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HybridZ

1971 240z ITB install


DuffyMahoney

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  • 3 weeks later...

Custom grade 5 titanium studs of my design. I am so tired of installing the old studs and I hate the look of the allen ones. I designed intake, exhaust, my intake balance banjos, knock sensor stud, stack studs and my intake intake/ throttle studs! The flat spots work perfect with a box wrench. I also love the look of a rounded tip on a stud. I think they came out awesome, after testing I will be selling. I bought enough, that they should be fairly cost effective as well.

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Edited by DuffyMahoney
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  • 1 month later...
240z hidden drive by wire actuator for my ITB setup. This is design number 4.
This plan utilizes a Efi hardware actuator. The goal is the same length arm to the bell crank and distances from shafts and the rod. So the rod passes through the firewall evenly and doesn’t walk from left to right.
This will mount to the pedal plate and the steering box mounts. So behind the firewall
Prior designs walked too much in the hole and I don’t want that.

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  • 1 month later...

Well I decided to pick a new header. I wanted the header to give my room on port 5-6 for my lower mounted actuator and also get out of the way of the throttle bodies a little more. I decided on the Kameari drag 45mm. Which I purchased through Binh Nguyen.

The header design gives me plenty of clearance for my actuator and throttles! Pretty darn happy with it overall. Prior I had a now moth balled Fujitsubo header. Which had a terrible runner design for a lower actuator.

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  • 3 weeks later...

Man that is so cool. Not as cool as a DOHC though. 😀  I'm for sure going to do this mod at some point especially after seeing how responsive it is. Great job!

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On 4/15/2025 at 3:42 AM, Derek said:

Man that is so cool. Not as cool as a DOHC though. 😀  I'm for sure going to do this mod at some point especially after seeing how responsive it is. Great job!

I don't have DOHC type funds:) 

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Here is something fun/ silly I have been thinking of and finally made. It’s a remote oil pressure distribution block made to look like the stock 240z brake prop valve. I previously had a steel T In the block, that broke off and then when I was using an easy out I cracked my stock block bung. I said never again!
3D metal printing is neat stuff. I had it tumbled to look even more cast.
I run stock gauges and my ecu needs its own signal. This location allows stock wiring to also work.

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