KA24ET MILD BUILD

Your premier source for information on the Turbo KA: KA24E-T and KA24DE-T (KA with aftermarket turbo kit)!
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shift_240
Posts: 27
Joined: Mon Jan 24, 2005 9:20 pm
Car: 90 240sx stock

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i wanted to start a new thread old build thread was dying out so here it goes. from the last time i updated i installed:

autometer water psi/temp/a/f gaugesdohc digital clusterhayden oil coolerebay oil relocation kitfet turbo timeraftermarket steering wheel and shifter.2 RF 12's in sealed boxinsignia 1000w ampalpine type r speakers all aroundrattle can fabric/vynal paint on dash and door panels

things i need to install safc2sunpro 5" tachwastegate downpipenew agency bovn60 mafmore to come

here are the picsengine shotoil relocation kitoil coolerdigital cluster and fet turbo timerautometer a/f.water temp/oil psiinterior shotthe boom shotcar shot

now things i need to installbovsunpro tach (dohc digital cluster tach doesnt work need a external unit)wastegate downpipesafc2#11 ecu 90 auto ecu same as mine

Problems:couple things i ran into. first thing are my gauges my psi gauge reads 100 all the time . i installed a new vdo oil psi sensor and placed it into my oil relocation kit. do i need to put the sensor where the old one is located. heres a shot of that

now my water temp isnt reading at all. i searched and read that the red plug near the thottle body is where i should install it but it doesnt read when i wired it into the blue wire comming from the sensor. do i need to wire the black wire to the gauge also? theres a bottom sensor on the lower rad hose do i use that?

the digital cluster i installed was for a dohc now it doesnt read a sohc rpm. i bought a sunpro external tach. it comes with 4 wires red (12v) black (ground) white(illumination) and green (signal wire) i can install all the other wires but where do i get the signal for the green wire? anyone have a diagram of a sohc rpm signal output on the ecu. also i heard i can look in the back of my cluster and find the TAM screw which gives out the tach signal. i know in analogs they have this option but not sure about digital tachs.

My bov is recirculated right now. the new bov i have do i need to do same thing?spring is 14psi but wastegate is 7psi. can anyone help me understand the relation? do i need a MBC to lower psi from the bov? can i buy a new intake without the recirculated opening?

safc2 i bought it cheap but dunno if i should or not. i have the 480cc rx7 injectors and a q45 maf still. it would be a good upgrade but i have no clue how to tune the safc2. i have got a spare ecu. would it be a better option to sell the safc 2 and try to get someone to tune the spare ecu? anyways hope i get good response from all this. ill keep updating on my project. KA24E-T FTW! :D :D :D


User avatar
shift_240
Posts: 27
Joined: Mon Jan 24, 2005 9:20 pm
Car: 90 240sx stock

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just a quick update i installed new rear sway bar from suspension techniques with energy suspension end links.

stock set up



stock vs. beefy rear sway bar

installed with new energy suspension bushings


r3v_v3ng3
Posts: 868
Joined: Sat Feb 24, 2007 7:53 pm
Car: 91 fastback ka-t

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looking good man. btw how's your auto transmission handling all the power cause my friend wants to turbo his ka also but his is auto

GreGS15
Posts: 159
Joined: Tue Sep 23, 2003 7:14 am

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hey man nice build,,,SINGLE SLAMER FTW

Just so you know, you have 2 options with your tach. You can rewire that DOHC tach to work with the SOHC, or get a SOHC tach from a HUD unit. The tach is held in with 3 screws. You can use a SOHC tach from a analog cluster, but the tach won't fit properly.

I will trade you my SOHC tach from my HUD, for your DOHC tach from your HUD. Mine worked perfectly, but I just swaped an ESSAAARRR 20. We each just pay for postage to one another. Let me know.

Don't use that big tach, it just screams rice. Way outta place if you ask me. Everything else looks and sounds pretty sweet.

Hopefully that Fram is just for mock up, frams are the bottom of the barrel for oil filters. Although I have read that they have cleaned up their design, the horror stories are all over google and nico.

Go OEM if you can.
Modified by GreGS15 at 4:53 AM 6/7/2009


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