Technical Information

NC MX5 Transmission Failure – Bearing Plates

NC MX5 Transmission Failure – Bearing Plates

We’ve got yet another NC 6 speed transmission to build caused by the weak OE aluminum bearing plates. Our billet steel replacement is next to it. If you’ve got a...

NC MX5 Transmission Failure – Bearing Plates

We’ve got yet another NC 6 speed transmission to build caused by the weak OE aluminum bearing plates. Our billet steel replacement is next to it. If you’ve got a...

Warning about Using GL5 Transmission Fluid in the NC MX5 Gearbox

Warning about Using GL5 Transmission Fluid in t...

For those of you running GL5 in your NC 6 speeds, here is why you shouldn’t. GL5 isn’t rated for bronze/brass components and what happens is the phosphorus in the...

Warning about Using GL5 Transmission Fluid in t...

For those of you running GL5 in your NC 6 speeds, here is why you shouldn’t. GL5 isn’t rated for bronze/brass components and what happens is the phosphorus in the...

Shifter Bushing Installation Guide

Shifter Bushing Installation Guide

An upgraded shifter bushing is one of the easiest ways to improve the feel of your shifter. In addition to improving the feel, these can also help extend the life...

Shifter Bushing Installation Guide

An upgraded shifter bushing is one of the easiest ways to improve the feel of your shifter. In addition to improving the feel, these can also help extend the life...

OEM Machining Failures – Why They Fail

OEM Machining Failures – Why They Fail

We’ve rebuilt hundreds of Mazda transmissions, and have noticed a few common failure modes for these transmissions. These failures aren’t typically caused by wear and tear, or abusive driving, and...

OEM Machining Failures – Why They Fail

We’ve rebuilt hundreds of Mazda transmissions, and have noticed a few common failure modes for these transmissions. These failures aren’t typically caused by wear and tear, or abusive driving, and...

NA 1.6 to 1.8 Transmission Differences

NA 1.6 to 1.8 Transmission Differences

There is something we want to address to the Miata crowd. It appears that there is a massive misunderstanding of the differences between a 1.6 and a 1.8 trans. The...

NA 1.6 to 1.8 Transmission Differences

There is something we want to address to the Miata crowd. It appears that there is a massive misunderstanding of the differences between a 1.6 and a 1.8 trans. The...

NC LSD Differential Failures

NC LSD Differential Failures

Here is a look inside a stock NC differential that has failed Here is an NC differential ready to be torn down. Diff cover ready to be taken off.  If...

NC LSD Differential Failures

Here is a look inside a stock NC differential that has failed Here is an NC differential ready to be torn down. Diff cover ready to be taken off.  If...