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-   Series I Major Horsepower Upgrades (https://www.rx8club.com/series-i-major-horsepower-upgrades-93/)
-   -   slash128's Top Mount Build (https://www.rx8club.com/series-i-major-horsepower-upgrades-93/slash128s-top-mount-build-243099/)

slash128 04-09-2013 02:38 PM

1 Attachment(s)
Ok, I fixed the log names back in the youtube post. Attached to this post are the previous logs in CSV format.

Brettus 04-09-2013 02:42 PM

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here you go - settings the same - 3rd


https://www.rx8club.com/attachment.p...1&d=1365536528

slash128 04-09-2013 03:02 PM

1 Attachment(s)
Cool thanks :) VD wants to be a bit more optimistic, even with a lower weight. But all I really care about at this point it it is a blast to drive!

FazdaRX_8 04-09-2013 03:12 PM

Pretty sure the extreme power loss is that log is the timing being pulled
slash you need to send me all the logs still :P

the video's look like its doing great!!!

slash128 04-09-2013 03:21 PM

Yeah I was noticing that in the log, all the way down to 3.5 deg or so. I will get you some proper logs :)

yomomspimp06 04-09-2013 03:51 PM

I'm so happy the TQ curve, according to VD, looks so flat!
I was skeptical of the placement nd wastegate size but it seems to be doing fine. No boost problems? Glad to see you're happy with it. Really hope to see some official dyno numbers soon.

yomomspimp06 04-09-2013 03:54 PM

Have you thought about doing a video in 2nd from about 2krpm? I would like to see how early the turbo comes on. Love the gauge set-up.

slash128 04-09-2013 03:58 PM


Originally Posted by yomomspimp06 (Post 4454433)
Have you thought about doing a video in 2nd from about 2krpm? I would like to see how early the turbo comes on. Love the gauge set-up.

Thanks! Yah, normally I start logs at lower RPM, it was just a pain to hold my iPhone steady, start the log, do the run and watch for traffic all at the same time :lol: and to top it off the local state trooper station is right in that area and I saw someone pulled over. I didn't want to be the next.

I will try to get a better video starting at lower RPM, just not sure when yet.

slash128 04-09-2013 04:01 PM


Originally Posted by yomomspimp06 (Post 4454428)
I'm so happy the TQ curve, according to VD, looks so flat!
I was skeptical of the placement nd wastegate size but it seems to be doing fine. No boost problems? Glad to see you're happy with it. Really hope to see some official dyno numbers soon.

I don't really notice any boost problems, but this is my first real boosted car, so not necessarily sure. It seems to top out at 9-10psi and hold there pretty steady. I don't have any boost controller yet either.

yomomspimp06 04-09-2013 04:11 PM

awesome! I was worried about the wastegate placement.
Are you running open dump? I thought the PTP kit recirculated but it doesn't sound like it is in the video

yomomspimp06 04-09-2013 04:14 PM

I lost the bid on that PTP kit btw :(

slash128 04-09-2013 04:15 PM

Ya open dump. I was having trouble getting it to fit up so I just had a shop hack off the return pipe and weld it closed. It is pretty freakin loud but makes it easy to swap springs!

Bummer you lost the bid! It turned out to be not a bad kit. There are some things I would like to change, but overall, well you see the results.

FazdaRX_8 04-09-2013 05:01 PM

New tune your way!!
gosh this thing is quick!!!

sad I have your tune more in line then my own haha!
but I am like brettus I like to fiddle with different settings and see what happens

slash128 04-09-2013 05:21 PM

As always you rock! Looking forward to the meet, we can take it for a spin!

yomomspimp06 04-09-2013 05:24 PM

I was under the impression that the AP doesn't read A/F below 11.00

yomomspimp06 04-09-2013 05:25 PM

maybe Fazda can hold the camera. you know, get all kinds of video for us pushy folks

slash128 04-09-2013 05:26 PM


Originally Posted by yomomspimp06 (Post 4454509)
I was under the impression that the AP doesn't read A/F below 11.00

Someone else can probably answer better, but I think it varies. Mine seems to bottom out at 10.88, while my dash gauge will read down in 9's.

FazdaRX_8 04-09-2013 05:43 PM

from what I have found the bottem is either 11.02 or 10.88, it doesn't mean its 10.88 I just consider that zone 11.00. each car is different, and I have seen the bottem change from just changing a tune.

FazdaRX_8 04-09-2013 05:44 PM


Originally Posted by yomomspimp06 (Post 4454512)
maybe Fazda can hold the camera. you know, get all kinds of video for us pushy folks

Yeah I should get Slash128 to get us a go pro! mount it under the car and see flames from the open dump!@!

slash128 04-09-2013 06:50 PM


Originally Posted by FazdaRX_8 (Post 4454529)
Yeah I should get Slash128 to get us a go pro! mount it under the car and see flames from the open dump!@!

I have wondered what it looks like down there... The location of the wastegate is just inches from the rear exhaust port on the motor...

slash128 04-12-2013 02:38 PM

1 Attachment(s)
Brettus, got a new log today if you want to load up in ME, if you are bored :)

Brettus 04-12-2013 03:27 PM

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Here ya go - looking good !

I would say this though :

*WHP looks about right for the boost you are running (9psi right ?)
*Mass airflow( and therefore load) at 425g/s looks way too high for the amount of boost and the whp.

https://www.rx8club.com/attachment.p...1&d=1365798421

slash128 04-12-2013 03:30 PM

Thanks Brettus! Props to Fazda! :icon_tup:

FazdaRX_8 04-12-2013 05:57 PM

yeah I thought about messing with the tune to make it work with less/more realistic g/s but I really didn't want to change everything, you can see the logs and see the voltage, really g/s doesn't mean anything to me, the maf voltage says more because everyone can have a different scale. but its the same maf voltage. that is the constant

I could easily lower the injector scale, then lower the maf scale, and vise versa, make my injector scale huge, so it puts in less fuel, then tell the maf it has 1000g/s haha.

we pretty much have the same setup, similar sized turbo's, and we are both bouncing on that 4.77 voltage area. although my tune has 808 injector scale and going to 380g/s his is 850 injector scale and 425g/s.

slash128 04-12-2013 06:11 PM

Ya, but it's just fun to see these virtual dyno charts. At least we can see it going in the right direction :) I emailed Hank over at AAF to see about getting a proper dyno. Kinda want to wait for my BHR coils first.


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