General For General 240sx/Silvia (s-chassis) discussions.

Build a 400+ ka motor?

Old Feb 10, 2006 | 06:41 PM
  #1  
mys13rocks's Avatar
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From: 714 california WEsTMinSter
Talking Build a 400+ ka motor?

Ya so i now work at speedomotive!
any body interested on making some serious hp?
im talking about building every thing on the ka,sr, or RB? hell any thing..
we've got machinery worth over millions of dollars just to build motor's all day. so far its V8's that they've been working on. but they can build just about any thing. we have some import's being worked on.
any way i believe i posted a thread named "blue printing the ka"
its gona take some time seeing how all the parts are available but i just dont have the cash yet.
but what i want too see is some peeps who are down to build a bullet proof motor!
im talking about fully built ka that can hold over 20psi daily.
we do just about every thing to a motor that can be done.
boring, honing, machining, port and polish, balance, knife edge the crank, stroke, destroke, turbo, or all motor.

i just wanted to let every body know if any body is serious about making some serious power to give us a call. ask for mike.PHONE (626) 869-0270 after getting a hold of mike tell him henry sent u.



im making build kits for ka, and sr. right now so give me some time to research parts.

Last edited by mys13rocks; Feb 10, 2006 at 06:51 PM.
Old Feb 10, 2006 | 08:16 PM
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I'll add that you might want to get a hold of Paul Saintclair at NISMO and get some fully counterweighted cranks for the KA24, it will exceed redlines of upto 8000RPM....... Since you work at a shop your boss might front for some of those bad a$$ cranks...
Old Feb 10, 2006 | 09:04 PM
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I'm excited to see what you guys will be doing. You're located very close to my house and I'll stop by one of these days when I'm turbo'ing my KA.
Old Feb 10, 2006 | 09:39 PM
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props man you have my dream job, I'm afraid I can't like you anymore........j/k
Old Feb 10, 2006 | 09:55 PM
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Planning on getting a website up? If you want me to help with that let me know:

djsuppaisaru@gmail.com
Old Feb 21, 2006 | 11:10 PM
  #6  
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BigVinnie "I'll add that you might want to get a hold of Paul Saintclair at NISMO and get some fully counterweighted cranks for the KA24, it will exceed redlines of upto 8000RPM....... Since you work at a shop your boss might front for some of those bad a$$ cranks..."

umm yea i found out that speedo holds there own custom knife edging technique and now has a full on balance shop being built as we speak. yea the knife edge technique its not like a knife /\ /\ like this. its more like this /l l\ pushes the oil away from moving parts there for less windage and my crank right now is only 1 gram off the main and 3gram off rod. just needs speed cut crank style and further more the balance to almost 0.5 grams of balance hopefully. will rev to 8grand..


Dj Suppai Saru "I'm excited to see what you guys will be doing. You're located very close to my house and I'll stop by one of these days when I'm turbo'ing my KA."
Dj Suppai Saru "Planning on getting a website up? If you want me to help with that let me know."

yea im searching the parts for heads on ka and sr. ive compiled a list of parts so far that are hp garanteed.
for the head :ferrea alloy valves, retainer, comp cams, comp springs,ported head [intake honed and polished and exhaust just bore a lil to meet the gasket and of course polish]
havent done any testing yet but i do have a head being built right now with all those parts. will let u know how that turns out.
also for the bottom end:
ross, or je pistons are available, eagle h beam rods, speedo cut crank job, full engine balancing. {should be interesting}
any ways yea send me a your # . pm me about the web site.
Old Feb 21, 2006 | 11:21 PM
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i also do have some what of a list on the turbo kit i wana put together for sale.
it does have a tubular[THICK] turbo manifold, t3t4turbo , msd injectors, custom fuel rail, fuel pump,high flow fuel filter, turbo piping, intercooler [medium sized], custom turbo exhuast manifold, ecu[can rechip or reflash.
extra-
piggy backs- apexi, hks, blitz
bigger turbo
msd 6BTM TURBO ignition[with turbo retard so u dont spike]
oil cooler
oil catch can
and more!
but im gona needs some time to figure some things out.
Old Feb 22, 2006 | 05:13 PM
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Damn Henry, really cracking on the KA eh?

