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05-09-2008, 04:08 PM
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#1
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3.5 in the works
Join Date: Jun 2004
Location: Ontario, Canada
Posts: 2,398
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Dyno - cammed DEK!! ruh roh
*Warning* - long post... oh, and some 3.5 swappers may flip out after reading this...   J/K
So I got on the dyno this morning to finish up my tuning on the cammed DEK, seeing as I'm heading to the track tomorrow for one last hurrah with the 3L to hopefully beat my PB with it before putting the 3.5 in. So obviously I wanted it running and tuned up in top notch shape for tomorrow.
Anyways, I started off with just a straight baseline pull to see where it was at, and it put down about 246 whp. But viewing the loggers I could see it needed some tuning, so after 10-12 pulls and a bunch of playing with fuel and ignition timing I had it running up around 263 whp. Once I optimized it at that level then it was time to open the cutout and make some noise! I did so and after a little more tweaking I just about hit 270 whp at 7500 rpm, actually it came out as 269.87.
So it goes without saying I'm happy with that. Interestingly enough, the modeling I'd done before building the engine predicted around 275 whp at 7700 rpm, and I was skeptical at the time that it was accurate (never fully trust software lol), but hey the program was just about bang on. It does require meticulously measuring and inputing data to get that close though.
So below I've posted 2 graphs, the first one is the best run from today, and the second is just a fun comparison with my 220whp run from 2005 (with stock DE cams and 00VI). The cams have obviously shifted the power band as one would expect, although I have changed more than just cams between the 2005 dyno to now.
You'll notice the dip in the first graph at 6500 rpms, that spans approximately 200 rpms - that unfortunately is unavoidable and is due to the EU adding fuel to get past the stock limiter. There is a momentary rich spike that drops out the power for a split second, but keep in mind that 200 rpms goes by VERY quickly, especially in the lower gears and is almost unnoticeable in the car. It looks big and ugly on the DJ graph, but in reality affects the performance of the car barely at all. I can positively say that the car pulls pretty smoothly through that area, even in 3rd and 4th gear, despite how it looks.
A couple more thoughts: calculating out the crank horsepower gives me somewhere in the 315 range, meaning this engine is doing easily 100 hp per litre. Woot! Also, you can see that it really would have liked to rev to 8000-8200 rpm, if the oil pump/bottom end would have allowed... peak would have been around 7700 or so I believe, probably 273, 274 whp, or something like that. But I am not taking it higher than 7500/7600 now, don't want to blow another pump.
Oh, guess I should post the engine mod list applicable to today's dyno as well:
VQ30DE-K Swap
VQ35 Oil pump w/ low pressure cut off switch
VQ35 JDM cams (similar specs to JWT S1)
VQ35HR valve springs and retainers, double shimmed
Mild head "work" (NOT ported though)
Unorthodox flywheel
Exedy Stage 1 clutch
Greddy EManage Ultimate
Pathfinder TB
Stock DEK crank pulley
Custom intake w/ MAF delete
Cattman headers/y-pipe/catback (plus cutout)
Low temp T-stat
Walbro fuel pump
Returnless fuel rail w/ adjustable FPR
First graph: Best run
Second graph: Comparison 2008 to 2005
__________________
1998. 3L. 5-spd. Sterling Mist. SE.
1/4 mile stats (all N/A VQ30):
Best 60': 1.73
Best ET & trap: 12.61, 108.98 mph
Click to see the video. More videos also here.
Mods list and dyno here (as of May 9/08).
My EU writeup can be found at VQ Power.
Last edited by DandyMax; 07-05-2008 at 12:13 PM.
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05-09-2008, 04:13 PM
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#2
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Use the Search Function!!
Join Date: Mar 2001
Location: Seattle Area, WA
Posts: 6,496
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Mad props. 
__________________
98 SE - Supercharged at 10psi w/the works - VQ35 coming soon...
2k SE - Stock... pretty much
88 RX-7 - Sold
95 240sx KA-T 10psi - sold
3 4th gens.... gone....
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05-09-2008, 04:17 PM
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#3
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Par-mi-gian-o
Join Date: Feb 2003
Location: State College, PA
Posts: 6,974
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Holy sh*t. 270 WHP and you could have gone farther? My god man  |
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05-09-2008, 04:35 PM
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#4
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Senior Member
Join Date: Nov 2004
Location: Santa Barbara, CA
Posts: 7,151
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Holy crap. You haven't gutted the 00vi, either? Define "custom intake" 
I am anticipating moar greatness from the 3.5. 320 maybe? 
