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Just Another Damned Z Car Project Thread

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In more news, my Katool 4 post lift should come in the next week!

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So, with two perfect gaskets, I bolted the DBW throttle body up to the N42 manifold. I’m short a stud. I know most of you would have seen that and just let it go, but @Yarb is a brutal task master and he would have given me hell for not fessing up…

IMG_5383.jpeg

Indeed….. Let me know and I’ll have another headed your way!!

On 12/28/2025 at 9:26 PM, conedodger said:

In more news, my Katool 4 post lift should come in the next week!

So jealous right now

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Need a little help from my obsessively cataloging Z brethren. I am likely going with an iBooster so I will not be pulling vacuum from the intake manifold. Has anyone cataloged the hole sizes? I need to source aluminum plugs.

Also, I drew up a blanking plate for the cold start injector port. But, I recall someone has already made one. Godzilla?

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Just now, Yarb said:

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Good! Because I just looked at the Godzilla blanking plate and there ain’t no way!

There is a recent thread cataloging the thread sizes in the manifold, I believe...

  • 2 weeks later...
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So, down the road, after I’ve gotten things running the way I’d like, I’m thinking of going to ITB’s. But, I’m committed to DBW. I removed the pivot for linkage from the firewall so I’m all in. When I go to ITB’s, how do I control three throttles?

IMG_9649.png

I see a cable linkage that pulls down at the left arrow. And the front two ITBs are connected to the middle two ITBs at the right arrow.

image.png

And there is a list of options on their site.

image.png

I'm not familiar enough with the Jenvey setup to explain the first two options. The third looks like a throttle-by-wire setup.

I just found another picture that may show the double linkage.

image.png

Edited by SteveJ

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On 12/28/2025 at 8:26 PM, conedodger said:

In more news, my Katool 4 post lift should come in the next week!

Update on the 4 post lift. It will be delivered Thursday the 15th. It will take a while to erect as my help went back to New York on the third, but… it will be here.

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