Anyways, recently I've been thinking about going RB, for the pure fact that it's internal is ALMOST bulletproof.

But with this awesome news, I might need to pick up an extra KA and start building that one.
Old Feb 22, 2006 | 05:37 PM
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Well If you go RB go big and get the RB26...........
Old Feb 24, 2006 | 06:44 PM
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why rb so the po po can tow and crush your car?
they know whats up they have black books and pictures of what your suppose to have nowadays[execpt biker cops]. make it look stock but keep the fully built motor in mind and as for the turbo just slap a stock ka heat shield over it .

honestly BUILD THE KA -the price is equal the same for a stock rb.
stock rb versus a fully built ka....hmmmm fully built ka is what i would do. cause to go rb u have to spend like 2.5k or 3k. when u can drop 2.5-3k on a fully built ka motor turbo with a high rev to 8grand. IT CAN BE DONE MUAHAHHAHAHHAH love my job.. every day im here i find out more shiet. lol any ways the price list on crate ka's should be done in a week or two.
my goal is 400+ hp ka26det. wish me luck.
Old Feb 25, 2006 | 06:49 PM
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ka26? What exactly do you plan to do?
Old Feb 26, 2006 | 02:04 PM
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Originally posted by Dj Suppai Saru
ka26? What exactly do you plan to do?
The only thing available on the market for a 2.6 litre KA is the IPP stroker kits. Garbage kits IMO, it just increases the stroke of a already too stroky crank. It will disturb the harmonics even more and cause a 700 RPM decrease in rev to redline. So instead of the KA redlining at about 6200 (in stock), the valve train is only stable at a redline of 5500 RPM. It doesn't sound like a very wise choice, especially since it increases upward piston momentum. Also decreases the top speed of the car to about 110MPH instead of 135MPH
It also F$cks with the Rod/Stroke ratio of the engine, I guess using the stock cams would just decrease the actual performance that would need to be made. Especially since deck heigth of the block goes unchanged.
If you want a street legal 2.6litre turbo engine, just buy a 1986-1989 mitsubishi starion. (mitsu 2600) Short stroke big bore, with a shorter rod and larger piston, allowed for a 7000RPM redline.
In my opinion companies need to focus on producing a fully counter weighed crank for the KA, smoothing out the harmonics will only multiply it's power output as well as increasing redline to about 7000~7500. If you look at the oldschool FJ24e it used a fully counter weighed stroker crank (88mm) slightly smaller than that of the KA's half weighted crank , (compared to KA's 96mm stroke), and used smaller rods and 92mm pistons. The FJ engine would achieve a 7400RPM redline, and was a badass engine for it's day.....

Last edited by BigVinnie; Feb 26, 2006 at 04:12 PM.
Old Feb 26, 2006 | 08:46 PM
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Ok I got most of what you said, but my question was how would you go about increasing the displacement of the ka24 to 26? Sry, Im kind of a n00b when it comes to this stuff.
Old Feb 26, 2006 | 09:04 PM
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displacement = bore x stroke x # of cylinders. Incresaing bore or stroke will increase displacement, however increasing stroke hurts engine redline (short stroke = high redline), increasing bore may have a similar affect (bigger overbore piston may be heavier than smaller stock piston) but that may be countered with ligthweight pistons
Old Feb 26, 2006 | 10:03 PM
  #15  
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Wait, so according to your formula:

Displacement = bore x stroke x # of cylinders

so on a stock ka, its:

D= 3.504(bore) x 3.780(stroke) x 4(cyl)

= 52.980?

What am I missing?

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