KA-T T28 + A/C

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Neejay
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If I go bottom mount T28 setup, will I have to lose my A/C? I think the JGS turbo kit allows you to keep the A/C (if I go T3)


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The SSAC type mani and a T28 shouldn't make you lose ur AC. Just a matter of routing the piping the right way.

WD

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Neejay
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WDRacing wrote:The SSAC type mani and a T28 shouldn't make you lose ur AC. Just a matter of routing the piping the right way.

WD
So would you say it wouldn't take any special tweaking or anything extensive?

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Nope, nothing I'd consider special at all man.

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Neejay
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Your word is good enough for me.

thanks man.

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Neejay wrote:If I go bottom mount T28 setup, will I have to lose my A/C? I think the JGS turbo kit allows you to keep the A/C (if I go T3)
This Peakboost manifold would go well with that setup It is A/C & power steering compatible.

Our shop car is the country's fastest KA-T that runs a similar manifold

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So you're comparing a $900 manifold to one that's under $100?

Or are you just pimping your company? With one post, I'd venture to say your pimping.

WD

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I wasn't going to comment on it...heh...

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archull wrote:
This Peakboost manifold would go well with that setup It is A/C & power steering compatible.

Our shop car is the country's fastest KA-T that runs a similar manifold
I edited your link. We don't allow non paying companies to link their products without becoming a sponsor. If you'd like to sponsor Nico, please go to the "Market Place" link in the top header.

ThanksWD

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WDRacing wrote:
I edited your link. We don't allow non paying companies to link their products without becoming a sponsor. If you'd like to sponsor Nico, please go to the "Market Place" link in the top header.

ThanksWD
Sorry, I thought that this was one of the forums that Carlos (the owner of SCTuned) was sponsoring. I just started working with them and I used to be a member of this forum back when I was rolling my s13 but I have since drifted away from this site as I had started working on Hondas. I didn't remember my old user info so I started a new on. But now I am back to the dark side now and I will be on this site more. I will not push anything. It was my mistake. I was given a list of forums that he sponsored and I could have swore this was one of them.

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WDRacing wrote:So you're comparing a $900 manifold to one that's under $100?

Or are you just pimping your company? With one post, I'd venture to say your pimping.

WD
What I meant is don't half a** it. If you are going to do it, do it right. I hate to see cars that are half assed. It always ends up and biting you in the rear down the road.

(cheap, reliable, fast) pick 2

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archull wrote:
Sorry, I thought that this was one of the forums that Carlos (the owner of SCTuned) was sponsoring. I just started working with them and I used to be a member of this forum back when I was rolling my s13 but I have since drifted away from this site as I had started working on Hondas. I didn't remember my old user info so I started a new on. But now I am back to the dark side now and I will be on this site more. I will not push anything. It was my mistake. I was given a list of forums that he sponsored and I could have swore this was one of them.
No harm no foul man, good to have you back.
archull wrote:
What I meant is don't half a** it. If you are going to do it, do it right. I hate to see cars that are half assed. It always ends up and biting you in the rear down the road.

(cheap, reliable, fast) pick 2
I can understand your point of view as far as half assing something. BUT, the T2 bottom mount manifo,d has been used with great success over the last couple of years. That hardly makes it half assed at all. In fact it makes it quite the smart buy, because it leaves money foir the true things that shouldn't be half assed, such as fuel and igntion management.

$900 for an exhaust manifold is over priced...period dot. That's not just a matter of opinion, it's simple fact. But the market is what drives prices, so to get a manifold of similar quality you're going to pay similar prices. But that doesn't mean they aren't over priced as well.

Note, I didn't say it wasn't a quality piece. But you can't compare something that costs under $100 to something bordering on $1000 when you add taxes.

Also, correct me if I'm wrong, but the Peakboost manifold is a T3 flange type right? The SSAC type in question is T2 flanged.

WD

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WDRacing wrote:Also, correct me if I'm wrong, but the Peakboost manifold is a T3 flange type right? The SSAC type in question is T2 flanged.

WD
Yeah, the manifold is a T3 flanged manifold and to be honest, I wouldn't suggest using anything smaller.

With the proper pairing of turbos you can still get ridiculously fast spool time but your top end will not die down as much with a t3 flanged manifold.

