Nissan 370Z Forum - VVEL control unlocked

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Nissan 370Z Forum (http://www.the370z.com/)

- Tuning (http://www.the370z.com/tuning/)

- - VVEL control unlocked (http://www.the370z.com/tuning/61400-vvel-control-unlocked.html)

indyn

10-28-2013 09:33 AM

Quote:

Originally Posted by Dynotronics1 (Post 2544153)

we are playing with it on a FEW SELECT customers, and on the dyno, but I have not found any earth shaking torque increases with it,,,,,yet.

do you think you'll see better results with JUN cams done?

SurfDog

10-28-2013 10:01 AM

Quote:

Originally Posted by Jordo! (Post 2283982)

So long as there's no knock, no one is revving so high as to cause valve float, and there are clear safe max values to avoid piston to valve contact, at worst they'll see no gains and at best they'll see all the gains I've been hoping for.

I'm hoping they can also confirm or refute whether the Nismo ECU's have same or different VVEL target maps as compared to non-Nismo. I've been clinging to the hypothesis that they are different for ages now with no clear answers...

:iagree:

Dynotronics? Any insight here??

Alstann

10-28-2013 10:08 AM

Quote:

Originally Posted by Dynotronics1 (Post 2544153)

we are playing with it on a FEW SELECT customers, and on the dyno, but I have not found any earth shaking torque increases with it,,,,,yet.

I think if you get some improvements with tuning it on boost, that would really motivate some peeps. :tup:

elperuano

10-28-2013 08:27 PM

Has anyone read this thread? And not just the last few pages? Vvel has been played with back in Decemberof last year. Not sure why anyone is thinking this is new stuff. Video out n everything with a 370 sounding like a muscle car. So it's safe to say that since December of LAST YEAR, nothing has changed from Uprev or ecutek.

ANMVQ

10-29-2013 08:11 AM

Was the vid on this thread ? I've been following this but may have missed it

theDreamer

10-29-2013 08:13 AM

Quote:

Originally Posted by O&G (Post 2009511)

Here is a clip Johnny sent me of him messing w/ the VVEL @ idle/ low rpm,'s...... cracks me up. We are learning more and more, hopefully we will get some good results after the build. My car is down right now getting a turbo upgrade and building the bottom end w/ my spare block, which is the reason there is no exhaust at the moment. Updates when they come in!

http://i251.photobucket.com/albums/g..._IMG_09011.jpg

Here you go.

COSMO

10-29-2013 08:15 AM

Holy !@#$%^&*

ANMVQ

10-29-2013 08:21 AM

Crap I'd do it if its safe just for the sound LOL an of course some WHP gain :)

Dzel	10-29-2013 08:30 AM

Sounds like it has a mighty big cam in it!

ANMVQ

10-29-2013 08:42 AM

Sounds like my old small block 350 ;)

Dzel	10-29-2013 09:14 AM

I showed it to a co-worker and he said it sounded like a tractor.... I slapped him immediatley.

elperuano

10-29-2013 09:22 AM

This vvel adjustment was done with Uprev btw.

Dzel	10-29-2013 09:31 AM

whaaaa!!!

Dynotronics1

10-29-2013 09:47 AM

Quote:

Originally Posted by ANMVQ (Post 2545508)

Crap I'd do it if its safe just for the sound LOL an of course some WHP gain :)

gee it all you want to do is make your car sound like an old truck, that's easy.

BTW, that's not VVEL but more VVT with WAY too much overlap down low.

As I said, we have not seen any real huge gains on the dyno, yet.

BTW, yes you can change the vvel with uprev, problem is, you have no idea what it is you are really changing, and not all of the tables are even defined with that sw. I try not to do stuff by wild assed guessing. If we can't repeat it, and back it up on the dyno, it does not go into one of our files. I really don't like to blow stuff up, it hurts my feelings!

Dzel	10-29-2013 09:49 AM

Hmm well said. I called you guys last week for a quote. Very knowledgable.

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