VVT Controller
11-03-2010, 10:34 PM
#6
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Join Date: Mar 2010
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When you get it hooked up can you let me know if pin 15 is constantly +12v in relation to ground? I'm figuring out how I'm going to wire the VVT solenoid into an ODB-II NA harness. Being able to use the IAC wires for it would be convenient.
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11-04-2010, 09:27 AM
#7
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It'll be Kevin's call if he wants to release schematics. While the VVTuner has an output to make it easier to use with MS1, it is not a Bowling & Grippo product.
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11-04-2010, 01:07 PM
#16
Ah, now it will be pretty simple to plop my recently purchased VVT-engine into my 99 and swap back to the 99 engine at any time (e.g. for inspection). 
I only need it to work in April so there is a lot of time for you all to figure out everything until then
(maybe even a version 1.5 til then as usual).
Having the 12x12 table inside TunerStudio would be nice, but I feel that VVT optimization would be done on a Dyno anyway (as a separate parameter), and then a separate application for a separate purpose can actually be better (separate updates when things change).
Hmm, why not also offer a VVT-solenoid pigtail for those that didn't also get the engine harness (or don't want to hack it up)?
I only need it to work in April so there is a lot of time for you all to figure out everything until then
(maybe even a version 1.5 til then as usual).Having the 12x12 table inside TunerStudio would be nice, but I feel that VVT optimization would be done on a Dyno anyway (as a separate parameter), and then a separate application for a separate purpose can actually be better (separate updates when things change).
Hmm, why not also offer a VVT-solenoid pigtail for those that didn't also get the engine harness (or don't want to hack it up)?
Last edited by NiklasFalk; 11-04-2010 at 01:22 PM.
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11-04-2010, 05:50 PM
#18
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Not needed. This is a simple, self-contained product that does only one specific job.
I'd think that you might get some interest out of the Subaru crowd if 36-2-2-2 (crank) plus twin 4-1 (cam) was supported, with dual outputs. (Subarus, being flat fours, have two intake cams, two cam sensors, and two VVT actuators. The mechanism is similar to the Mazda BP-Z3.)
I've got timing diagrams both from the factory manual and from on-car observation available if there's interest in this from the development side.
I'd think that you might get some interest out of the Subaru crowd if 36-2-2-2 (crank) plus twin 4-1 (cam) was supported, with dual outputs. (Subarus, being flat fours, have two intake cams, two cam sensors, and two VVT actuators. The mechanism is similar to the Mazda BP-Z3.)
I've got timing diagrams both from the factory manual and from on-car observation available if there's interest in this from the development side.
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11-04-2010, 10:42 PM
#20
mkturbo.com
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I have a random question about the VVT controller. How is the delay of timing signals from the VVT controller to MS. From what I understand the NB signals go into the VVT controller, get read and then converted to the NA CAS signals and then get fed to the MS. I am assuming that the delay of doing all that does not actually add to up and your reading the info slightly delayed?
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