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Bwana
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5231 posts
'89 240 coupe '91 240 coupe '77 MGB '50 GMC
Fort Collins CO
9-16-2004

  Project el cheapo KA-T


To preface this chronicle, I'd like to clear up the reason of why.

Answer: I recently scored a smoking deal on a complete RB25 swap.

Mmmkay. With that out of the way, on to the project itself.

Project vehicle: My bone stock '89 SOHC coupe. with 248,xxx mi on it.

The plan: Turbo the KA using mostly random parts I have laying around and spend less than $200 doing it. Hopefully have it run for a week or so .

The initial progress:



A buddy of mine had a spare KAe exhaust manifold laying around, so this is what we've done to it. It's not finished only because I decided to order a set of T2 flanges off eghey instead of making my own. As soon as the flanges come in I'll put everything together and tig it properly.

The unlikely hero of the story:

Yes, that's a stock CA t25. About the smallest turbo evar . Oh well, it's what I have. Unless one of my local buddies decides to donate a spare t28 he has laying around...

I have the oil lines on order, a 8:1 FMU borrowed, a walbro on the way, and a couple other random parts to gather up. I'll be borrowing an old sidemount i/c from another buddy and using pvc pipe (save time and $$$) for the intercooler piping.







eds13
Special Ed



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5362 posts

We are the all singing all dancing crap of the World
11-1-2004

 « Re: Project el cheapo KA-T (Bwana)


um... thats some serious ghetto riggin. have fun





Florida240sx
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11440 posts
93 Hatch 5spd 93 vert 89 hatch
DeLand FL
7-1-2004

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must have vid



KA24DE IAP Turbo kit for sale http://forums.nicoclub.com/zerothread/311646
S14 for sale http://forums.nicoclub.com/zerothread?id=294220



Megan Racing Parts supplier.Among many more companies Act, hks, b&m, sparco,msd,etc. hotrod6000000@yahoo.com
KA-T why settle for anything less?

WDRacing
Super Grumpy Moderator



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13002 posts
1995 240SX, K5 Blazer
USA
11-25-2002

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Great project man. I LOVE a serious DIY setup, and yours is basically the epitome of DIY. The CA is tiny, but for low boost it will be a fun daily driver. Probably get you close to 200WHP for extremely cheap. Do keep us posted.

WD




TheOne

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1681 posts
93 240sx FB
Arlington TX
8-9-2004

 « 


i wish i had turbos and parts layin around:(, all i have is a block & crank & 2 messed up cylinder heads,lol.

sounds like a nice build up though, for the price!



93' 240sx fastback - 10.240 @ the local 8th mile.

"Horsepower sells cars, torque wins races" - Carroll Shelby

"Horsepower is the force that determines how fast you hit the wall. Torque is the force that determines how far you take the wall with you after you hit it." - Unknown

"Real cars don't make power at the front wheels....they lift them."

sil80drifter



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1264 posts
1990 240SX Hatch
Middle of CT CT
8-18-2002

 « Re: Project el cheapo KA-T (Bwana)


That poor SOHC manifold looks frikkin raped and mutated. Kind of like a torn up a**hole.
But 200whp! probably worth trying =]

sil80



I drive fast, I turn fast, I do everything fast. I even breakfast. I tend to confuse people with my sudden changes of heart. Sometimes I even confuse myself, which tends to cause problems.
boznuttz
mad wordsause



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3357 posts
MS13
wordsause ny
3-15-2006

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Lol! Keep us upadated!




redtop91
Meat Gazer



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9-7-2006

 « Re: (boznuttz)


This thread is like watching a fight. Someone should stop it but it is too damn entertaining.




S13FX
Moderator



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1942 posts
1990 Something or Another
Lake Villa IL
4-30-2005

 « Re: (redtop91)


No way man I think this project is fwakin awesome. People spend so much effort to get 200rwhp NA, and here he will get it under 500 dollars, small turbo so no lag. This car will be fwakin awesome daily driver. And best of all the parts his using are really cheap to get too.

Keep us posted homey.





Chezedik
...and then there were three.



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4616 posts
1991 Nissan 240sx
Overland Park KS
12-17-2002

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You need to bake the mani before you weld it. That will make it stronger.

I am excited to see this old girl. I would use a smaller FMU if you can help it though. 8:1 may be a bit much for a t25. Although, I understand the point is affordability. You probably could skip the intercooler altogether with an 8:1 FMU.

Good luck - you must post video!



Check me out, I'm a ricer: "I am going to get a stage two turbo kit, and nitrous, just like I saw on N4S Underground!!!"

Stuff for Sale:


!!!BUY MY CAR!!!! 1991 240sx KA24DE-t for sale, very nice!

Stock and Performance Parts For Sale

FS: KA24DE MAFS, Wheels, MORE!

