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Author Topic: Ka-t S12 Project  (Read 9609 times)

Offline GriffinW

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Ka-t S12 Project
« on: 10:58:41 AM / 26-Dec-07 »
Ive started this thread a while ago on 240atlanta.com, because its the forum I visit most frequently. So ill just copy all the updates on to here... Enjoy.

I picked her up from an insurance auction for $250, and she ran   . Turns out she was owned by a hippie and was abandoned in a BP parking lot while her owner caught a ride to California. anyways on with the thread

as she sits now..




block and stuff after I got it back from the machine shop...






here is the only picture I have of anything before the machine shop...


other parts I've collected...











got a walbro 255 and arp head studs for cristmas, Im a highschooler so this isnt a very fast build. But hey I'm doing everything right the first time. Ive decided to start with building a solid engine and then working on suspension, which is usually coonsidered working backwards but I already know alot about suspension so I decided to further my understanding of engineering first lol.

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Offline Nitro

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Ka-t S12 Project
« Reply #1 on: 12:14:02 PM / 26-Dec-07 »
How much power do you expect of this engine? Looking good and expencive
You will need a better brakes in the first place.
The project looks good!

Offline worr20

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« Reply #2 on: 01:24:17 PM / 26-Dec-07 »
yeah, brakes arent that important, but you wnat to be able to control what you create. great job so far
hella not flush

Offline GriffinW

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« Reply #3 on: 02:52:04 PM / 26-Dec-07 »
Yea brakes are most definitly near the top of the list. im doing the S13 front suspension swap so ill probably get ss lines and powerslot rotors + some hawk pads.

I want my final goal to be upwards of 450hp

Offline asparagus

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« Reply #4 on: 05:29:38 PM / 26-Dec-07 »
Looks great man, it's like the exact opposite of my build right now. I focused almost entirely on suspension while wanting to just simply drop in a stock doch ka with minor mods and maintenance done. What turbo setup are you planning and are those aluminum motor mounts I spy?
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Offline GriffinW

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« Reply #5 on: 10:21:14 PM / 26-Dec-07 »
Indeed those are aluminum mounts.

The turbo I picked up only cost me $100, its a Garrett T04E housing with a .63 A/R. The guy didnt know much about the turbo. It was on his 240 when he bought it and the previous owner had bought one of the first KA turbo kits on the market back when they got popular. So I dont know much about the turbo. All I know is that it has shaft play and is in need of ethier a rebuild or a new catridge all together.

Ive got lots more parts, it just they are at my shop and I dont usually take a camera there.

here is another picture of the turbo, I can take more if someone can help me identify it...


Online JonB

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« Reply #6 on: 11:20:33 PM / 26-Dec-07 »
Cool! Looks like a really fresh start for the motor. And looks like the hippy didn't beat up the car at all. From what I can tell looks like a pretty clean car.

Offline GriffinW

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« Reply #7 on: 05:40:33 PM / 27-Dec-07 »
Thanks!

It was a really nice find for 250. Here is a picture of the interior, im partial on the blue dash so idk what ill do about that.


Offline mod_mastaz

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« Reply #8 on: 07:26:26 PM / 27-Dec-07 »
Blue dashes rocks haha, at least its not BEIGE or tan or something. Darker color dashes appeal to me more than brighter ones, but it's all preference.

Offline GriffinW

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« Reply #9 on: 01:34:26 AM / 28-Dec-07 »
the blue isnt completely terrible, but my daily is a black maxima with black leather interior so thats what im used to. But hey the only stock piece of interior thats going to be left in there is the dash so its no big deal.

Offline worr20

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« Reply #10 on: 10:45:48 PM / 28-Dec-07 »
wow 450hp is alot for an S12. A LOT!!!. try 250hp and work your way up from there.
hella not flush

Offline GriffinW

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« Reply #11 on: 11:32:50 AM / 29-Dec-07 »
Well Im not looking to have your regular S12 lol. Plus its not an everyday car by any means. Probably will never see the road more than a few times a month.

Offline firestarter

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« Reply #12 on: 07:56:24 PM / 03-Jan-08 »
Quote from: worr20
wow 450hp is alot for an S12. A LOT!!!. try 250hp and work your way up from there.


450crank hp is not unheard for a KA-t, even stock bottom ends have held this much power,
having a built bottom end should handle that hp without to much issue, what manifold will you use, what are you going to do for fueling and wich trans are you going to use, i am doing a KA-t as well, I have a thread going on mine but havent updated it in a while, I blew most of my car funds on a vacation to hawaii for x-mas so my S12 and Beetle have been neglected for the past month and a half. PM me if you have any questions I have built more than a few boosted vw's but this is my first nissan, I am going to bolt in my KA once my mounts arrive and have to wire in the megasquirt!
question-"so why did you get an S12??"
Answer-"cause Corvette owners used to hate being molested by my GTI, now that the C6 Z06 is out, I wanted RWD, plus I'm cheap!!"

Offline GriffinW

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« Reply #13 on: 08:20:17 PM / 03-Jan-08 »
Im either going to go with the Revhard manifold or the JGS manifold, both are the log style. KA's are tough motors and can take a beating as long as they are tuned corretly. They can also be a huge pain in the ass if they arent tuned correctly though. AMS sells a fuel kit that consists of all SS lines and AN fittings with your choice of injectors (i think ill get 84lb/hr), a FPR w/ gauge, resistors for injectors, top mount fuel rail, injector pigtails, and I already have a walbro 255. The kit is a bit pricey but its worth it to have everything you need the first time you spend money.

