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Old 05-16-2016, 08:36 PM   #41
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I'd love to say Mazda did it to balance the car with just a driver, and they may have, but my Tundra has a similarly angled driveshaft for some reason. It creates a vibration at certain speeds.
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Old 05-17-2016, 01:52 AM   #42
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I'd love to say Mazda did it to balance the car with just a driver, and they may have, but my Tundra has a similarly angled driveshaft for some reason. It creates a vibration at certain speeds.
They angled it at 1* for universal joint life.
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Old 05-18-2016, 12:16 AM   #43
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By pure dumb luck we ended up just off zero for the drive shaft angle and right at zero for the included angle. We're going to measure once it's all mocked up again to make sure our DS is not exactly at zero.

On a related note for anyone with mysterious driveline vibrations, set your PPF height according to the FSM and compensate for crunched frames rails (they're the reference).
Zero angles is hard on U-joints. They like smallish equal angles.
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Old 06-02-2016, 10:05 AM   #44
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So we learned something interesting about the NA/NB while measuring our final driveshaft position. Our target parallel angle was 1 which is where we are. While measuring it, we noticed the OEM NA/NB driveshaft angle is 1 laterally. Looking forward form diff, the shaft angles towards pax side just a bit. Not sure if the diff mounts are angled, or the diff casting is asymetric. Looks like the OEM shaft is actually 0 vertically but right at the ideal 1 laterally. We ended up with that same lateral offset as well.




So when is the SuperMiata Version of the Quaife Conversion kit going to be come available. Just blew up my first 6 speed for the year. Made for a very short Track day last weekend. I Have 5 more thankfully. I should'nt be to upset, it lasted a full year.
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Old 06-02-2016, 10:43 AM   #45
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So when is the SuperMiata Version of the Quaife Conversion kit going to be come available.
Haha, never. The number of worldwide Miata owners willing to spend $12k on a transmission kit can be counted on one hand. Beyond that there is no margin whatsoever. Not a small margin, no margin. If you are one of the folks with that kind of budget, I would suggest contacting Hitech in Irvine for a duplicate of the mounts they made for us.
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Old 06-05-2016, 10:51 AM   #46
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Offering a "kit" makes zero sense from a business POV. Emilio was kind enough to share his journey so followers like myself are not going in blind. Props E!
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Old 06-05-2016, 04:33 PM   #47
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Any drive time on the Quaife yet Emilio?
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Old 06-05-2016, 06:11 PM   #48
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Haha, never. The number of worldwide Miata owners willing to spend $12k on a transmission kit can be counted on one hand. Beyond that there is no margin whatsoever. Not a small margin, no margin. If you are one of the folks with that kind of budget, I would suggest contacting Hitech in Irvine for a duplicate of the mounts they made for us.
Emilio, which lever type did you choose? QGE60G00X where X denotes lever type.

Which Geartronics gear **** load cell did you get? The line one? Geartronics - Sequential gearbox electronic systems - Flatshift Pro . Where did you install it? The geartronics paddleshift system seems heavily overpriced but I suppose it is a niche market.
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Old 06-05-2016, 08:01 PM   #49
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Emilio, which lever type did you choose? QGE60G00X where X denotes lever type.

Which Geartronics gear **** load cell did you get? The line one? Geartronics - Sequential gearbox electronic systems - Flatshift Pro . Where did you install it? The geartronics paddleshift system seems heavily overpriced but I suppose it is a niche market.
The lever shown in the picture. It is also in the bill of materials for the Miata kit, not sure what the part number is. I contacted geartronics and asked them to send me a shift **** with the correct thread for the lever. That is all I purchased from them, we are not using their Electronics.
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Old 06-06-2016, 11:00 AM   #50
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The lever shown in the picture. It is also in the bill of materials for the Miata kit, not sure what the part number is. I contacted geartronics and asked them to send me a shift **** with the correct thread for the lever. That is all I purchased from them, we are not using their Electronics.
Thank you Miataturbo for teaching me that **** (k n o b) is a dirty word.

