Hello ladies and gents - just wanted to update the search function a bit for those of us with RevUp motors.

I baseline my car at Church Automotive back in March of 07 and havent really done much with the car since then - mostly lots of miles.

This year has been a "mod" year for the Z and before I really got going with serious mods I wanted to squeeze out as much power from the factory parts as possible - granted a pop charger isnt stock but most would agree the 06 box is pretty good anyway.

At the original dyno day that I attended in 07 there was a gentleman from Nissan Sport Magazing selling throttle body spacers for dirt cheap and said if it didnt make power I didnt have to buy it Needless to say I had it installed on the dyno and it made power (stock runs WAY rich, car hit 11.9 AFR up top) so even without a tune the car did release a few ponies with a simple mod. Namely a 3" aluminum spacer between the throttle body and the upper plenum mouth.

Stock (pop charger) baseline

264.3@6358 and 241.8@5019

With those mods I had the numbers in my sig

280.0 hp @6329 rpm / 247.8 tq@4977 rpm

Since that time I have only changed the clutch/flywheel combo after about 87K miles or so.

I went with the 14lb flywheel even though I heard and agree that the 20lb steel wheel from another maker would be better for launching....I do mostly highway driving anyway so I figured it would be a big deal. That mod went smoothly and was performed by Precision Z auto in the 818 area. Top notch service and squeezed me in with very little notice. I will be going back to them for maintenace things in the future.

After this mod and before my tune I was able to get a baseline with that change.

284.9hp@6577 and 250.9tq@5040

This can be attributed to the flywheel upgrade perhaps - it was a little higher than after my throttle body spacer mod which most would say is useless unless I showed them the dyno pulls before and after (stock baseline is in green on graphs)

After about an hour or so of tuning Shawn arrived at a nice even tune with no knock up top (for some reason my car liked to knock a little above 6K under WOT) so some timing was taken out to smooth things over and she runs great. These were about 13.4hp gain and 14.7tq gain PEAK.....my strongest gains were down low where Shawn played with the cam phasing a little and I gained like 25tq around 2k or so

298.3hp@6916 and 265.4tq@4998

So from basline to final numbers after the tune I gained about 34hp and 23.7tq from the addition of the pop charger/3" TB spacer/Clutch+14lb flywheel/OSIRIS tune

I feel the RevUP motor itself has alot left in it close to stock as its super rich from the factory (for a host of reasons Im sure) but I am glad I finally got it tuned and got to see what it would do with a proper performance oriented tune on it.

Its interesting to note that my peak numbers were made higher this time and the power was carried longer. While it didnt climb it sure added a little more meat to the powerband and of course a higher average power level in the shifting window.

Overall I am very pleased with the OSIRIS features and seamless mod. Its now a BETTER car than factory which is tough to say when modding as most mods are a compromise vs stock components. I felt I gave nothing up with OSIRIS but obviously gained quite a bit everywhere with it.

For what Shawn charges this is by far the best bang for the buck mod I think is available and transforms the car to what it should feel like stock.


I wish I could have done this on a completely stock RevUp but my mods are minimal enough to be damn near stock when comparing powerwise. $100 popcharger and a $90 spacer shouldnt be too hard to pickup with this anyway

Thanks for reading guys - I am thinking about ART pipes next....tough call in SoCal though

Stay tuned

 

These are pics of the dynograph


FYI

THIS IS A DYNAPACK "HUB" DYNO - NOT A DYNOJET

 

Nice man, sounds like a good experience

 

Nice numbers but seems like a generous dyno.

 

Really? I put the not a dynojet so people would refrain from posts like this.

Look at the deltas - they are just numbers showing a gain - hell calculate them as a percentage if you must.

Nobody who knows ANYTHING about dynos would even question the numbers for what they are...this a a HUB dyno and this rotational losses from the heavy wheels and tires along with rolling/straped down resistance is not present in the numbers.

