#013 - Greta gets a cheater motor - Page 2 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 02-25-2016, 04:02 AM   #21
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My parts seem to pollinate NA's. Specifically white ones but Aidan's car has some parts now too.

Can't wait to see Greta in action.
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Old 01-19-2017, 12:55 PM   #22
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Long overdue update to this. Did a couple more races with great success, , changed out a bunch of parts, wrapped the car, currently it's being prepped for the Portland International Raceway booth at the Portland Auto Autoshow this coming week.
Basic Mod List of what it has now, I'm sure I've missed a few things. Future plans include a suspension upgrade and a different exhaust.
Suspension/Chassis/Body
-AMR Engineering Single Adjustable Dampers(Going to MCS singles in the next month or so)
-JR front sway bar w/949 Endlinks
-ISC Delrin front Offset Bushings
-NB Front lower control arm with poly bushings
-Caged and gutted NA6 Chassis, cage by Racetech Motorsports
-LED Lightbar
-Tubular Front and Rear crash structures with integrated central jack point
-APR GTC-200 with risers
-EP front air dam
-Laser Cut aluminum splitter and undertray
-Humming Aero Hood Vent
Engine/Drivetrain
-VVT Swap with NB2 wiring harness, painstakingly stripped by Curly
-Spec Miata non compliant head
-BE Oil Pump
-Manley Forged Rods
-VICS intake manifold with Skunk 2 Throttle Body
-Custom intake with cold air box fed by duct
-Coated Racing Beat Header
-Custom test pipe to Borla Exhaust
-Koyo Radiator/Coolant reroute
-Coolant reroute
-4.3 Torsen swap with Garagestar Diff mounts
-949 flywheel with Exedy OE disc and ACT HD PP
-AWR Motor Mounts
-Kazspec Engineering Oil Pan Baffle
-MS PNP Pro with tablet display tuned by Curly
-148whp/135wtqBrakes/Wheels/Tires
-1.8 brake swap front and rear
-Cobalt Friction Pads
-SS lines
-TSE 2.5 inch front brake ducts
-FFD 15x8 +32 Wheels/205/50/15 AD08R
-Garagestar Brake Master Brace, gutted factory prop valve

I'll update this thread more frequently now.
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Our crew chief Dan in the background

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Old 01-21-2017, 01:13 PM   #23
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A few aero updates
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Old 04-15-2017, 01:54 AM   #24
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APR mirrors on Kazespec Engineering brackets
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Schroth Profi II HANS, huge upgrade over our old harness, easier to adjust and fits much better with a HANS device.
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Old 04-18-2017, 11:36 PM   #25
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Harnesses are just not the place to save money. You truly get what you pay for.

Nice choice on the Schroth.
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Old 06-18-2017, 04:41 PM   #26
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Next step is making this:



Look like this:



I've been busy bugging Andrew and asking for way too much proprietary information. Looks like we'll be ditching the stock cross beam for starters.

In other news we had a bit of a disaster of race last time out. I wasn't able to make it, but the car is now fairly munched up on the passenger side, and they had an alternator failure on Saturday.

Sunday when they went to start the car up after a driver change and fuel stop, the MS started smoking. This is the 2nd time it's done this, and probably our 4th or 5th NB alternator. Enough is enough, we've got some wiring gremlins and we decided mix things up by starting with an NA internally regulated alternator and changing up the kill switch wiring. Previously we were cutting the big blue wire that normally comes off the ignition switch. This eventually went through a bunch of fuse boxes and wiring to power the main relay, so the kill switch was functioning correctly. We decided to leap forward in the wiring harness and now just kill the the green/red wire which directly powers the main relay. Our thought is with the battery cable cut, some power was going through the tiny ~22 gauge regulating wires to the ECU and frying it with 100amps, well before the 500mA fuse was able to blow. Hopefully the combination of new kill switch wiring and non-ecu controlled alternator will halt our ECU frying issues.

This is all kind of a stop gap though, we have big plans for an eco-tech swap this winter. We're very happy with our "stock" VVT rebuild making 150hp, but we're getting blown way on the straights by some pretty incredible machines in the Lucky Dog Racing community. For endurance purposes we're against forced induction and the price of donor engines and swap kits kills the K-swap option.
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Old 06-18-2017, 06:11 PM   #27
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No cross beam is kinda scary
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Old 06-18-2017, 06:27 PM   #28
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Well you can see it has a lower cross beam already. Behind whats left of the stock bumper the structure is only bolted where the crash beam used to be bolted to, and we could easily add a bar across the two mounts for more rigidity.
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Old 06-18-2017, 11:33 PM   #29
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I'm totally against engine swaps (apart from bolt -in affairs) for endurance racing. Like really against it.

That's just me though...
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Old 11-08-2017, 07:05 PM   #30
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Big update, race season went quite well for us, a number of podiums including a 1st and 2nd over all at Oregon Raceway Park in September. We are always at the pointy end of the field however the speed creep is real, racing against 260whp E36s, 350whp mustangs, and other various cars in the top class has lead to the need for more power. The VVT motor is out and sold, and replacing it will be a 2.4L LE5 Ecotec motor with swap kit parts from ecotecmiata. We're shooting for 200/200 at the rear wheels on pump gas. Below is some footage from our second to last race this year, as well as some photos from the last race where the car met a mustang and a wall, and still finished 6th overall.








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Old 11-12-2017, 01:05 PM   #31
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Motor is out and ready for shipping. Some new panels are on the car, and the bay is ready for 2.4L of GM glory.

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Old 11-20-2017, 10:18 AM   #32
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Update from curly. engine made it's way to CSTG and the tear down began. I haven't seen a lot of photos online of the Ecotec, and I took a bunch before I touched anything, so here ya go.









Then I removed the oil pan and valve cover. Valve cover was starting to seep, and the oil pan is swapped to fit in the Miata.






On the chassis side of things, since we're re-wiring from scratch rather than tapping into the already butchered '01 harness that was running in our NA chassis, I needed a custom relay panel to provide power to everything. I contacted Tony at https://ceautoelectricsupply.com/custom-relay-panels/ to make a 6-relay panel.The panel is done, mounting of it isn't, and 90% of the wiring I've done is temporary, not heat shrinked, etc. Just trying to get the proper lengths, routing, and pay attention to future serviceability.

ECU, starter, accessories, and lights will be controlled with the switch panel. Fan and Fuel pump will be controlled by the ECU.

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