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10-06-2007, 08:23 PM | #46 |
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10-17-2007, 05:05 PM | #47 |
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Right now I have Procede with map version 1.47 on my 335. It makes the car a beast. If you use at the crank numbers to compare then I am at about 370hp and 400tq. I'm on the waiting list for the v2 upgrade and maps and that will get me to about 420hp and 450 tq. There is a dyno (of v2) with average of about 370 wheel HP and 405 wheel TQ with map 2.0.1.
There is a person running his v2 at a track in NJ tomorrow to get us some better numbers for 1/4 mile runs since v2 is just now getting out in public hands. When you think about it $1600 for procede v2 and you get those kind of increases, it is a bargain. I don't have anything bad to say about any of the other platforms, but I am happy with my choice and it has been an incredible product that made a fun car even more exciting. I hope a few 135's give it a try. |
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10-17-2007, 07:15 PM | #48 | |
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10-17-2007, 09:27 PM | #49 | |
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In fact, as he moved to the Evo, noone there had any problems with him on a stock engine. The only problems that crept up were when people started replacing turbos, pushing the boost up around 30lbs, and pushing the block to its limits. Even the Procede V2 pushes less than 20lbs of boost on a very robust block. The one thing that always got me about Shiv was his commitment to what he calls "margin of safety". If it's going to push the engine too far, he won't do it in an off-the-shelf product. It could be said that he will for a custom tune if pushed enough, since that's where any failures have occurred. But, if he sticks to his guns, I don't think you'll ever see a blown engine as a result of a simple ECU tune from Vishnu, or anyone else reputable for that matter. |
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10-18-2007, 07:22 AM | #52 | |
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10-18-2007, 09:48 AM | #53 | |
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A stock N54 runs 250 oil temperatures when driving around town, and on road courses it can easily see 280, or even 300 when the engine goes into limp-home mode. There are also rumours coming out of BMW about cylinders #5 and #6 running significantly hotter than the rest, especially at sustained high speed highway driving - which may not be a concern to US drivers, but something to think about nevertheless. I know that the vast majority of people buying these products will never go to a driving school (which is really a shame, but not the topic here) - so they will most likely be ok. But if I were buying the V2 Procede, I would actually decrease the default power and attempt to reshape the torque curve for a flatter and more predictable output. Just as with most things in life, I think a little caution and common sense is of essence when tuning your car. There are many people running engine modifications (including me) that right now swear what they have is safe - but if something were to happen to an engine, we'd all be running like chicken.
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10-18-2007, 10:16 AM | #54 |
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How does this tuning work? I know in the VW/AUDI world the performance software is installed via the ECU Port. Is it done the same way in BMWs? or is this the old method that requires replacing the ECU for the Vishnu one?
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10-18-2007, 10:27 AM | #55 |
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Neither. Procede is a piggy back computer that intercepts and alters the signals coming in and out of the ecu if I am not mistaken.
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10-18-2007, 11:28 AM | #56 | |
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10-18-2007, 11:42 AM | #57 |
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10-18-2007, 12:29 PM | #58 | |
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If that is indeed the case, all that may be needed is just a lower temp thermostat.:iono: I think one year from now some of these things may be settled...
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10-18-2007, 12:29 PM | #59 | ||
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The user-tunable torque curve on the V2 is definitely a big bonus, and I have the same thinking as you. My common sense tells me that flattening out the torque curve so there isn't as much dropoff after 5000rpm would make the car much more drivable, with linear acceleration through redline. Quote:
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