import-autoperformance?

Information on the naturally-aspirated KA24E and KA24DE engines.
240marcuSX
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has anyone bought that kit from the group buys pagefrom import-autoperformance? id like to get some reviews on that. because if its not every bit worth $3700, then ill forget about it right now. Also, can you guys please tell me roughly about how much you spent for your turbo setups, if theyre custom or pieced together or whatever, and what kind of numbers you make? Id appreciate it. Thanks.

I searched by the way


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C-Kwik
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I was looking at it last night. They seem to hype up the 4-1 mani, but they don't have very good pics of just the mani. Secondly, it does not mention how it adds the additional fuel. Looks to be a decent kit, but hard to judge with such limited info.

Gofast1
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Greetings,

I just wanted to take a moment to reply to these posts and go in depth a little more for the members here concerning our kits.

This kit was over 8 months in development before we decided to introduce it to anyone. During those 8 months the entire kit has been worked, reworked and then we did it all over again. The kit has been performing beautifully on our vehicles for the entire time, with no emissions issues, deterioration of materials or adverse effects to the cars.

I am including new pictures of the manifold for you guys to look at. We ripped it off one of our cars tonight just to show you how they are holding up on our vehicles. Take a look at the quality of the welds, the piping, the reinforcing of any load bearing sections and the overall condition of the unit. We believe we have a very viable product here.

To address the concerns of fuel delivery:We found on both vehicles that the Stage I kit which will ship with a factory setting of 7 PSI does not NEED additional fuel delivery, hence the kit being Stage I. We understand that many of you may not agree with this, and that's what this forum is all about...people sharing ideas/processes and experience. We do have a full line of fuel options from Fuel Pressure Regulators to Injectors and Pumps, as well as ECU and MAF upgrades. The Stage I kit is meant to be a starting point for those of us who can't rebuild our entire engines right away and would like the added power and reliability of a safe, well designed turbo kit that can grow with you and your 240. During the testing phase of development we ran our cars with the Stage I kit for over 3 months each on stock MAFs and fuel systems, while monitoring EGTs, fuel mixtures and engine temperatures, all of which remained well within the parameters of safety.

We submit that some cars may experience different results based on geography, and hence we are willing to offer fuel upgrades and additions to the kit at reduced prices as well. We welcome this kind of feedback, because YOU are our customers and we wish above all to make the customer happy and at ease with their purchases.

Pardon the size of these images but I wanted you all to get a good look at the manifold.

Gofast1
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Here are some pitures:

Gofast1
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Welds:

Gofast1
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Support going to flange:If anyone has questions or feedback please let us know!

Thanks for the interest everyone!

Marc

S13Ka24e
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You seem like a reputable company so I will ask a few questions.

First off, as stated above, you have no added fuel systems, or upgraded systems. Although i do not have a Turbo KA I have always heard of everyone running some sort of fuel system. So just to prove/disprove your claim that none is needed, would you post a dyno run of a car with your stage 1 kit that has full a/f readings?

Second, you say you have a whole line of fuel upgrades including ECU, do you tune your own ECU or are you talking about JWT ecus?

Third, How has the Deltagate worked for you?

Fourth, the only real difference from the ka24de and the ka24e is the exhast flange on the manifold, since you weld your own, would you consider a trubo ka24e?

Fifth, what kinda rods and pistons do you offer?

Thank You.

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WDRacing
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I copied most of the info from your website here just to simplify any questions the members may have. I'll list my questions underneath all the info...

We can help you make your 240SX the powerhouse you've always wanted. Why buy our kit? Because of the quality parts, intelligent design, and exceptional price!How about an equal length turbo manifold? The turbo derives its power from exhaust gases spinning an impeller inside the exhaust housing. We all know this. Why would you want exhaust gases from different cylinders hitting theimpeller blade at different times? This is inefficient and diminishes the amount of power that could be generated from turbocharging. For the best performance, ALL exhaust gases should reach the turbo manifold's collector at the same time, providing more force to spin the impeller, spooling up the turbo as fast as possible. Faster spool = faster car. Our kit uses a specially designed turbo manifold with equal length runners to maximize the 'scavenging' effect. See the picture to the right...