You have to start looking at the restriction aspect of the exhaust. I guess I typically have different power and performance goals than many of the members here. I am not one who will be happy with 250whp. If it does not have at least 350 whp whats the point of boosting it. To me boost is something that you are going to do when you want alot more HP than running an NA motor will.

Lets be honest, nothing about boosting a car is cheap. I spent over $9k on my turbo build for my RSX but I will be making double the HP I did on that car NA with me running low boost. The power goals for this car is to make 400-450whp on 12-14psi on pump on the stock motor. Granted this is a better flowing a very different motor design than the KA-T but they are not so different.

If anyone is interested I can show you guys this latest setup on my car.

My old setup I was not happy with. It was a t3 flanged log styled revhard manifold with a dinky little SC34, 2.5" DP, 2.5" exhaust, etc. My new setup is a Peakboost sidemount equal length t3 flanged stainless manifold, 3" 2 piece vband DP, tial 44mm wg, tial 50mm bov, vertical flow intercooler, etc. I have to say after seeing my new parts I was an instant peakboost fan.

This new setup costed me not much more than my last but it was such a higher quality. I just regretted not doing it the first time around.

You tell me what you think. The first pic is my old setup and the second pic is my new setup.

The old Revhard kit costed me $4200 but it came with injectors, gauges. The new Peakboost setup costed me $4500 due to the extra coatings that I bought but if it were not for that I would have gotten it for $3600 but it did not come with injectors or gauges.

Revhard (not all the parts in this pic came with that kit though)



Peakboost


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You're preaching to the choir here man. I've stated 100's of times that the T2 flanged series is to small. The T3/TO4 in .48 AR is good to 400whp and suffers from zero lag. The .63 AR is good to almost 500, depends on the external WG size.

You can weld a T3 flange onto the SSAC mani though. That would be the cheapest route IMO, but not the best. I'd still use a simple JGS mani/turbo/dp combo. Great product at a great price...

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Neejay
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I was just making sure, in case. I've been back and forth between the T28 and T3, mainly because I really do only want like 250-300whp.

EDIT: Bah...
Modified by Neejay at 11:32 PM 2/28/2008

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WDRacing wrote:You're preaching to the choir here man. I've stated 100's of times that the T2 flanged series is to small. The T3/TO4 in .48 AR is good to 400whp and suffers from zero lag. The .63 AR is good to almost 500, depends on the external WG size.

You can weld a T3 flange onto the SSAC mani though. That would be the cheapest route IMO, but not the best. I'd still use a simple JGS mani/turbo/dp combo. Great product at a great price...
That is one thing that I never understood about the Nissan guys. (with the exception of the few) They like to run smaller turbos, manifolds that are flanged so small that they become a huge restriction in their systems.

I guess that is why I started messing with Hondas for awhile. These guys are nuts. I look at these guys with 2.0 liter engines running t4 divided manifolds with 4" Down pipes & exhaust running GT42's running 800+ HP. Some of these guys are just plain hard core and it was a nice break to what I was used to dealing with 240's.

I really missed RWD though. I am soooooo tempted to do a RB25 swap though. This will be a project that I am going to work on for awhile. I am going to need to get another chassis because I found more body rust than I am comfortable with on this one. I really want to get an S13 coupe in good condition.

you meantioned running .48ar and .63ar housings, lol. I am running a .82ar exhaust housing on my gt3076 and I hit full boost at 4200 rpm's and I rev up to 9k, lol.
Modified by archull at 11:41 PM 2/28/2008

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archull wrote:
That is one thing that I never understood about the Nissan guys. (with the exception of the few) They like to run smaller turbos, manifolds that are flanged so small that they become a huge restriction in their systems.

I guess that is why I started messing with Hondas for awhile. These guys are nuts. I look at these guys with 2.0 liter engines running t4 divided manifolds with 4" Down pipes & exhaust running GT42's running 800+ HP. Some of these guys are just plain hard core and it was a nice break to what I was used to dealing with 240's.

I really missed RWD though. I am soooooo tempted to do a RB25 swap though. This will be a project that I am going to work on for awhile. I am going to need to get another chassis because I found more body rust than I am comfortable with on this one. I really want to get an S13 coupe in good condition.

you meantioned running .48ar and .63ar housings, lol. I am running a .82ar exhaust housing on my gt3076 and I hit full boost at 4200 rpm's and I rev up to 9k, lol.

