Ok, I had a friend come over and bring his digital camera so not to be misleading as Vinnie put it. As you can tell, both inside and out, she's not the prettiest thing, but definately makes up for it in power. Be patient, I'll get around to cleaning her up. Here's the pics.

 

Didn't I talk to you last year about possibly using the 240sx intake mani, instead of the hardbody mani????

 

Not that I remember, but then again I could be wrong. I remember speaking to you about the Tri-Flow cam design from Colt Cams last year. I just decided that I couldn't pass up the deal on the Nismo R4 cam.

 

Thats right I remember that conversation.
BTW if you switch out to the 240sx SOHC ecu and the MPI injection manifold you can make roughly 15 more HP than using the DPI manifold set up that you have right now.
This means you will need the sohc harness/wires, MAF, manifold, speedo cluster (with modification), 240sx SOHC coil, AIV (if you live in a smog state) and ecu. If you live in a state that is smog complaint this setup will work as it is all OEM components.
You can probably get that whole set up fropm a wrecking yard for under $200, and then all you would need are new mani gaskets.
Now I'm not to sure if you will need the speedo for your D21, as I know that there have been others that have rewired the harness to use the D21 speedo cluster, but it is a pain in the A$$..

 

It's funny that you should mention the intake manifold Vinnie. I don't know if you've been visiting the NICO boards in the past few months, but a member over there has been making custom intake manifolds for the KA24DE and is making one for me to replace the truck manifold. He's in the process of mocking everything up right now and won't have the finished product until July/August. He said that he can pretty much guarantee between 7-9whp. Take that coupled with Gabe's stage 3 NA tune (dyno proven 8whp), I should be able to throw down some decent numbers at track/dyno. Right now, I'm in the process of having a custom lightweight aluminum two-piece driveshaft made. It won't be ready for another 3-4 weeks according to the shop. Vinnie, do you think purchasing the Nismo adjustable cam gear would yield a view more donkeys?

 

I'm assuming that you are talking about DJpants. About 2 months ago he was getting into the business of making the manifolds. Down side is that you still need all the 240sx sohc equipment to run the 4 injectors. DPI (dual point fuel injection) only runs one huge injector that doesn't work well for the kind of power you want.
In all honesty the sohc mani was designed to make high HP, the only thing you would need to do is remove the scv's from the runners for high CFM use.
Still all the sohc equipment is under $200 at a wrecking yard.
I talk to DJ on the boards quite often we exchange a lot of idea's.

With the NISMO cam gear you could yeild a few HP with a 1 or 2 degree retard, and a safe advancement on the timing at the distributor.

 

I took your advice already and removed the SCV from my hardbody manifold and it did make quite a difference. I don't know if I'm supposed to advance the timing, via the distributor, with this eprom from gabe but I'll look into it. Since you think it'll yield a few horsepower, I'll go ahead and purchase that adjustable cam gear from Nismo. I was leaning towards the 2 degrees retard for more top end.

 

Gabe runs his ecu tunes a tad rich a 2 degree advancement won't hurt you a bit. It should lean out your mixture better.

 

hey go over here, it should help you with installing a 240sx intake onto a hardbody. plus look around the website and you will find some more help

http://nissancustoms.com/viewtopic.p...ighlight=240sx

 

I appreciate the heads up Mr. Kill, but I'm already a member on nissancustoms.com. As of matter of fact, I've sold quite a few 240 manifold setups. The reason why I haven't installed that setup is because I wanted to take my chance with DJSpecs's custom sheet manifold for the hardbody. Once I've maxed out my current setup, then I'll switch to a custom 240 manifold setup. First I'm going to try and reach 175-180whp with the hardbody setup.

On another note, the tuned ecu should be back around the first of the week. It's basically Gabe's stage 3 NA tune, that's been adjusted for my mods. I ordered the Nismo adjustable cam gear today and that should arrive sometime next week. Does anyone know where I can grab some good motor mounts. Since the cam install, by WHOLE truck shakes at idle (600-700rpm).

 

VG30e truck mounts for the hardbody are quite possibly the upgrade I read a thread on it years back when I owned my D21 Hardbody. It's from 86,1/2, to 1998 hardbody chassis's look at the fit ment to make sure but they should work and are much more rigid.

VG30E mounts for D21 hardbody 86,1/2-98

NAPSZ/KA24e mounts for D21 hardbody 86,1/2-98

 

Well the ecu tune came in on Monday and I installed it last night. I haven't gotten the chance to do much driving since the install, but from a few test runs I can tell that there's more power in the mid-top end. Thanks to the adjusted air/fuel ratios, my powerband is much smoother. The motor pulls hard all the way to redline (6500rpm). I had the redline set higher than that, but I'm not too comfortable with revving it up there until I get some upgraded valvetrain components. The cam gear still hasn't some in, but should arrive next week. I'll be installing the cam gear along with the motor mounts shortly. Just thought I would keep everyone posted. After the cam gear/motor mount install, I will be putting in the lightweight driveshaft and taking her to the dyno for some numbers. I'm hoping to be in the 150+whp range, maybe more.