Stage I Turbo Kit Includes everything you need to get your 240SX on the road with BOOST! T3/T4 Hybrid turbo-When you place your order, we will custom build your turbo for your driving style. Oil Return Line-Stainless steel braided line, with custom fittings and flange for the oil pan. Front Mount Spearco core intercooler-custom made to fit in the factory bumper area. (modifications required: outlined clearly in instruction manual) All necessary intercooler piping/couplers/clamps. Turbonetics Deltagate II wastegate(7psi). IAP Custom Equal Length Turbo Manifold and Downpipe. (downpipe requires welding of bottom flange which mates to catalytic converter for proper fit) Full intruction manual with color photos included to make your installation as easy and fast as possible! Full Stage I Turbo Kit: $4195

1. The equal length exhaust mani. Very nice design, but you state that the gases reach the turbine at the same time all together as one. How can this be possible if each cylinder fires at a different time and the runners are are all the same length?? Equal length runners are a good design to increase lowend torque as they keep the exhaust gas velocity up.

2. What trims do you offer as options with your stg1 kit?

3. Does your oil return line require welding of the flange to the oil pan??

4. What are the demensions of the FMIC?? What size is the I/C piping??

5. Why does your downpipe require welding of the aft flange? Is the aft flange included in your kit.

6. You list internal parts as being available, what are the prices??

7. What fuel management do you offer??

8. Is $4195 the actual price for a turbo, manifold, FMIC/ piping and downpipe that requires welding??

9. What type of dump pipe are you using for the wastegate?? Is it vented to return or the atmosphere??

I'm not trying to nitpick your bussiness or your kits. I just want to make sure all of the NICO members get exactly what they want. Alot of the newer guys might not know what questions they need to be asking.

The manifold looks very nicely done. WD

TomsMR2
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short answer.. no, $3700 isnt a good price for a kit. make your own for sub $2000.

WD is right. the purpose of an equal length definately isnt so all the pulses hit at the same time. its so they hit individually, evenly spaced.

if you can prove the stock fuel system adequate at 7psi of boost, i will personally eat my entire car, metal and all, live on a webcam.

Gofast1
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WD,

Thank you for listing your questions. We looked over the website again and you were right, a novice may have a hard time understanding the included items so we made some necessary adjustments to the descriptions. This is exactly why we decided to respond here, so we could get feedback from all of you, so once again thank you.

WD and TomsMR2:1. The equal length exhaust mani. Very nice design, but you state that the gases reach the turbine at the same time all together as one. How can this be possible if each cylinder fires at a different time and the runners are are all the same length?? Equal length runners are a good design to increase lowend torque as they keep the exhaust gas velocity up.

You are correct. We were trying to word it so a beginner would better understand the purpose of an equal length unit, your wording is much better TomsMR2 :D The gases hit individually, evenly spaced. We will make some wording adjustments to the site on this as well. Mind if we steal that line Tom? lol

WD:2. What trims do you offer as options with your stg1 kit?

We offer stage 1 through stage 3 compressor wheels with .48-.63 exhaust housings for the stage I kit.

WD:3. Does your oil return line require welding of the flange to the oil pan??

We highly reccomend you weld on the oil return flange, though some try accomplish mounting with bolts and aircraft nuts. The flange comes with a neoprene seal to fit against the oil pan.

WD:4. What are the demensions of the FMIC?? What size is the I/C piping??

We updated the site to read as follows:Front Mount Spearco core intercooler-custom made to fit in the factory bumper area. Core measures 18.5" wide X 8.5" tall X 3.5" thick. Overall dimensions are 32.5" wide X 8.5" tall X 3.5" thick. (modifications required: outlined clearly in instruction manual)

2" Intercooler piping/silicone couplers/hose clamps.Intercooler piping is shipped with flange for Greddy Type-S Blow Off Valve pre-welded on. (If you would like a different flange, please let us know at time of order).

