Well who wants too see this happen?

I do because thats what i want and my 8000rpm would love that 3.5

Well good luck I should have it all ready by the weekend.

nice, this is what i was hoping to see eventually happen...Good work man, keep us posted

Yes! I have been waithing for this since the day since the whole talk about the 3.5 going into our 4th gens. I really hope that you are going to be a good orger and do a write-up to share the wealth.

-Chris

Maybe you should consider the full 3.5 swap... I mean, scavenging parts here and there aint that bad...

Check it out, I found a 2002 maxima ECU for 55$ http://www.car-part.com/cgi-bin/search.cgi

I also found a MAF for under 200$, and most of the wiring for like 2-250$. After checking how the wiring looks in the 1995 manual, it aint that bad either. Maybe you should consider doing the whole thing while you're at it. They said the VTC increases HP/TQ by 11% at 2000 rpm and 14% at 3200. When you've got a motor making 250-ish, that's pretty significant.

Right now I'm thorn between the two because of labor costs. You, on the other hand... you have a shop, so that's not really an issue.

Wouldn't the 2002 ECU have problems interfacing with the 4th gen BCM and other important things? Everything from climate control to immobilizer to cruise control and ****.

I would say f-uuck the AC and f-uuuuuck the cruise control. But that's just me. Removing the AC belt will help alot. It certainly helped SR20DEN get 107 mph trap speeds N/A... As long as fuel injection/MAF/O2's/Sensors on the engine work, I'm happy.

Oh, and by the way, what's BCM?

Oh, and quick question: Would the 2002 Gauge cluster work with my old 1995 5-speed tranny? I know it fits (vasily did it, but with 6-speed).

BCM = body control module i believe.

Stock VQ35 cams? Which intake manifold? VQ30 tranny?

In my opinion he has way enough torque already having been for rides in his car and he can not full throttle in first at all now wait to the 3.5 heads are on.He has to feather first.

If i do what he's doing i want less low end then he has now and more peak and his peak is nuts now. In a front wheel drive car sometimes to much power in certain areas is counterproductive. Keep in mind street car.

But keep in mind also his 00 vi is wired fulley open has a aftermarket flywheel and has jwt cams and when he gets on the throttle its smoking tire time.

I just said f-it and am going turbo

That's the spirit! hahaha

He's running an 02+ 6spd tranny, right?

nope a 5spd
my 99 turbo max has a 6spd

tilley how about some sort of 3.5 kit, longblock/ harness/ controlers etc etc etc?

There is no such thing as too much power (well... almost). Supercharged guys have alot more down low and they ain't crying about torque steer and whatnot. The lightened flywheel has ALOT to do with the jerky/crazy low end if you ask me, because alot of guys are putting down way more torque and they can handle it. Light flywheels have been known to make your low end very hard to control (+ a bog effect at the dragstrip). Whether you have a 3.0 or 3.5 a light flywheel will produce the same kind of effect.

Im sorry i disagree ,i dont want a dyno queenn i want a 1/4 beast .
Take all the supercharged HP numbers and times put them on a chart (they are a joke) sorry its true. The boosted maxima 1/4 times except for a small handfull are a joke. The reason people worry about making tons of power that cant and wont be used.

flame all you want but this is not my opineon this is fact ive seen it at my own track and on this site. Any person with a 4th gen who puts the normal bolt ons on has the potental to run low 14's what do most supercharged maximas run?

The sad truth is are chassis being fwd doesn't deal with huge hp to well. And the highest hp doesnt get the fastest time ,unless its totally drag setup.

The dragstrip problems has much to do with the driver too.

yeah I think the driver is the main issue.

Well today is dyno day wish me luck!

sweet. post numbers ASAP when you get back.

226whp with VI wide open

wow thats very good. Cant wait to see a 3.5 head dyno. How was the torqe?

205tq peak but from 40-115 it never dropped below 185tq

tilley how are you gona get the cam timing to work with the 4thgen ecu?

Using JWT 3.0 cams for now, with 3.0 timing chain setup.

What are you talking about? Check the timeslip forum, 13s are really easy with boost, 12s are common, too. It's just that they need to learn how to use it. Practice. Whether you're N/A or FI, you gotta learn to control the power, takes time. The boosted HP/TQ numbers are no less important because they're FI.

Neal was able to get 13.4s with "only" 102 mph, N/A; look at boosted mph; 105-110 is not rare. They need to practice handling it. Neal's dyno wasn't that high. He's a good driver, that's why he was getting such times.

