1X vs 4X Cam Gear
Thread Starter
Teching In
Joined: Sep 2025
Posts: 24
Likes: 1
From: Henley-on-Thames, United Kingdom
1X vs 4X Cam Gear I'm deleting the VVT on my L92 and swapping to a 3 bolt cam. I'm using an aftermarket ECU. A friend has an old 1X cam gear from an LS2 left over after they upgraded to a double chain kit. Is there any advantage to getting a 3 bolt LS3 4X cam gear, or should I just run the 1X LS2 gear?
If it will make a difference, I'm happy to spend the $40 now on a new 4X gear rather than hamstringing myself later on when getting it tuned.
If it will make a difference, I'm happy to spend the $40 now on a new 4X gear rather than hamstringing myself later on when getting it tuned.
Last edited by MattFatPanda; Jan 4, 2026 at 03:12 PM.
I'm deleting the VVT on my L92 and swapping to a 3 bolt cam. I'm using an aftermarket ECU. A friend has an old 1X cam gear from an LS2 left over after they upgraded to a double chain kit. Is there any advantage to getting a 3 bolt LS3 4X cam gear, or should I just run the 1X LS2 gear?
If it will make a difference, I'm happy to spend the $40 now on a new 4X gear rather than hamstringing myself later on when getting it tuned.
If it will make a difference, I'm happy to spend the $40 now on a new 4X gear rather than hamstringing myself later on when getting it tuned.
Thread Starter
Teching In
Joined: Sep 2025
Posts: 24
Likes: 1
From: Henley-on-Thames, United Kingdom
Probably the ME442 from Motorsport Electronics.
https://motorsport-electronics.co.uk...nated-harness/
There are only a handful of ECU’s that will interface with the CAN on my Miata NC, and even fewer that retain functionality of the power roof (it requires specific CAN signals from the ECU).
https://motorsport-electronics.co.uk...nated-harness/
There are only a handful of ECU’s that will interface with the CAN on my Miata NC, and even fewer that retain functionality of the power roof (it requires specific CAN signals from the ECU).
On The Tree
Joined: Sep 2009
Posts: 113
Likes: 59
From: Akron, OH
I dont think there is a major difference performance wise. The 4x has more resolution which theoretically helps at higher RPM. In my LS6 in my C5 I ran a LS9 cam and 1x gear for 2 years without issue, seeing as much as 7400rpm. The main thing, already mentioned, is get what the PCM is looking for. I had to stay 1x to use the factory C5 PCM.