As for engine management, Im not too sure yet. Im trying to decide wether I want to tune myself or not. I havent looked into megasquirt too much, so I dont really understand it. I was thinking going with E-manage and the E-01 so I have everything I need in the car, no need for a laptop.

Offline worr20

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« Reply #14 on: 08:35:48 PM / 03-Jan-08 »
Quote from: firestarter
450crank hp is not unheard for a KA-t, even stock bottom ends have held this much power,
having a built bottom end should handle that hp without to much issue, what manifold will you use, what are you going to do for fueling and wich trans are you going to use, i am doing a KA-t as well, I have a thread going on mine but havent updated it in a while, I blew most of my car funds on a vacation to hawaii for x-mas so my S12 and Beetle have been neglected for the past month and a half. PM me if you have any questions I have built more than a few boosted vw's but this is my first nissan, I am going to bolt in my KA once my mounts arrive and have to wire in the megasquirt!

oh know. I know KA can take a beating and can handle it very easy. Im just saying a 450hp S12 would be a stupid fast car for a high school kid expecially.
hella not flush

Offline firestarter

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Ka-t S12 Project
« Reply #15 on: 11:15:54 PM / 03-Jan-08 »
Quote from: worr20
oh know. I know KA can take a beating and can handle it very easy. Im just saying a 450hp S12 would be a stupid fast car for a high school kid expecially.


that is true, I am in my mid twenties and a 300hp GTI was a lil much,

Quote from: GriffinW
Im either going to go with the Revhard manifold or the JGS manifold, both are the log style. KA's are tough motors and can take a beating as long as they are tuned corretly. They can also be a huge pain in the ass if they arent tuned correctly though. AMS sells a fuel kit that consists of all SS lines and AN fittings with your choice of injectors (i think ill get 84lb/hr), a FPR w/ gauge, resistors for injectors, top mount fuel rail, injector pigtails, and I already have a walbro 255. The kit is a bit pricey but its worth it to have everything you need the first time you spend money.

As for engine management, Im not too sure yet. Im trying to decide wether I want to tune myself or not. I havent looked into megasquirt too much, so I dont really understand it. I was thinking going with E-manage and the E-01 so I have everything I need in the car, no need for a laptop.



I have a revhard mani, and i am pleased with it, I have used Emange and I liked it, you would too, get it, then pay to have it tuned for the first round and you can learn as you go if you upgrade, Megasquirt is the I am going as I have used it in my GTI before and I am fairly comfortable with it! I have a block out for machining and saving my pennies for cams and what not, but I am putting in a stocker KA for now to get a fairly good tune on 10psi before stepping up to big power with the built bottom end!
question-"so why did you get an S12??"
Answer-"cause Corvette owners used to hate being molested by my GTI, now that the C6 Z06 is out, I wanted RWD, plus I'm cheap!!"

Offline GriffinW

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« Reply #16 on: 08:49:12 PM / 04-Jan-08 »
Here's an update, not too much progress but its more pictures for you to look at.



Block all painted up




Here some pictures of the shop we just built. It was being used as a temporary storage facilitly until we started working on the car, so now we have to clean all the crap out before we can get the S12 in.




We built an upstairs to clear up the floor downstairs, eventually we will get pegboard on the wooden studs on the lower level to hang up tools, belts, parts etc.



Here are my shelves of engine parts...



Small block 351 that we have laying around, along with a motorcycle and pretty much any other random mechanical crap you can think of.





And here is a picture of my friends vicious dog Madeline.





Next update will be once we start to build the motor.
« Last Edit: 08:55:26 PM / 04-Jan-08 by GriffinW »

Offline TechDaddy

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Ka-t S12 Project
« Reply #17 on: 08:59:27 PM / 04-Jan-08 »
I dig the color of your block, I went black personaly. Be sure to clean your gasket surfaces REALLY good. Unfortunatly KA's are prone to leaking at all of the silicone gasket areas, don't over do it either. Silicone cloging filters, passages, ect is really bad! Good luck. I am watching this post closely.
Ok no longer own a Nissan...for now
76 Chevy Stepside Lowered Pickup
My current Project

77 Chevy Caprice Classic 7 Pass SW
no mods she is the family-mobile but
she runs and I can put alot of stuff in her plus my very tall self
and my very tall kids!
 
1987 Hatch w/KA24DE swap - SOLD
Z-31 IRS,wheels & brakes
'88 SE front brakes, suspension & airdam
R-32 Skyline shift lever(2"shorter)
Custom shift boot
Eclipse shift knob
86 S-12 Turbo front seats

Offline GriffinW

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« Reply #18 on: 09:03:37 PM / 04-Jan-08 »
Yea I will watch every gasket surface very closely. every metal to metal contact (gasket surface) area is taped off. I took my time with the taping, made sure it sealed, and razored the edges so it should be perfect.

Offline Draconis

Ka-t S12 Project
« Reply #19 on: 11:43:04 PM / 04-Jan-08 »
Looks good.. now stop jacking my last name. LOL  For real too.  It is my last name on my social.