WD:5. Why does your downpipe require welding of the aft flange? Is the aft flange included in your kit.

We hadn't had a chance to update the site, in this, I apologize, but our kit no longer requires welding of the aft flange. The downpipe comes to you fully assembled. The site is updated and reads as follows:

IAP Custom Equal Length Turbo Manifold and Downpipe. (Downpipe is completely assembled with exhaust flange to connect to your stock exhaust system and a threaded bung for factory front O2 sensor).

WD:6. You list internal parts as being available, what are the prices??

We carry Arias, Eagle and JE products, since there are many we prefer to go through pricing on a one for one basis with the owner interested in them, however we are very competitive on price and even more so for members of NICO.

WD:7. What fuel management do you offer??

We use JWT ECUs exclusively on our cars. We like the margin of safety JWT programs into their ECUs and while some may not agree it is the best option, it is a solid performer and very easy for a beginner. We offer fuel upgrades including Denso injectors, Walbro fuel pumps and Vortech and Aeromotive FPRs. Obviously a huge amount of detail is required here based on what type of boost the individual is running, so to go into it here, seems a bit overkill, we would prefer to discuss that also on an idividual basis.However, even though we have had great results on the stock fuel system, the concensus here seems to be you all would like at the very least an FPR. We are going to look into including that in the price and will let you all know tonight.

WD:8. Is $4195 the actual price for a turbo, manifold, FMIC/ piping and downpipe that requires welding??

As stated above the downpipe no longer requires welding of the aft flange. The kit is complete save for a BOV which we do not include simply because people like different brands. The kit includes the intercooler and is the same MSRP of the XS kit. We feel we are in line on the pricing.

WD:9. What type of dump pipe are you using for the wastegate?? Is it vented to return or the atmosphere??

We are returning to atmosphere below the steering linkage, which is working out well.

WD:I'm not trying to nitpick your bussiness or your kits. I just want to make sure all of the NICO members get exactly what they want. Alot of the newer guys might not know what questions they need to be asking.

WD, no offense taken whatsoever! Thank you for the outstanding input, we greatly appreciate any feedback we receive from your club as there is a TON of experience here.

S13Ka24e:First off, as stated above, you have no added fuel systems, or upgraded systems. Although i do not have a Turbo KA I have always heard of everyone running some sort of fuel system. So just to prove/disprove your claim that none is needed, would you post a dyno run of a car with your stage 1 kit that has full a/f readings?

Second, you say you have a whole line of fuel upgrades including ECU, do you tune your own ECU or are you talking about JWT ecus?

Third, How has the Deltagate worked for you?

Fourth, the only real difference from the ka24de and the ka24e is the exhast flange on the manifold, since you weld your own, would you consider a trubo ka24e?

Fifth, what kinda rods and pistons do you offer?

S13, I apologize for not having a dyno sheet with a with a/f readings, time was not condusive to getting that done before offering the kit. We accept full responsibility for this.

We do not tune our own ECUs, but use the JWT units.

The Deltagate is very reliable and has functioned flawlessly for us.

We DO have the same kit available for the KA24E.

Rods and pistons from JE, Arias and Eagle.

Thanks for the interest S13!

I hope this covers most of your concerns gang, but please let me know if we can answer anything else for you.

Thanks to everyone for their input :D

240marcuSX
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thorough...

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WDRacing
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That makes me alot happier. Although I really wanna see Tom eat his entire car on webcam.

One more question for ya, are you guys gonna have JWT ECU's in stock, cause there is already a very long wait if you order from JWT himself.