FS: TiAL 38mm, Jacob's i.C.E. Pak Ignition system, Z31 T3/T04b V-trim turbo more

eazye2000
Not your mom's KA-T



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1471 posts
of FAIL...
Hanscom AFB MA
6-27-2005

 « Re: Project el cheapo KA-T (sil80drifter)


Quote, originally posted by sil80drifter »
That poor SOHC manifold looks frikkin raped and mutated. Kind of like a torn up a**hole.

sil80

I'm gonna second that thought. But it can't be as bad as my Ford 4.9 I-6 with a T4 Blow Through Carburated setup i botched back in the day. I'll have to dig up pics..

This thread is gonna be teh sechs!!





Edub1
Forum Sage



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1884 posts
89 240sx KA-T
Detroit MI
11-10-2005

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PVC pipe will melt.



American soldiers don't sign up to die for their country, they sign up to make the other poor son of a ***** die for his. Hoorah!
redtop91
Meat Gazer



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9-7-2006

 « Re: (Edub1)


What if is not directly connected to the turbo?




Edub1
Forum Sage



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1884 posts
89 240sx KA-T
Detroit MI
11-10-2005

 « Re: (redtop91)


PVC might work after an intercooler but not before. Your compressed air will be far too hot and it will melt straight away.



American soldiers don't sign up to die for their country, they sign up to make the other poor son of a ***** die for his. Hoorah!
WDRacing
Super Grumpy Moderator



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13002 posts
1995 240SX, K5 Blazer
USA
11-25-2002

 « Re: (Edub1)


Aslong as it's not directly attached it will be fine on both sides of the IC. I suggest either long silicone hose or use a jbend for the initial output from the compressor. I've done it before, it works, ugly but effective.

WD




Florida240sx
Moderator



Online

11440 posts
93 Hatch 5spd 93 vert 89 hatch
DeLand FL
7-1-2004

 « 


Get a length of highstrength hose. Think the one we got is for sewer lines. Very thick walls. Has a wire inside of it.



KA24DE IAP Turbo kit for sale http://forums.nicoclub.com/zerothread/311646
S14 for sale http://forums.nicoclub.com/zerothread?id=294220



Megan Racing Parts supplier.Among many more companies Act, hks, b&m, sparco,msd,etc. hotrod6000000@yahoo.com
KA-T why settle for anything less?

S13psi

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30 posts
'92 Hatch
Memphis Tn
12-29-2006

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ghetto lovin'
el Cheapo Bandito!
Chezedik
...and then there were three.



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4616 posts
1991 Nissan 240sx
Overland Park KS
12-17-2002

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Is the plan to run this until it blows, because I have to say, that could be a while if you are taking all of the appropriate steps, which it seems like you are. Do you have the SR piping for the sidemount, if you do, you are made in the shade.



Check me out, I'm a ricer: "I am going to get a stage two turbo kit, and nitrous, just like I saw on N4S Underground!!!"

Stuff for Sale:


!!!BUY MY CAR!!!! 1991 240sx KA24DE-t for sale, very nice!

Stock and Performance Parts For Sale

FS: KA24DE MAFS, Wheels, MORE!

FS: TiAL 38mm, Jacob's i.C.E. Pak Ignition system, Z31 T3/T04b V-trim turbo more

redtop91
Meat Gazer



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15195 posts
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9-7-2006

 « Re: (Chezedik)


I'd like to see how long this lasts. There is a SOHC down the street that I'd like to pick up and eff with.




Bwana
Articles Manager



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5231 posts
'89 240 coupe '91 240 coupe '77 MGB '50 GMC
Fort Collins CO
9-16-2004

 « Re: (redtop91)


The FMU I have is actually adjustable (in some way, it's a buddy's and I've never seen one like it before). I have a front mount that came with the RB, complete w/ piping (for the RB) so I may just throw that in there and figure out a way to make stuff line up. IF it doesn't blow (that's not really the goal, just considered the likely result) I'll drive it until I have the RB fully prepped to drop in. At that point, if everything is still in good shape I'll put the mani/turbo/downpipe/oil lines up for sale for a couple hundred bucks and someone else can enjoy a cheap KAeT .




Bwana
Articles Manager



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5231 posts
'89 240 coupe '91 240 coupe '77 MGB '50 GMC
Fort Collins CO
9-16-2004

 « Re: (Chezedik)


Quote, originally posted by Chezedik »
You need to bake the mani before you weld it. That will make it stronger.

I've been pre heating it with my torch before welding, which is working fine. After I get it all together I'll clean everything up with the tig too.




Chezedik
...and then there were three.