When I clicked through on their page previously, I didn't see it listed in the kits. Looks like it is QBE60G-Maz0X where there is X=1-4 and the variables are helical vs straight cut and double overdrive vs direct / overdrive. I'm assuming dog / straight cut gears for yours. What ratio set did you choose? (direct / overdrive or double overdrive) .
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Old 06-06-2016, 11:19 AM   #51
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Spur, closest ratio set.
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Old 06-06-2016, 01:54 PM   #52
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Spur, closest ratio set.
Thanks! Looks like QBE60G-Maz02 . I see multiple gear sets offered there and then different options on their spec sheet.

These are the gear ratio sets I saw. Is the first one the one you got? The last one I only saw in the spec sheet that didn't seem to be Miata specific.
Spur 2.400 1.840 1.482 1.260 1.104 1.000
Spur 2.240 1.694 1.333 1.150 1.000 0.889
Spur 2.240 1.840 1.482 1.260 1.104 1.000

Yes, I am serious about this gearbox after I go through my existing 6 speeds.

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Old 06-06-2016, 02:30 PM   #53
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Originally Posted by vtjballeng View Post
Thanks! Looks like QBE60G-Maz02 . I see multiple gear sets offered there and then different options on their spec sheet.

These are the gear ratio sets I saw. Is the first one the one you got? The last one I only saw in the spec sheet that didn't seem to be Miata specific.
Spur 2.400 1.840 1.482 1.260 1.104 1.000
Spur 2.240 1.694 1.333 1.150 1.000 0.889
Spur 2.240 1.840 1.482 1.260 1.104 1.000

Yes, I am serious about this gearbox after I go through my existing 6 speeds.
2.769 2.057 1.579 1.260 1:1 0.889 & Spur.

I assume you will do the math for your project and decide what works best for you.
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Old 06-06-2016, 02:50 PM   #54
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I see multiple gear sets offered there and then different options on their spec sheet.
These are the gear ratio sets I saw. Is the first one the one you got? T
Pick your ratios based on your needs, your power output, your car setup, the tracks your race schedule will take you to... etc.
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Old 06-06-2016, 03:45 PM   #55
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Originally Posted by emilio700 View Post
2.769 2.057 1.579 1.260 1:1 0.889 & Spur.

I assume you will do the math for your project and decide what works best for you.
Thanks! You assume correctly.

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Pick your ratios based on your needs, your power output, your car setup, the tracks your race schedule will take you to... etc.
I completely agree. I can't imagine someone plunking down $12k+ for this trans without running extensive calculation and analysis.

Last edited by vtjballeng; 06-07-2016 at 01:37 PM.
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Old 08-09-2016, 09:59 PM   #56
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I'm surprised you guys just didnt use a tilton release bearing instead of the fork and miata hydros.
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Old 08-10-2016, 12:11 AM   #57
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I'm surprised you guys just didnt use a tilton release bearing instead of the fork and miata hydros.
Trying to keep things simple. OEM actuation will work just fine, no need to reinvent. Let us know how the Tilton works on your Quaife Sequential.
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Old 08-10-2016, 12:48 AM   #58
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Yay Brexit! These Quaifes are now more affordable than ever!

I look forward to the day you get it rolling E! Remind me again what motor this will be paired with?
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Old 08-10-2016, 02:04 AM   #59
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Yay Brexit! These Quaifes are now more affordable than ever!

I look forward to the day you get it rolling E! Remind me again what motor this will be paired with?
Don't remind me, I bought it about 2 months too early didn't I? For now it's going into Taxi with a 180 horse 2 liter. The plan was to go into the OGK but frankly I think the ogk might not get built for a few years now. We have sort of switched gears and are focused on building our S1. That said, our S1 will be built to be somewhat competitive in ST2 and ST3 so we can drop the Quaife into it and have some fun once or twice a year with the Vettes.
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Old 08-10-2016, 10:33 AM   #60
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Don't remind me, I bought it about 2 months too early didn't I? For now it's going into Taxi with a 180 horse 2 liter. The plan was to go into the OGK but frankly I think the ogk might not get built for a few years now. We have sort of switched gears and are focused on building our S1. That said, our S1 will be built to be somewhat competitive in ST2 and ST3 so we can drop the Quaife into it and have some fun once or twice a year with the Vettes.
Should be fun in Taxi! With the sequential that 180hp will catch a few by surprise. I've been following the S1 build specs. Should be a fun series! I was really hoping to see Whammy with that sequential in a capable chassis. If you still have the motor when my $$$ loosens up at the end of the year it's gonna be mine! I'll then complete the pairing.
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