WD

240marcuSX
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so WD, what do you think of this kit? (since you seem to know alot about it)if it was only like 3 grand i think id buy it, but everyone that i talk to is telling me to just put my own setup together myself. i think i read on another post that you would be coming out with a kit? if you are, do you know when youll be letting it out? and a price? if you are and its a fair price you can sign me up. :thumbup

Gofast1
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WD:

We do not have any stock on JWT ECUs. We are working out an arrangement to remedy this and we will let you know as soon as the details are hammered out. You are right , JWT is backlogged abit :)

Thanks again all!

honda2tyte4uJDMwinna
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ya if there is no fuel upgrades included with the kit....perhaps im just paranoid, but i would never buy it

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WDRacing
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240marcuSX wrote: i think i read on another post that you would be coming out with a kit? if you are, do you know when youll be letting it out? and a price? if you are and its a fair price you can sign me up. :thumbup


My kit will be available next Jan/Feb. It would be ready now, but I'm still in Japan. My kit will be under 3 grand complete with a fully adjustable standalone fuel system. The fuel system it comes with will support an additional 200 HP without touching your stock parts at all, well, perhaps your internals, but not your ignition or fuel. With the urgrades I'll be selling, you could run your KA up to 800hp. I'm pretty sure I'll have the only kit with a standalone fuel system for under $3000. Anyway, there's a big thread on this kit already, I don't want to hijack this one.

As a moderator I can't really give opinions of another bussiness's product unless I know for sure it has been proven to have problems. I'm also biased since I would always build my own kit. But then again I've been building motors and such for a long time, so I'm comfortable with it. Alot of people need a bolt on kit.

I will say that I like the manifold. Although, I'd like to see some heat expansion reliefs cut between the runners. But you could do that yourself upon purchase.

WD

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_dk
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gofast1: that is an off-center (tangential?) turbine housing in the pic on your 240sx page, right? hard to tell from the pic, it could be a bit bigger :)

the manifold does look nice.

Gofast1
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_dk I am not quite sure what you mean by off center turbine? Maybe you could expound just a bit and I could try to answer that for you.

We have decided to upgrade the turbo kit slightly. We are adding an Aeromotive FPR for those of you who will be going north of 7 PSI and hence save you any further expenses. This unit will ship with the kit as well as all necessary stainless stell lines and fitting to connect it to your factory fuel system. Keep in mind this need only be hooked up if you are going above 7 PSI, but we dicusssed overall value and decided to make this change for our customers. Let us know if you have any feedback or questions!

Marc

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_dk
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sorry if i'm being unclear-

here, turbonetics discusses the difference better than i can:

http://www.turboneticsinc.com/faq.html#10

just curious which your manifold/downpipe are intended for;

all: if one or the other is "the standard" and i'm just ignorant of this fact, my apologies- but i have read of someone with a RH manifold running into this problem, so i'm trying to make sure i have all the info.

Gofast1
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_dk:

These are standard turbo versions, not 'tang'. Thanks for the link so I could clarify for you :D

Marc

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aleph1
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Ive heard that the Turbonetic Deltagates suck, and that the TiAL ones are much higher quality...Are you having good results with the Deltas?

I think you should move away from JWT...they are TOTALLY not worth it, for the price of the initial programming and one reprogram you could have gotten a TEC3 or something. Just out of curiousity, why do you even need it for the kit if your just gonna include an FPR and such? I think you should can JWT and just use a FPR and walbro fuel pump for your Stage 1 kit, it would probably make it cheaper. Any higher stages should offer the JWT and larger injectors. JWT is completely not needed for a beginner kit, especially if it doesnt include larger injectors.

Also a 3.5" thick FMIC is IMHO too thick for a street driven car, I'd much prefer 2.75" or even 3", so the radiator can get SOME air. I also think you should have 2.5" piping and flanges.

If your kit had these changes, I would consider it as a viable option. Most kits on the kits have a few parts and things here and there most people dont like. Nsport for example...plastic Boshe BOV? come on, its an aftermarket kit, give something a BIT better. Their turbo choice is also a matter of debate. I think people should just make a QUALITY kit and try not to cut corners, no matter what the cost. So far though, your manifold is the best Ive seen in a kit, I think it will be the "system seller" so to speak.

Gofast1
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Aleph1,

Thank you so much for your input!