Modified by archull at 11:41 PM 2/28/2008
Hey, i'll tell you why we run small turbo's. It's because we aint rich like you, if you would like to donate some money to us Nissan guys, then the average size turbo on nico would be bigger. And everyone will be happy boosting

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archull wrote:
That is one thing that I never understood about the Nissan guys. (with the exception of the few) They like to run smaller turbos, manifolds that are flanged so small that they become a huge restriction in their systems.

I guess that is why I started messing with Hondas for awhile. These guys are nuts. I look at these guys with 2.0 liter engines running t4 divided manifolds with 4" Down pipes & exhaust running GT42's running 800+ HP. Some of these guys are just plain hard core and it was a nice break to what I was used to dealing with 240's.

I really missed RWD though. I am soooooo tempted to do a RB25 swap though. This will be a project that I am going to work on for awhile. I am going to need to get another chassis because I found more body rust than I am comfortable with on this one. I really want to get an S13 coupe in good condition.

you meantioned running .48ar and .63ar housings, lol. I am running a .82ar exhaust housing on my gt3076 and I hit full boost at 4200 rpm's and I rev up to 9k, lol.

Modified by archull at 11:41 PM 2/28/2008
Well, the key to having an enjoyable car is to have one that's not laggy, yet the compressor flows enough volume to support your required goals. There's no need for lag if you don't have to have it.

800whp is a total waste in a civic, I'd beat you every time in the 1320 with a simple 450whp combo in my 240. Traction limited sucks...

Big is NOT always better. Anything over 450whp is close to undriveable on the street.

You should drop by the Hybrids forum if your considering swaps man. We have quite a few LS guys as well as other random swap, such as a RB25 S10.

WD

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WDRacing wrote:
Well, the key to having an enjoyable car is to have one that's not laggy, yet the compressor flows enough volume to support your required goals. There's no need for lag if you don't have to have it.

800whp is a total waste in a civic, I'd beat you every time in the 1320 with a simple 450whp combo in my 240. Traction limited sucks...

Big is NOT always better. Anything over 450whp is close to undriveable on the street.

You should drop by the Hybrids forum if your considering swaps man. We have quite a few LS guys as well as other random swap, such as a RB25 S10.

WD
This is exactly my point. I want to experiment with boost for the first time, so I've decided on a T28 setup because I only want like 300 MAX whp. I'm not trying to break any records or build a monster. I just want responsive, decent power without (personally) doing a overkill.

If I wanted to take it further, I'd probably have gotten a GT2871.

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When I was in Japan I had a stock T3 on my first Skyline, I cranked the boost as high as it would go of course but it was a friggin blast to drive. Then I swapped for a T4 setup from HKS, divided flange the whole shebang. Ruined the car...

Became worthless for anything besides drag racing. No more carving mountain roads, no more stop light to stop light fun.

Everyone must realize their own goals and take input from others and weigh it against those goals. If you can reach full boost by 3000rpm and still make an efficient 400whp I fail to see the need to upgrade. Unless your aspirations are for really big numbers, in which case you're going to be doing a lot of work to the motor anyway.

Never let people talk you out of what you want in life.

WD

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WDRacing wrote:When I was in Japan I had a stock T3 on my first Skyline, I cranked the boost as high as it would go of course but it was a friggin blast to drive. Then I swapped for a T4 setup from HKS, divided flange the whole shebang. Ruined the car...

Became worthless for anything besides drag racing. No more carving mountain roads, no more stop light to stop light fun.

Everyone must realize their own goals and take input from others and weigh it against those goals. If you can reach full boost by 3000rpm and still make an efficient 400whp I fail to see the need to upgrade. Unless your aspirations are for really big numbers, in which case you're going to be doing a lot of work to the motor anyway.

Never let people talk you out of what you want in life.

WD
I completely understand your point. To me though, I think of a t3 manifold and a gt30 makes a perfect street car. Not laggy but still has enough top end to make you smile. When you start going beyond that (unless we are talking about a much bigger engine) things are just too laggy for a fun daily driver. Now if you are doing an all out drag car, then go big or go home but for the streets I think the t3 & a gt30 is where its at.

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Agreed...

The GT30 and the T3/TO4E are basicly brothers anyway. I have a GT40 and am in the process of making a GT2876r out of spare parts.