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All stock.
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05-09-2008, 05:02 PM
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#5
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12's or bust
Join Date: Dec 2005
Location: Philly
Posts: 3,102
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Holy sh!t batman he's pushing more than some of the boosted guys
I smell a bidding war when this engine goes up for sell
__________________
My Cardomain _  _ Maxima runs 14.30 N/A
Mevi/I/Y/E/N
Dyno: 258whp & 267wtq
Nitrous PB: 13.9@95mph
All Motor PB: 14.3@95mph
Looking to join the 300whp club in 2008
3280lb with driver, full trim, rims, spare, jack, fluids, etc and notorized proof
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05-09-2008, 05:18 PM
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#6
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Supporting Maxima.org Member
Join Date: Feb 2005
Location: Da Bronx
Posts: 1,197
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Those are some real nice number. When you tuned it did you also play with the fuel injectors.
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05-09-2008, 05:25 PM
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#7
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3.5 in the works
Join Date: Jun 2004
Location: Ontario, Canada
Posts: 2,398
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Quote:
Originally Posted by MorpheusZero
Holy crap. You haven't gutted the 00vi, either? Define "custom intake" |
No it's not gutted. Ported for PF TB, and power valve removed, that's it. The "custom intake" refers to everything before the TB.
Quote:
Originally Posted by t6378tp
I smell a bidding war when this engine goes up for sell
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It's already sold...
Quote:
Originally Posted by speed racer
Those are some real nice number. When you tuned it did you also play with the fuel injectors.
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Play with the fuel injectors? Not sure what you mean.. they're just stock DEK injectors... 
__________________
1998. 3L. 5-spd. Sterling Mist. SE.
1/4 mile stats (all N/A VQ30):
Best 60': 1.73
Best ET & trap: 12.61, 108.98 mph
Click to see the video. More videos also here.
Mods list and dyno here (as of May 9/08).
My EU writeup can be found at VQ Power.
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05-09-2008, 05:47 PM
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#8
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Senior Member
Join Date: Nov 2004
Location: Santa Barbara, CA
Posts: 7,151
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Quote:
Originally Posted by DandyMax
No it's not gutted. Ported for PF TB, and power valve removed, that's it. The "custom intake" refers to everything before the TB.
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Power valve removed = close to gutted, that's all I needed to know.
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Play with the fuel injectors? Not sure what you mean.. they're just stock DEK injectors...
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If you massage them they will relax a little which will improve flow.
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All stock.
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05-09-2008, 06:11 PM
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#9
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"Titanium"
Join Date: Jan 2008
Location: Greensboro, NC
Posts: 780
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wow great numbers, this REALLY makes me want to put some ebay S1 knockoffs in my 3.5 and rev it up a little higher.
__________________
2003 SE 6MT Titanium Edition - Sterling Mist
Direct port turbo injection with 2 naws foggers, the big ones!
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05-09-2008, 06:28 PM
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#10
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Build.
Join Date: Apr 2003
Location: Miami, FL
Posts: 8,180
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The 00VI might just be the best IM nissan has ever made. Amazing results!
__________________
"Men occasionally stumble over the truth, but most of them pick themselves up and hurry off as if nothing ever happened."
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05-09-2008, 08:39 PM
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#11
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A32shop.com
Join Date: Nov 2002
Location: Houston, TX
Posts: 4,255
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man thats awesome. i'm not a huge performance guy but i do plan on doing a nice all-motor build in the future. might wanna block me from your aim ahead of time.  |
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05-09-2008, 08:42 PM
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#12
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00vi'dvq30devq354.5genftw
Join Date: May 2004
Location: Baltimore, Md
Posts: 7,003
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All I can say is wow!
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05-09-2008, 11:38 PM
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#13
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Supporting Maxima.org Member
Join Date: May 2002
Location: Spencer, MA
Posts: 1,237
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Nice numbers!!! and I don't say that often.
It's near what I want to make in power on a 3.0. Gives me some more motivation for my own build. With the right combination these 3.0s don't have a problem with making power up top, just a problem staying together.
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- Joe
1996 KH3 Maxima SE - 215 WHP / 200 WTQ SAE corrected @ 202,000 miles, VQ30DEK swap
(5 spd - project car, never ending money pit  )
2007 KH3 Frontier NISMO 4x4 - ??? WHP / ??? WTQ
(6 spd - daily driver)
 ->  - >  -> =
Last edited by 98SEBlackMax; 05-09-2008 at 11:44 PM.