Let me go through our thought processes on these for you:

The Deltagates we have been using have had no problems whatsoever, we are very pleased with them. Not to discount anything you have heard as we have heard these rumors as well, but as for own experience...flawless operation.

The JWT ECU does not come with the Stage 1 kit. We offer the JWT ECU as our only option for engine management at this time. We may agree with you, and may move to something different at a later date. Some people can program maps and have access to the skills to handle stand alone engine management, but the average user does not. Taking this into account and the fact that quite honestly we have to support whatever we sell, we like the JWT option for now. You are correct, no management is needed with a base Stage 1 kit, however, our kit is designed to grow with you without having to make major replacement purchases down the road, and at that point engine management does become an issue.

As for the intercooler, we wanted a low pressure drop, that was pinnacle in our decision making as far as choosing the unit for our kit. This intercooler is very efficient, and the hieght is low which allows for plenty of air getting to the radiator. The piping diameter was chosen for one reason only:

We didn't want massive modifications necessary to the vehicles just to mount the intercooler. The bumper is trimmed somewhat, but NOTHING else in the car is changed, relocated or otherwise interfered with. We were unwavering in our wish to accomplish that, and 2" piping allowed us to do do it, where 2.5" piping would have made other modifications necessary.

Thanks so much for your opinion on the manifold, seems like everyone likes it, which makes us very happy. That wasn't easy to design or manufacture, so it's nice to see you all approve of its design :D

We will be getting a new dyno pull in the next week or so on our car running the Stage II kit, and also some new 1/4 mile times, so please be patient and we will get those items scanned in for all of you to see.

One last thing, we ARE offering the manifolds to NICO members for a discounted price of $649 shipped to your door, so if anyone is interested, just drop us an email at [email protected]

Thanks again Aleph1!

Marc

TurboKA37
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i am very impressed with import-autoperformance's quick responses and intrest in what we have to say. from what i have experianced here with other companies seems to be them saying hello thats pretty much the extent of their stay at NICO. GoFast1: thank you for being so kind to answer the NICO member's questions and concerns. You have prooven to be a company that is interested in what their customers have to say.

Gofast1
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TurboKA37,

Thank you for the kind words, seriously. As a vendor just starting out it is very easy to make cardinal errors early and thereby doom yourself to failure. All we try to do is treat our customers like we want to be treated when we buy items for our own vehicles. You are right, it is very hard to find a company who is willing to go the extra mile for you. We will always do this for our customers. We answer our phone and email anytime of day, any day of the week, because thats what we feel customer service should be. It is so frustrating to need something after 5 pm on Friday, and then have to wait until 12 pm Monday to talk to someone. Your comments are appreciated greatly :D

Thank you!

Marc

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aleph1
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Agreed. Gofast1 you are the man, I understand your way of thought in response to my concerns. I forgot that your kits (at least the stage 1) are made to be user friendly, a programmable standalone isnt so great for that and the 2.5" would require more modification...thank you

OP240sx
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So, has anyone installed the kit yet or even the manifold? If so, how is it working out?

Also, when the wastegate opens to atmosphere, how loud is that? Is that legal to dump the exhaust without going through the cats?

Can the dump pipe be routed back into the exhaust?

Thanks.

Nathan
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I've installed the mani, it went without a hitch and is a very nice piece, I'm still sorting out some issues with the car but hopefully soon we'll have some more dyno results of a car with it. As for the wastegate...its probably illegal but I just dont care...and neither should you, its florida after all ;) About the sound...I dunno yet, my car wont rev over 3k and I have to figure that one out first.

Nathan
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Considering Marc hasn't posted in this thread in about 9 months, it might be better to call him with questions ;) I know he doesn't check up on the forum all that often and this one just kinda came back from the dead!

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f1seb
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DOH! I just noticed. LOL. Was wondering why everybody was askign about the Delta waste gate when on their website it says they use the Tial.

Projex240
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Also--if you look, the price on the mani has dropped to a more affordable 550. I think thats great for the design.


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