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4616 posts
1991 Nissan 240sx
Overland Park KS
12-17-2002

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It will not blow if you correctly set the FMU. I would love an adjustable unit, but no one knows the level of adjustability. I may just make one adjustable. It would be pretty easy to do.



Check me out, I'm a ricer: "I am going to get a stage two turbo kit, and nitrous, just like I saw on N4S Underground!!!"

Stuff for Sale:


!!!BUY MY CAR!!!! 1991 240sx KA24DE-t for sale, very nice!

Stock and Performance Parts For Sale

FS: KA24DE MAFS, Wheels, MORE!

FS: TiAL 38mm, Jacob's i.C.E. Pak Ignition system, Z31 T3/T04b V-trim turbo more

Brandon93240



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497 posts
1993 240sx
houston tx
2-26-2007

 « Re: Project el cheapo KA-T (sil80drifter)


I don't want to know why you know what a torn up a**hole looks like, nor do I think anyone else does either. Did you do some time in prison or something?
Chezedik
...and then there were three.



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4616 posts
1991 Nissan 240sx
Overland Park KS
12-17-2002

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This is where the post-whores hang out!



Check me out, I'm a ricer: "I am going to get a stage two turbo kit, and nitrous, just like I saw on N4S Underground!!!"

Stuff for Sale:


!!!BUY MY CAR!!!! 1991 240sx KA24DE-t for sale, very nice!

Stock and Performance Parts For Sale

FS: KA24DE MAFS, Wheels, MORE!

FS: TiAL 38mm, Jacob's i.C.E. Pak Ignition system, Z31 T3/T04b V-trim turbo more

NismoBgt

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108 posts
1974 MBG GT with a CA18DET
San Antonio Texas
2-22-2006

 « Re: Project el cheapo KA-T (Bwana)


DaAMMM that is like putting the TOW back in'2 GehTOw
WDRacing
Super Grumpy Moderator



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13002 posts
1995 240SX, K5 Blazer
USA
11-25-2002

 « Re: Project el cheapo KA-T


Technically they're all adjustable because you can swap out the diaphrams. I would definitly apply some pressure via a brake bleeder kit or somthing and see how much the pressure goes up.

With that setup and a 8:1 ish fmu you'll probably be able to run for ALONG time with no issues at all.

Whats the internal WG set to on the T25? 7-8 psi IIRC...just enough to not need any timing retard.

WD




redtop91
Meat Gazer



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9-7-2006

 « Re: Project el cheapo KA-T (WDRacing)


It is supposed to be 7-8 but on the SR T25 it is more like 10. Ionno about the CA's.




ghx407



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265 posts
1993 240SX KA-T
Puerto Rico
11-24-2006

 « Re: Project el cheapo KA-T (eazye2000)


Quote, originally posted by eazye2000 »

I'm gonna second that thought. But it can't be as bad as my Ford 4.9 I-6 with a T4 Blow Through Carburated setup i botched back in the day. I'll have to dig up pics..

This thread is gonna be teh sechs!!

nkin

That's funny, my brother and I were just thinking about turbocharging my dad's '86 F-150 I-6 to see how long it'll hold. It just doesn't seem to die...




http://www.cardomain.com/ride/2242751/1
Chezedik
...and then there were three.



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4616 posts
1991 Nissan 240sx
Overland Park KS
12-17-2002

 « Re: Project el cheapo KA-T (WDRacing)


Some FMUs have an adjustment on the top by the vac line, it limits the vacuum going in and affects the ratio of boost to fuel. Fully open it is probably something like a 12:1 and closed is 2:1 or so.



Check me out, I'm a ricer: "I am going to get a stage two turbo kit, and nitrous, just like I saw on N4S Underground!!!"

Stuff for Sale:


!!!BUY MY CAR!!!! 1991 240sx KA24DE-t for sale, very nice!

Stock and Performance Parts For Sale

FS: KA24DE MAFS, Wheels, MORE!

FS: TiAL 38mm, Jacob's i.C.E. Pak Ignition system, Z31 T3/T04b V-trim turbo more

Bwana
Articles Manager



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5231 posts
'89 240 coupe '91 240 coupe '77 MGB '50 GMC
Fort Collins CO
9-16-2004

 « Re: Project el cheapo KA-T (Chezedik)


Quote, originally posted by Chezedik »
Some FMUs have an adjustment on the top by the vac line, it limits the vacuum going in and affects the ratio of boost to fuel. Fully open it is probably something like a 12:1 and closed is 2:1 or so.

That's exactly what this one's like. I got the FMIC mounted today. If I end up with tomorrow off too, and my flanges and lines come in we'll be boostin' soon! I also scored a r33 crossmember for the rb swap, it was the one thing I was missing. $50 and local FTW!




Chezedik
...and then there were three.



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4616 posts
1991 Nissan 240sx
Overland Park KS
12-17-2002

 « 


Would you sell that FMU? Maybe I can offer enough to get another?



