, I'll be going to MER for setup/corner weighting. But right now I just need something good enough for a track day.

hornetball 05-11-2014 01:44 AM

36 Attachment(s)
Radiator Cover:
Issue -- large holes including some large openings that were made for a TDR over-the-radiator intercooler installation. Radiator sealing is desperately needed.
https://www.miataturbo.net/attachmen...1&d=1399786655

I have a TDR cover on the silver car and used it as a pattern. Used a dremel router attachment to cut it out of ABS. I left some overhang to make a bend and cover the large intercooler cutouts. This is my bending rig.
https://www.miataturbo.net/attachmen...1&d=1399786655

Apply a LOT of heat with a heat gun. Once the ABS gets soft, bend away.
https://www.miataturbo.net/attachmen...1&d=1399786655

Not too shabby. Radiator should work better now.
https://www.miataturbo.net/attachmen...1&d=1399786655

Oil Cooler Mount:
Used 1/8" x 3" aluminum. Drilled holes to re-use the mounting points for the AC fan.
https://www.miataturbo.net/attachmen...1&d=1399786655

Added threadserts for the Adel clamps.
https://www.miataturbo.net/attachmen...1&d=1399786655

All done. The cooler is both secure and vibration isolated.
https://www.miataturbo.net/attachmen...1&d=1399786655

https://www.miataturbo.net/attachmen...1&d=1399786655

Brake Ducts:
Issue, R-package spoiler cooling ducts aren't exactly designed to transition to SCAT hose:
https://www.miataturbo.net/attachmen...1&d=1399786655

Aircraft Spruce & Specialty to the rescue. These are 2" flanges (similar to the ones used on the cold air box).
https://www.miataturbo.net/attachmen...1&d=1399786655

Annealed aluminum is really easy to bend.
https://www.miataturbo.net/attachmen...1&d=1399786655

Pop riveted. Note that I still have some holes to cover.
https://www.miataturbo.net/attachmen...1&d=1399786655

To cover the holes, I used some fiberglass and RTV. Make a sandwich (plastic wrap--RTV--fiberglass--RTV--plastic wrap).
https://www.miataturbo.net/attachmen...1&d=1399786655

Work the RTV into the fiberglass. Note that the plastic wrap keeps air away from the RTV so it doesn't cure. You have lots of time to do this.
https://www.miataturbo.net/attachmen...1&d=1399786655

Once the RTV is pressed into the fiberglass, cut strips as needed. It cuts easily.
https://www.miataturbo.net/attachmen...1&d=1399786655

Pull the plastic wrap from one side to expose the RTV and apply to the hole you want sealed. This part gets messy--paper towels and paint thinner keeps things clean.
https://www.miataturbo.net/attachmen...1&d=1399786655

Once you're happy with the placement, pull off the outer layer of plastic wrap and allow to air cure. Here's the finished spoiler installed.
https://www.miataturbo.net/attachmen...1&d=1399786655

Mock-up with SCAT.
https://www.miataturbo.net/attachmen...1&d=1399786655

kenzo42 05-11-2014 06:17 PM

Looks great.

Why ABS and not aluminum for radiator cover? Can ABS handle the heat?

Jeffbucc 05-11-2014 06:30 PM

And you call my work clean? Jesus dude, top notch.

Togeneral99 05-11-2014 11:39 PM

This thread is so full of win!

Hornetball you're my freakin hero!

Also, what are you going to do with the Koni sports once the Xidas come in???

hornetball 05-12-2014 12:17 AM


Originally Posted by kenzo42 (Post 1130117)
Why ABS and not aluminum for radiator cover? Can ABS handle the heat?

I liked that it was "pre-finished." Plus, had never worked with it before and wanted to try it out. ABS is supposed to be good to 350F before getting soft. Given what I had to do with a heat gun to bend it, I believe that. Not appropriate for, like, a turbo heatshield. But around the radiator it's fine. OEM radiator is made from the stuff.


Originally Posted by Jeffbucc (Post 1130119)
And you call my work clean? Jesus dude, top notch.

"Because racecar" means different things to different people.


Originally Posted by Togeneral99 (Post 1130153)
what are you going to do with the Koni sports once the Xidas come in???

Planning to sell them. Watch for a for sale thread.

Built the seatback braces today. Turned out better than I had hoped given the challenging geometry. I'll post pics tomorrow. This is the last of the heavy (i.e., welding) fab work. From here out, it's just assembly. Should be driving this week!


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