What's your opinion on the GT2876r when matched with (2) 38mm wastegates? Together they should flow roughly the same amount of exhaust as a T3 .63 AR and one wastegate. The power goals are 300-350 for a daily and it will be an automatic.

The header will be a custom equal length long runner design. I could run one or two wastegates depending on the flow requirements, (2) 38's or (1) . Basicaly I'll design the manifold around the wastegates being able to flow lots of exhaust energy. That way I retain instant spool, since it's an auto, and the ability to run 20lbs of boost if I so choose.

Opinions?

WD

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WDRacing wrote:I can understand your point of view as far as half assing something. BUT, the T2 bottom mount manifo,d has been used with great success over the last couple of years. That hardly makes it half assed at all. In fact it makes it quite the smart buy, because it leaves money foir the true things that shouldn't be half assed, such as fuel and igntion management.WD
I'm in college and couldn't afford much so I half-assed my mani and turbo setup by going ebay all the way but this left me more money to get 555cc nismo injectors, a jwt ecu and a z32 mafs which has been working flawlessly. Coming up on a year now, my ka-t has been running strong and the turbo and manifold has held up fine. I always say this about going ebay: there's no guarantees but possibilities.

I have a t3/t4 .50A/R intake .63 A/R exhaust and I get 10 psi within the range of 3,000 rpms and 3500 rpms depending on the gear (1st is too quick but 5th gives time for turbo to spool)For daily driving though, it is perfect for me and has that "kick in the pants" spool at 3,000 rpms

IMO, the t3 is the perfect turbo to pair up with the 2.4L: it spools quick and can make 350 hp at least in most applications and they work great with the ka's torquey power curve.

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Well, I hate to sink your boat fella'.. But I run a T2 turbo, and my car runs in the mid 12's in the quarter with street tires. I also hit 10psi at 2200 rpm's. And that was just hitting the track on the last day before they closed.

I have no idea how much horsepower I make, but its quite a bit considering what I have. Awesome street car, and driving it is so fun. May not make a million horsepower on paper, but it does what I want it to.

I run a GT2860RS (Disco) and the SSAC Bottom Mount T2 Manifold. 2 years+ and no cracks/problems.

My $.02

...and I agree with WD
WDRacing wrote:Everyone must realize their own goals and take input from others and weigh it against those goals.

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o that's cool dude, I love quick spooling turbos. It's just that the t2's seem to max out at what 300rwhp? and start getting overworked and hot. What is your trap speed?

again just my .02, full boost at 3000 rpms is fine for me and what I wanna do. I guess turbos are like shoes, so many different types, sizes and applications but we mostly buy what we like.

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There is a big difference between a GT series T2 and a T25 or T28 off of EBay. One being the ball bearing cartidge, the other being the compressor options. The GT2876r compressor flows enough to support 450whp. But the T2 exhaust housing is a restriction, so hitting 450 would be difficult. But with a 50mm wastegate, you retain enough exhaust flow to negate the T3 requirement for higher HP.

Then again, the GT series is $1000+

WD

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WDRacing wrote:There is a big difference between a GT series T2 and a T25 or T28 off of EBay. One being the ball bearing cartidge, the other being the compressor options. The GT2876r compressor flows enough to support 450whp. But the T2 exhaust housing is a restriction, so hitting 450 would be difficult. But with a 50mm wastegate, you retain enough exhaust flow to negate the T3 requirement for higher HP.

Then again, the GT series is $1000+

WD
Does this include the BB S15 T28? What's your opinion on it? This is what I was planning on getting.

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The GT series I refer to has a T4 compressor. I don't think the T28 from the S15 has a T4 compressor. I don't even know the specs on the S15 turbo. For a daily low boost setup I know its a good turbo if that helps any. I just don't know how efficient it is at higher boost levels.

GT2871



GT28R



See the difference...one has the TO4 compressor, the other has the standard T2 compressor. The S15 compressor is a standard T2 type IIRC.

WD

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spooled240 wrote:What is your trap speed?
12.6 @ 113

Running out 4th gear.

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wow, that's pretty fast man..I gotta take my car out again...stock clutch was slipping last time I went so I was in 4th gear at redline at the end of the track but only doing about 98 mph..time was 14.7 and couldn't get traction. Thing with the bigger turbos is that they seem to have lower 60' times and higher trap speeds.


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