I think we just have more dedicated track guys who happen to run NA cars. I don't want to get ahead of myself, but wait till Neal and myself get to the track this spring. The few boosted guys who do know how to drive and go to the track often are turning in real good times. NA guys just seem to get more attention

i was wondering the same thing with the variable valve timin on the 3.0 ECU wouldnt u rather spend the time to wire it to the BCM and still have the Variable Timing or do the JWT cams make up for it quite well

VTC=ghey IMO If i keep a 3.0 ecu setup my options are endless compared to a 2k2 plus for me its easier this way.

u will have PM in like 2 min

http://www.nissanperformancemag.com/march04/ask_sarah/

What are the differences between the VQ30DE and VQ35DE? Thanks, Will.

Okay here I cut some of it, but here's the interesting section:

"The Maxima’s variable intake system and new valve timing control system, NCVCS (Nissan Continuous Valve Timing Control System), improves volumetric efficiency through optimal timing control proportionate to engine speed and intake manifold length, increasing torque 9% at 2000 rpm and an additional 3% at 3200 rpm."

So it may not add peak hp, but it sure boosts your low end. Do you think timing advance will compensate for this?

Also:

"An internal valve system which adjusts intake length relative to engine speed, NVIS (Nissan Variable Intake System), boosts horsepower and torque (roughly 11% at low engine speeds)."

Do we need the 3.5 ECU for this?

If we don't need the 3.5 ECU for the NVIS, and if timing advance compensates for the lack of VTC, then I'm with you all the way, but I'm not so sure you'll be able to lay down the 240hp/245tq figures that bolt on 2002-2003 maximas are able to (of course 300 pounds of torque at the crank would be ridiculous (in a good way)).

Despite all of this you really are the one keeping this section alive. If only Vasily would dyno/try his in the quarter we'd know if "his way" was worth it.

Your 226whp figure is indeed impressive, so I look forward to hearing from this. I bought my engine already (getting it sometime next week) and I get the labor cheap so if you can do it without the extra 800$ the rest of the stuff would cost (ecu, maf, wiring, yadayadayda; I checked, complete list of everything you'd need, cheapest I could find), not to mention extra time, then it saves us all alot of headaches.

How complicated do you think it will be?

All of those features that a person would loose going with 4th gen ecu with 3.5 engine. Does not seem to affect hp. If all that VTC does is this "increasing torque 9% at 2000 rpm and an additional 3% at 3200 rpm."This rev range is very useless.

Another thing people are not relizing is tilley has MORE than 226whp . Thats 226 at fuel cut with curve still going up. From the looks of it tilley has 240's NOW.

You might be right. But then again, 1/4 mile times always spoke to me alot more than dyno numbers. Let's wait and see.

You need to swap ABS controll modules to the 5.5 gen setup, 01-up uses ABS wheel speed sensors to tell the ECU how fast your going. The instrument cluster will NOT work with a older ECU setup- pre '01 model year. What you guys dont seem to understand- VTC advances CAM timing not ignition timing, and you will not be able to make up for lost VTC system by just advancing the **** out of the ignition timing to make up for lost TQ. 225WHP is all nice, but you can do that with a VQ30DE-K motor and have more TQ still. I know you are using the 4th gen intake manifold which is restrictive, but why ? Why use the smaller 3.0L heads ? JWT cams are not worth ****, if you want power you need to look at cams from HKS or Tomei which offer some substantial HP gains- especially the 270 deg cams. Stock DE-K cams are 220 durration btw, JWTs are only 240 something worth of durration. There is more power to be made with bigger cams... but I aint letting out my NA 3.0L secrets.

Actually, Tilley is going for 3.5 upper end (i.e full 3.5 motor) without VTC soon, so we'll see what it gives. 226whp using the 3.0 upper end so I'm really curious to see what a 3.5 upper will yeld. The highest figures I've seen for a 3.5-powered Maxima/Altima are 242whp and 245wtq or so. I think his hp should be close to that, it's the torque I'm worried about. Oh, and I'd keep stock 3.5 cams over the aftermarket stuff...

I think the JWT cams are hurting his low end alot right now. Other than that, well, 3.5s are torque monsters and I have yet to see one will less torque than hp.

Well my 00VI is open at all times and i still have no traction in first....if you look at my dyno ihad about 195tq@40mph in 4th my old 3.0 was putting down around 160tq@that speed

I need to find a dyno chart where with JWT Cams 3.5L with all bolt ons makes 249WHP and only 212lbs of TQ, JWT cams really don't make any "usuable" power on a 3.5L, the power gained up top is offset by a LARGE loss in low end.

Here is one dyno chart of a 6spd with JWT cams, and other mods. As far as traction issues with 1st gear, seeing you live in the same climate as I do I don't doubt you have traction issues. My Max will smoke 2nd from a 35MPH roll on by just letting off the gas and nailing it. 1st gear is pretty much useless. I push a little more power than most 3.5Ls, and I have a 3.0 NA.