Its not high - its EXACTLY what it is...hub power production...nothing more, nothing less

Not trying to start another dyno war on this board but this horse is so dead I dont understand why people even bring it up once they know its a Dynapak and I go to such lengths to make sure its clear.

Thank you for the compliment - maybe this is info you didnt know but can hopefully use to your knowledge arsenal for future reference.

+1 for Shawn @ Church Automotive
+1 for UpRev and a fine product

 

Wow sensitive much?

I have every bolt on AND UPREV tune and have much less from a HUB dyno at XACT DYNO in Tempe.

I am also not trying to knock anyone but those are very high numbers for the mods you have.

No attempt to start any ish, just the facts.

Look at my sig, your numbers are 21.7 under what I will be ok with from my stroker.

 

I made 264 with a pop charger originally - so lets say its 5% higher than a dynojet - does 250whp sound overly high for a RevUp?

Im not sensitive I just know Shawns dyno very well and through the YEARS Ive been modifying my cars with dynojets/dynapaks I prefer the dynapaks for repeatability and load tuning vs the drum dynojet WOT tune/street tune bandaid

For raw numbers sure the dynojet will do - for tuning the dynapak/load based dynos are better and why I use Shawn.

People always end up comparing them to a dynojet or a dynapak "calibrated" to a dynojet setting - Shawns dyno is tuned properly for hub power and the numbers reflect it well.

There are tons and tons of VQ dynos from his machine and Motordyne uses those calibrations on their dynapak as well - its alot of info to cross reference and I will go to a dynojet soon to get the "number" which will of course be too high for a dynojet compared to xyz dyno jet yada yada....no one will ever be happy.

Perhaps a reference of another RevUp, DE and HR on my graph? Then folks could see how my car compares to say a stock HR or 370 graph?

 

As I said. Great numbers. They seem high considering your mods but who knows maybe you have a beast.

http://www.xactdyno.com/

 

More so Shawn and his tuning I think - the stock AFRs are pig rich

How much did they play with the exhaust cam phasing at Xact? Shawn has done TONS of VQs and had a RevUp of his own he played with alot to get the cam settings just right.

The peak numbers are whatever they are - Im happier about the gains from stock to now - given I felt the car ran so rich on stock maps that I knew there was plenty on the table if I could tune the thing.

I talked to Shawn about the MREV2 as I have been eyeing it for years but I think my next mod will be ART pipes - on this dyno it was good for 20+hp on Shawns RevUp motor....I am documenting each mod as much as I can so other RevUp owners can see what does what before spending a ton of cash on parts that arent needed at certain power levels.

The stock cams are out of breath obviously but the lower regions can be bumped up for sure with the right optimization....so little by little I will optimize my daily. This thing has 95K on the clock and will be going for sometime to come....right now I love the newfound power and smoothness with the tune

 

He spent over three hours on the tune most on the cams. My numbers did not go up much between untuned and tuned but the power comes on earlier and is usable much longer. The seat of the pants difference was huge.

I have a full build in process including 11.0.1 compression, JWT S7 cams, bigger valves, porting polishing and bore/stroker crank I hope for over 320/300.

 

I think the heads are probably the biggest limiting factor - I think the stock ports are holding the engine back alot

Did you happen to dyno after each mod or was it more of a parts list/dyno all together deal?

Cam/manifold selection....are you having a custom intake manifold built?

Looking at your current mods I would say the exhaust manifolds are probably the limiting factor in terms of power....as a system thats a big piece of the NA puzzle I think a proper set of long tubes would go far on your car.....Ive seen an exhaust manifold make 20+whp dynojet on a mild NA setup - granted the rpm window was higher but same principle in terms of scavenging and keeping the right exhaust velocities

 

The lower plenum has been port matched to the heads and when the motor is ready to go in and the current motor comes out the MREV will also be matched. I have Crawford headers that are going in as well as a cutout that will open when it is legal to make the exhaust open.