 

Alright the cam gear is in and I also took the liberty of going to the local pepboys and purchasing a 300zx TT fuel filter since I heard it's an upgrade as well. The trucks power is still not where I want it, but I have to keep reminding myself that this truck started off as a high 16's vehicle. After reading Vinnie's intake manifold porting thread, I called up Dan Paramore at DPR-Racing and he'd like to undertake porting the hardbody manifold. We might also be sending a spare throttle body over to RC Engineering to have them work their magic since my Maxbore Throttle Body definately came back with something to be desired. You can tell on the inside of the throttle body that he ported too much and actually had to use JB weld to seal areas back up. My mechanic said that it actually looks like it could be leaking and we're now wondering if this is one of the kinks that's holding me up from getting the power I should be getting.

On another note, the tune that I purchased for my ecu actually came from drape123. I got his name from one of these forums and others claimed that his tunes were basically Gabe's Stage 3 NA tune. Well, after further research it appears he's also the one selling tunes for dirt cheap on ebay. The motor does pull stronger with the eprom, but it makes me wonder, now that gabe's back from being M.I.A., if I should have Gabe work up a custom chip in case drape's is another factor holding me back. Any input guys? Dynos sheets should be here in the next month for you all to analyze.

 

One thing to remember about your manifold is that you are DPI not MPI. This means you use a wet manifold design. More than likely when you do the porting you will want it rough, not smooth. Secondly I'm still not understanding where you are going to be making all this power with a DPI throttle body????


Actually DeviousKA has been having problems with rip off con artist producing ecu tunes and claiming to be identical if not better than his. Which to me is complete B.S. One of the reasons why people don't see much of him is from the complaints of the crap sold on ebay and then people have called up deviousKA with complaints that they thought he sold the product. If it isn't a genuine hybrid KA ecu, from hybridka I wouldn't buy it!!!! Just don't claim it's a hybridka ecu if it's not.
Drape123 has no affiliation with HybridKA or Gabe so there shouldn't be anything mentioned that there tunes could be anything similar or alike. You expressed earlier that it is one of Gabes tunes if it's not and you know he didn't tune it please don't use Gabes name with Drape123.

 

Hey guys,

First things first, what MAF sensor are you using with your current configuration? Are you using the oem truck MAF that is mounted to the throttle body itself, or are you using an external 240sx MAF on your intake plumbing?

In order to use the ecu you are wanting to use, you must have a ka24e 240sx/stanza maf. You could simply disconnect the original maf and extend the wires to to the external 240sx unit.

The ka24e in the D21 hardbody IS mpfi. Unlike its predecessor, the Z24i, the engine in this truck has one injector per cylinder, mounted in similar fashion to 240sx. (91-94 D21 = top feed injector, 94.5-97 D21 = side feed injector, both ~260-270cc in size).

What causes the confusion is that the D21 ka24e does have a vertically mounted throttle body that seems to resemble the Z24i unit at first glance.

One similarity between the two is the throttle body mounted MAF sensor, its basically a MAF with a throttle built in. This MAF sensor does not use the same airflow "curve" as the 240sx/stanza unit, and not only that but it has less resolution (0-4v instead of 0-5v).

That said, the 240sx ecu will run the D21 as-is, though not perfectly, because the engine harness is wired identically on obd1 91-95 versions.

So whether you use a 240sx intake manifold or not, you must use an externally mounted 240sx/stanza MAF.

I wouldnt worry too much about the tune, people can copy rather well. If nothing else, you just paid $30 for a generic eprom chip that you can reflash yourself once you have your ecu socketed (or maybe you already have).

I cant really stop those guys making a living selling copied tunes on ebay, my files are available to everyone and I would like to keep it that way. The only thing I can do is continue developing and spreading free knowledge, making any sort of "competition" obsolete.

Check out using a stanza ecu with EC4 code. Todays release has all kinds of bells&whistles (launch limiter, output control, 32x16 fuel/ignition tables) just to name a few not available in original nissan code, or anybody elses for that matter.

Cool project btw, I have a d21 that I built in jr high as my first vehicle, and still have it. I just sort of bought it back from my little brother, he has some pictures of it here after he installed onboard air comp. http://hybridka.com/minitruck.htm

And yes thats just a ol Z24i.