29

Data logging is handled by a Racepack USM Sensor module shown here which communicates to a Racepack IQ3S display via a CANBUS. 

A high mounted Moroso expansion tank is recirculated and removes air bubbles from the cooling system. 

The front of the chassis has been cut away forward of the shock towers to the limit of GTA rules.  The unibody in this area has been replaced with a tubular modular subsection that holds the radiator and oil heat exchangers. 

This front module can be removed for repair in minutes with the help of Radium dry break quick disconnects for the fluid lines. This also makes it very easy to remove the engine. 

Sealed ducting directs air from the front bumper through the forward canted aluminum Goodwin Racing/CSF triple pass radiator that was originally intended to fit an NC Miata and up out of the lovered hood instead of backing up in the engine compartment. 

These tubes brace the shock towers and couple to the roll cage. They are equipped with machined sections that are bolted together to allow for their quick disassembly to speed engine removal and servicing if it were to become necessary. The shock towers are reinforced for stiffness and the entire chassis is seam welded, also to increase stiffness.

The car uses a Wilwood 1" tandem master cylinder in the stock location and OEM clutch hydraulics. No pedal boxes here. 

 

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Comments
czubaka
czubakalink
Tuesday, May 01, 2018 8:20 PM
Amazing that the DOHC motor fit in there. Quite awesome!
Mike Kojima
Mike Kojimalink
Tuesday, May 01, 2018 9:33 PM
my thoughts exactly!
Dan DeRosia
Dan DeRosialink
Wednesday, May 02, 2018 9:19 AM
It never ceases to amuse me what fits into these cars as far as driveline.
SM_Clay72
SM_Clay72link
Wednesday, May 02, 2018 10:35 AM
I really, really like the brake duct pickup locations.

I have seen Toyota 1UZ dohc V8s fit into these cars.
warmmilk
warmmilklink
Wednesday, May 02, 2018 2:11 PM
I want an RX8 with one of these engines... they make a kit for the NC, so RX8 should be doable (and there's a shop in TX that already has one)
BANFSTC
BANFSTClink
Wednesday, May 02, 2018 4:37 PM
Great build! Awesome details; I especially like the wiring work and the attention to sealing of the front air dam and the hood to the components behind/under each. Some questions, though:

Why is there no cage or stiffening between the roll hoop and the a-pillar/upper-firewall area? I see the door bars, but I don't see anything tying the top of the roll hoop to the front portion. It seems like an area for improved chassis stiffening.

Since the differential is from GM, does that mean that the stock powerplant frame between the transmission and differential was removed? Also, what transmission is being used?
Dan DeRosia
Dan DeRosialink
Thursday, May 03, 2018 7:21 AM
I can't find the build thread quickly... I'm pretty certain that the PPF was not used. Transmission is mentioned as being Cadillac CTS - it's an Aisin LY6. CTS has different ratios than the V6 Camaro.

Actually, one build thread is here: http://www.trackhq.com/forums/f378/lfx-gm-v6-miata-%40-goodwin-racing-9566/
SM_Clay72
SM_Clay72link
Thursday, May 03, 2018 9:06 AM
@BANFSTC They are making a compromise where they have achieved good roll and side-impact safety, and good longitudinal stiffness with the door bar and wheel intrusion bar tie-ins. I think the halo and A-pillar bars would have been left behind to maintain lower CG. You do not expect a competitors car to come through your windshield in time attack.

What I do question are the little bars from the strut towers to the firewall. I know the firewall sheet metal in that area is flimsy and meant for sealing rather than being structural. I would like to see if there is additional sturcture added in behind to tie those bars into something significant.
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