And that, Adam, is exactly what I was talking about.

 

True on race gas but his 93 oct toon is all Al and it did 12.2 at 110 mph w/o cams. Not bad! His race gas time and trap is his warrs tuning.

 

alright cool, how does he revert to al's flash though? Like does he save the settings on his AFC or something?

 

Ladies and Gentleman,

This thread has been "pruned" to clean up the personal insults and off topic comments. I am in no mood to do it again. Any off topic comments will be removed without warning and you will be assigned to answer all "why can't I post in the for sale forum" PMs. Flaming will result in you and and your dance partner spending the next 3 days in time out.

Now, if ANYONE has an issue with fairness, bias or really offended because your post was removed then PM me. Please include your IP address and where you would like you mail forwarded.

Speedlimit...

 

Now that the thread is back open, can someone w/ dyno tuning and road tuning experience answer this question?

Thanks Speedlimit for cleaning and re-opening the thread.

 

My Dynoflash is always active, but when I toss in race gas, I turn up the boost, then fine-tune with the SAFC by leaning out from 5500-7500rpm. I simply set the SAFC back to 0% across the board after I go back to pump gas.

This will no longer matter, though, because the SMC kit just got installed today, and I will get tuned for full-time 24-25psi on 93+alky next weekend. I won't need to worry about race gas anymore.

 

For reference, since Gruppe-S is where this car was first dyno'd and shown to have issues, here is a Gruppe-S dyno day from the summer:

http://www.gruppe-s.com/DynoDay/DynoDay.htm

Notice where the Dynoflashed cars sit in comparison to the other cars. These are all road tunes by Al that then went on the dyno a few weeks later, whereas some of the other cars have dyno tunes from other flashers. This shows the typical results of a Dynoflash on an VIII.

I do not have any such references to show that IX road tunes are equivalent or better than other dyno tunes yet.

 

Yes, I see what you mean there, Jon. But my basic point in looking at the first graph is that the base-off-the-shelf Vishnu tune looks to have much more AUTC with comparable or less boost.

That first graph IS a comparison at nearly identical boost - please correctly if I'm wrong - I don't claim to be an expert by any stretch.

I would like someone to address the first comparison of the dyno curves that have similar boost. It is easy to understand that more boost = more power, but when that is taken out of the equation how do we explain the first comparison?

What I also hope to learn from what could be a productive discussion between vendors is the different tuning results as far as powerband placement goes between the different tuners if any is intended. I've heard different people say that DynoFlash is more drag racing vs road racing with Vishnu. Maybe the AUTC is more important for Vishnu and peak or upper rpm power is more valuable to the DynoFlash camp?

It looks to me that Shiv is saying that with his tools (a dyno, his software, tuning, etc.), that he is able to improve on a base map - thus the higher boost on subsequent runs. Part of what I glean from Shiv's posts is that his method of using a dyno to tune is more accurate and appropriate for this early stage in development of tuning the Evo 9 than a road tune. Maybe with more data both teams will improve?

In response to the parts discussion - again from my limited reading here - the stock intake seems to be an important factor in Vishnu tuning. If I remember correctly from the initial post, the intake that was removed wasn't a Buschur product, it was HKS right? Maybe that was the largest part of the issue? I'm just trying to brainstorm here...

Rgds,
Adam

 

I agree. Here is what I wrote on the other thread.

I don't see this as bashing Buschur products. I did see that he had a problem w/ the downpipe, but I am sure Buschur would of replaced it free of charge. Hopefully, he calls Buschur anways to get his DP replaced.

The real issue comes w/ the way the customer was treated. He felt his tuning experience w/ Al wasn't very good. So customer calls Vishnu for their service. Vishnu tells the customer that he can make same/better power w/ the stock parts. Customer is happy, because he can sell his parts (regardless if they were Buschur, RnR, AMS, JDM, etc.) The customer didn't like the sound of an intake so regardless the stock intake was going back on.

Either way, the customer is happy and Al needs to address his customer service.

 

The problem is that the parts on the car were changed BEFORE doing a retune. Had the parts not been touched, and a retune was performed by Vishnu showing these same gains, then there would be irrefutable evidence. However, the parts were changed and THEN the previous EcuTek flash was erased and re-tuned. This was the biggest mistake, but apparently it was by request of the car's owner and not Shiv's personal decision.

No, the whole Dynoflash-Drag vs Vishnu-Road is all about what their respective customers tend to do more of and what the tuners themselves focus on. It is not something that is reflected in the tuning. Al doesn't tune all of us strictly for drag racing performance, but rather perfect, reliable street performance. That's why he road tunes. When drag racing, you never go below 5500rpm and those without cams shift around 7000-7200 rpms, but Al tunes us from just before spoolup all the way to the rev limiter.

 

[/QUOTE]something on this I can agree with. the rest is of not much use. sort of I do not belive the stock downpipe will make more power that DBs downpipe.

 

something on this I can agree with. the rest is of not much use. sort of I do not belive the stock downpipe will make more power that DBs downpipe.[/QUOTE]

Actually, the DB dp was replaced with a Works dp, not a stock one.

 

Thank you for all your work Speedlimit. Check your PM

-shiv

 

Note the 2 dynoflashed cars have cams, unless you are just talking about the list of 8 cars under the "stock turbo with internals" section.

 

+1

I also think that the Evo IX ecu has a lot to do with that happened. It's much more advanced then the VIII's and I think Al wasn't prepared for it. I'm sure he has no problem tuning the VIIIs.