Check me out, I'm a ricer: "I am going to get a stage two turbo kit, and nitrous, just like I saw on N4S Underground!!!"

Stuff for Sale:


!!!BUY MY CAR!!!! 1991 240sx KA24DE-t for sale, very nice!

Stock and Performance Parts For Sale

FS: KA24DE MAFS, Wheels, MORE!

FS: TiAL 38mm, Jacob's i.C.E. Pak Ignition system, Z31 T3/T04b V-trim turbo more

Dieselman
NICO's Lazy Web Dude



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2561 posts
1995 Infiniti J45 TRACK CAR 07 Ram 3500 Cummins Diesel.
Loveland CO
3-17-2005

 « Re: (Chezedik)


ah yes.....the ghetto thread

This is gonna be a fun project......heck, it already is. Like Aaron said, the FMIC is in, need to get the battery mounted in the trunk, weld up them flanges and go to Home Depot for the PVC!

I personally think that the clutch will be the first thing to die.....it feels really bad already. But we'll kill it in style thats for sure!

I should go take a pic of the shop right now. 240 on the lift, the MG with the head off of it, and I'm building a set of twin turbos on a 98 dodge dually all at the same time....crazyness LOL





Bwana
Articles Manager



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5231 posts
'89 240 coupe '91 240 coupe '77 MGB '50 GMC
Fort Collins CO
9-16-2004

 « Re: (Chezedik)


Quote, originally posted by Chezedik »
Would you sell that FMU? Maybe I can offer enough to get another?

The FMU I'm borrowing from a buddy, but I don't think he really has a use for it, so it may be for sale in a couple weeks, I can let you know.

Quote, originally posted by Dieselman »
I personally think that the clutch will be the first thing to die.....it feels really bad already. But we'll kill it in style thats for sure!

I have fears for the clutch too...




redtop91
Meat Gazer



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9-7-2006

 « Re: (Bwana)


Are you planning to run this without fuel management on stock injectors?




Bwana
Articles Manager



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5231 posts
'89 240 coupe '91 240 coupe '77 MGB '50 GMC
Fort Collins CO
9-16-2004

 « Re: (redtop91)


Quote, originally posted by redtop91 »
Are you planning to run this without fuel management on stock injectors?


ADJUSTABLE FMU Reference entire thread above.




Chezedik
...and then there were three.



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4616 posts
1991 Nissan 240sx
Overland Park KS
12-17-2002

 « 


Pirate BURN!



Check me out, I'm a ricer: "I am going to get a stage two turbo kit, and nitrous, just like I saw on N4S Underground!!!"

Stuff for Sale:


!!!BUY MY CAR!!!! 1991 240sx KA24DE-t for sale, very nice!

Stock and Performance Parts For Sale

FS: KA24DE MAFS, Wheels, MORE!

FS: TiAL 38mm, Jacob's i.C.E. Pak Ignition system, Z31 T3/T04b V-trim turbo more

AZhitman
CEO



Online

40335 posts
03 G35C, 93 S13 Vert KA-T, '72 240Z, '63 NL320, '67.5 SPL311, '69 SRL311, '70 SPL311 (x2), '00 Front
Phx, AZ
4-29-2002

 « 


This thread rocks.

If this can be done for the budget you're talking, I'll put it on the homepage.

Aaron, take lots of pics.



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sil80drifter



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1264 posts
1990 240SX Hatch
Middle of CT CT
8-18-2002

 « Re: (AZhitman)


Ahhh F it, I'll post whore too. AZHitman, you have the most flippin posts I've ever seen.

Also, how many ppl run this kind of thing without an intercooler?

sil80



I drive fast, I turn fast, I do everything fast. I even breakfast. I tend to confuse people with my sudden changes of heart. Sometimes I even confuse myself, which tends to cause problems.
Chezedik
...and then there were three.



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4616 posts
1991 Nissan 240sx
Overland Park KS
12-17-2002

 « 


Porsche did it for a while.



Check me out, I'm a ricer: "I am going to get a stage two turbo kit, and nitrous, just like I saw on N4S Underground!!!"

Stuff for Sale:


!!!BUY MY CAR!!!! 1991 240sx KA24DE-t for sale, very nice!

Stock and Performance Parts For Sale

FS: KA24DE MAFS, Wheels, MORE!

FS: TiAL 38mm, Jacob's i.C.E. Pak Ignition system, Z31 T3/T04b V-trim turbo more

hannibal



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8157 posts
1990 Integra
Atlanta GA
9-11-2002

 « Re: (Chezedik)


^^ Z31's didnt have IC's either.

Kick *** Aaron!



Formerly known as IWannaS15

How many parking spaces are a lot???

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