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What a great Monday! Some goodies arrived today (both expected and not expected). Little box is an AWD controller that integrates with the ECU and CAN data. Has its own software and programming logic. Tote is a spare T-case that will get billet bearing caps Fragile box is a surprise pack...

Nice build! Let me know you want to talk wheels and tires...I've tried some things

How hot does it get? Need gloves after the engine has been running?

From what I can tell: the driver side case half of the transmission is the same for MS3 and MS6. Therefore the TMM and shift cables bracket directly transfer like OEM. The passenger side case half of the transmissions are different. The obvious difference is the Transfer Case connection...

Things are starting to happen! It actually has a transmission now! Trans and T-case went in pretty smooth. Intermediate shaft and mounting block are also in. Looks Great. The oil drain is also very tight but good. I thought ahead with the Xona turbo install and got a oil drain...

UPDATE! The front mount for the CX7 arrived and look fantastic! Everything fits perfect (not tested on car yet) but I forgot to order the correct length shoulder bolts so I'm ordering now and will have monday. Today I also worked out my design for the push-rod mount on the trailing arm...

Ya thats my same logic. Touching on the power capacity of the rear diff system...I have more hope. Newer cars with this front biased AWD system are using a simple but clever way to be able to apply more than 50% torque to the rear wheels. The rear differential ratio is ~0.7% higher than the...

About those DSS rear axles... The shaft diameters are different for left and right...this is not by design. I talked to DSS about this...basically they said its fine and they used what they had available on the shelf from older MS6 production (yes that also means the MS6 rear axles have...

Another Update: Rear axles from DSS arrived. These are "700hp" rated axles per DSS. Doggo approved Axle fitment is good with lots of length adjustment range for more or less camber than the current -2.5 degrees. I also opted to have the wheel speed rings placed on the inboard side of the...

Another update: Transmission is still in progress. Have had some difficulties with shims and such, getting the bearing preload setup. If you are doing any trans work or differential change be warned that Mazda is discontinuing the various thickness shims needed for the bearing races. I...

Now the "tuning" for the rear diff is a whole different story. OEM ECU vs Motec ECU makes a huge difference and how much control you want. I want full programmable control so I'm going full custom setup. Working in tandem with the Motec, I am investigating a standalone controller from Syvecs...

Is this before or after the "shit everywhere scene" hahahaha

YOU CANNOT USE THE MS6 REAR SUBFRAME...you might aswell jsut fab your own subframe at that point. The easy solution: Use the CX7 subframe (the inner frame work that bolts to the chassis only). Then use the control arms and trailing arm from your MS3. The rear differential is made up of two...

Read all my posts in this thread and you will answer all your questions

Speed6 will not fit, it is very different

Lastly! I will be rebuilding the speed6 trans this coming week and getting ready to install it into the car. I attempted to rebuild the t-case I sourced but found it had questionable gears. Probably fine for a moderate street car but for a high power racecar its won't cut it. If anyone has a...

Progress Update...3 of 3 I did some CAD modeling aswell. Made an edit to my CX7 Differential Mount Fronts: Working on a 2-piece design so that the parts are simpler and can flip to work on both sides. Will be 3d printing and checking this week. Also designed a crashbar with integrated...

Progress Update...2 of 3 With the rear arms done, I could reinstall the arms and bearings to get my rear axle lengths. In doing this I had to make sure I was using proper surfaces to base my lengths from. Differential Side: Measuring off the face of the seal that is more of a face vs the...

Progress Updates...1 of 3 of them! Firstly, I got my rear trailing arms back from the machine shop. Look pretty good and fit great with the CX7 bearing hubs. They welded the original holes then post machined the new holes for the CX7 bearing hub. On the back side you see that the...

Same flange thickness 0.227+/-0.005