Injectors and turbos

Information on the naturally-aspirated KA24E and KA24DE engines.
apoorboy
Posts: 49
Joined: Fri Jun 06, 2003 3:02 pm
Car: old school bugs

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Ive a few quick questions.

The first question is will SR injectors directly replace KA injectors. If so what cc are the SR and the KA injectors. Who makes the KA injectors and do they make any other injectors that will directly replace the KA injectors.

Ok now for the turbo questions. I welded my JGS manifold tonight and I am having a mounting plate made for my CT26 turbo. What angle do i need to mout the turbo at so that it will clear my shock tower?

In other news my friend that was helping me out tonight came up with a great idea about cutting the top off of the manifold pipe with his chop saw and building a cone shaped flange to join the manifold to the turbo flange. He thinks that the air will be directed more evenly to the turbo. What do you guys think is it worth the effort.Later


Chingon
Posts: 2802
Joined: Sun Jul 06, 2003 8:45 am
Car: 1991 and 1992 hatchbacks

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ct26 turbo...? nice selection. As for the injectors, i think they are 370cc's and a direct replacement.

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hannibal
Posts: 9680
Joined: Wed Sep 11, 2002 2:38 am
Car: Red Line to Glenmont
Location: Washington DC

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Stock KA injectors are 260-270cc. SR injectors are 370cc. Some VG30DE(T?) injectors fit the KA-DE. They are 370cc too.

Structure240sx
Posts: 5615
Joined: Sun Oct 06, 2002 5:04 pm

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nismo/tomei make direct replacement injectors for the ka/sr 550's and 740's i have the 740's

about the manifold i would lightly bolt it to the head then sit the turbo on it to get a good placement and mark that place or tack it on. then have it welded right. i dont think a cone shapped flange will do anything. jsut use the mounting plate that comes with the manifold

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node
Posts: 381
Joined: Mon Nov 17, 2003 4:13 pm
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WOW finally someone using the CT26. Is the housing the supra one or the MR2 one? Keep us up to date and post pics when its done.

apoorboy
Posts: 49
Joined: Fri Jun 06, 2003 3:02 pm
Car: old school bugs

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I have the ct26 from the supra. Ther is also a guy on the forums that is using this turbo. WAbernethy. I Have tacked everything together but I dont want to use the flange mount from jgs. The mount is pretty thin so i went to a industrial supply place and they gave me a piece of 3/8 in steel to make the flange mount from. The opening for this is about 3 inches so there will be a little more air flow. Now all i need to do is find a ct26 flange to mount my turbo on and build the down pipe.

toki
Posts: 1344
Joined: Thu Jan 09, 2003 7:27 pm

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IWannaS15 wrote:Stock KA injectors are 260-270cc. SR injectors are 370cc. Some VG30DE(T?) injectors fit the KA-DE. They are 370cc too.


I'm pretty sure VG30DET(T) injectors are top feed, making them drop ins for the SOHC only.

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huguetpj
Posts: 996
Joined: Mon Aug 19, 2002 7:54 am
Car: 93 KAT Coupe

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toki wrote:I'm pretty sure VG30DET(T) injectors are top feed, making them drop ins for the SOHC only.


Don´t know about that... but 94+-96 300zx TT injectors ARE 370cc side feed and direct replacements for the KA24DE and SR20DE.

toki
Posts: 1344
Joined: Thu Jan 09, 2003 7:27 pm

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yeah, yesterday I just found the wrong info. A couple places were listing the VGTT as side feed, and it looks like maybe some of the Z31 turbos had either side or top? I dont know. Darn Z cars *rabble rabble*


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