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05-10-2008, 12:32 AM
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#14
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faster than you think
Join Date: Jun 2004
Location: Eufaula, AL
Posts: 1,376
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simply amazing
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Mods: OBX Cold Air Intake w/K&N Filter, 17 Degree Advanced, 10000K Headlight, 10000k Fog Light, Fog Re-Wire, FSTB
1/8: 2.19 60ft 9.3279 @77.34 mph
FS: E-Manage Ultimate W/harness plus extra
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05-10-2008, 05:23 AM
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#15
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Supporting Maxima.org Member
Join Date: Oct 2005
Posts: 3,677
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05-10-2008, 07:10 AM
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#16
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Supporting Maxima.org Member
Join Date: Nov 2000
Location: Chattanooga, TN
Posts: 1,669
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Awesome numbers. It ought to fly at the track on slicks with a great launch.
__________________
96 Pebble Beige SE
14.2@97mph as an auto
13.7@102mph as a 5spd
12.9@106mph after 3.5 swap
11.6@120mph with the S/C
Visit here for mods and dyno.
2005 Nismo Frontier 4x4
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05-10-2008, 07:26 AM
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#17
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Senior Member
Join Date: Nov 2004
Location: Minnesota
Posts: 772
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maybe its time for me to build my dek just laying in my pole barn collecting dust .
but freaking sweat man now we have to see what kinda times you will pull 
__________________
1997 GXE 5 Speed CG2 RIP 160k (My new parts car)
1996 SE 5 Speed KH3 awaiting |00vi(done)|EU,100 shot(Hopefully)|97 front and rear end swap|
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05-10-2008, 08:06 AM
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#18
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GO TEAM GO
Join Date: Dec 2000
Location: DeFuniak and Gainesville, FL
Posts: 15,226
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What are the benefits of a returnless style setup on a 30? Mad props man, I wish I could crack the 220 mark and I would be happy lol
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05-10-2008, 09:34 AM
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#19
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Senior Member
Join Date: Dec 2006
Location: Stroudsburg, PA
Posts: 111
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Quote:
Originally Posted by sparks03max
wow great numbers, this REALLY makes me want to put some ebay S1 knockoffs in my 3.5 and rev it up a little higher.
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Something about revving my car high, and ebay cams, doesn't go together....
Congrats to the o/p
__________________
Cody Ace -- 'Engine Response > Peak Power'
1997 240sx - SR20DET - GT2871r .64 Power - 400whp/330ft lbs
1996 Maxima SE - Fully Loaded, Stock as it comes
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05-10-2008, 11:32 AM
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#20
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Par-mi-gian-o
Join Date: Feb 2003
Location: State College, PA
Posts: 6,974
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Quote:
Originally Posted by codyace
Something about revving my car high, and ebay cams, doesn't go together....
Congrats to the o/p
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The knockoff cams are by no means "low quality." They have used by plenty of people.
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05-10-2008, 12:53 PM
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#21
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Senior Member
Join Date: Nov 2004
Location: Santa Barbara, CA
Posts: 7,151
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Quote:
Originally Posted by Kevlo911
What are the benefits of a returnless style setup on a 30? Mad props man, I wish I could crack the 220 mark and I would be happy lol
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Lower fuel temp? 
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All stock.
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05-10-2008, 11:08 PM
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#22
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3.5 in the works
Join Date: Jun 2004
Location: Ontario, Canada
Posts: 2,398
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Quote:
Originally Posted by 98SEBlackMax
Nice numbers!!! and I don't say that often.
It's near what I want to make in power on a 3.0. Gives me some more motivation for my own build. With the right combination these 3.0s don't have a problem with making power up top, just a problem staying together. |
There is definitely more power available in the engine if one were to get the heads ported and do up the bottom end to rev mid 8000's, bump compression etc. But I wasn't prepared to invest that much in it. I'm focused on my 3.5 now.
Quote:
Originally Posted by MorpheusZero
Lower fuel temp? |
Yes, significantly. And as a bonus, simpler plumbing with the engine swap etc...
Quote:
Originally Posted by MorpheusZero
Power valve removed = close to gutted, that's all I needed to know. |
To me that's not gutted at all... lots of material left inside there still if one wanted to truly gut it.
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