The build thread is here:

https://my350z.com/forum/na-builds/5...-na-build.html

 

I think you are a contender for my350Z.com Dyno Racing Championship.

 

Thanks David but I think I'll pass on that one - Ive spent enough time around stock block Supra Queens to know that game is nothing but harsh words and over inflated egos clashing for bragging rights

I'll have Shawn plot some stock VQ pulls against my own for reference and be done with it - it makes whatever it makes and its sure more than it was so Im happy

Edit

Did some research on local dynojets and found a very well known one for those who want a dynojet they can have something to reference with -MD Automotive in Westminster - apparently InsideLine uses this dynojet to test all their cars for the articles they put together - hopefully if its good enough for a publication the dynojet guys will concede its a worthy dynojet to use lol

Ill try to get an appointment with them soon - probably mid to late August as I will out of town this coming weekend and will be busy through the week after that....curious myself though - they have tested ALOT of cars for InsideLine

http://www.insideline.com/

Here is an 08 HR with ART pipes and TDXV2 install dyno - red line is old exhaust/test pipe combo - green line is ART pipes and TDX - purple is after Shawn tuned it....he knows VQs well

https://my350z.com/forum/attachments...comparison.jpg

 

Those are damn good results! i just did my 08(HR) on the same dyno at the same location..Church..today. Only mod was Nismo short intake, which came with the car. This is same Osiris tune. Very close results..and you have the 06 DE motor.
Here's mine...you can check out my thread today as well.



My AFR was also rich at 11.5 as well...brought up to 13:

 

Just to chime in on the whole dynojet vs Church dyno debate:

I get my tuning done at Church for my Vortech setup, mad props for some awesome and safe tuning by Shawn, and on the dynapak I was getting 568 whp/ 472 trq

<a href="http://s1118.photobucket.com/albums/k614/SubiWRX006/?action=view&amp;current=IMG_0486.jpg" target="_blank"><img src="http://i1118.photobucket.com/albums/k614/SubiWRX006/IMG_0486.jpg" border="0" alt="Photobucket"></a>

I recently finally got my car baselined at MD Automotive on their dynojet, and I got the following numbers: 525 whp/ 420 trq

<a href="http://s1118.photobucket.com/albums/k614/SubiWRX006/?action=view&amp;current=Dynojet.jpg" target="_blank"><img src="http://i1118.photobucket.com/albums/k614/SubiWRX006/Dynojet.jpg" border="0" alt="Photobucket"></a>

That shows about a 7.6% difference on whp, however it also shows about 11% difference on torque, but I was having some clutch slippage issues so maybe that's why there's a difference there; maybe the torque numbers would be more similar to each other if my clutch wasn't slipping...

OP, thanks for referring me to MD Automotive, those guys are cool, and those of you guys who follow MotoIQ/ Dave Coleman, they work on frankenmiata at their shop...

 

Thanks for the update - I have heard good things about MD and will try to book a weekend dyno day - Im just super busy with school and work. Glad it went well and you have some dynojet numbers for those who care lol - I love Shawns facility and its 5 mins from my house - always fun to stop by and see whats being tuned great numbers too

 

That's about right...I figure 8%. 300WHP less 8% is about 25HP less for a dynojet.

 

I think 8 is on the high end - if his clutch wasnt slipping I think he would have made more power and been in line with the 5-6% where I think its at - the biggest difference is the wheel/tire combo - slicks vs street vs cast wheels vs forged light weight etc....so many variables with wheels on dynojets

Shawns numbers are for VQs at the hub so no rolling resistance or drag etc to worry about fudging the numbers or heavy 20" wheels effecting the results...just raw data

GOOD NEWS! Looks like MD had a slot open for me before work Saturday so if any locals wanna hangout and watch I'll be there around 1030am to get some baselines on their dynojet for future progress.

 

I'm pretty confident we're looking at 7-8% difference here. I also dynoed two other cars there..both FWD though.