check out this tune

[staztrx250]

So I just got done ruff tuning my buddies car and i would like some opinions on the tune. Here a brief run down of the set up


clutch pack LSD
fmic
1200cc
wisco pistons
egale roods
272 cams (degreed)
E85
ported 16g
and alot of other stuff but you get the picture

The log is a 3rd gear pull its a little choppy because we were losing traction around 80 mph in third gear(and leaving 2 long ass black power marks on the road)

its pretty fricken crazy

 

[BrokenTsi]

Why is your timing in the DA tables targeting negative numbers?

 

[staztrx250]

Why is your timing in the DA tables targeting negative numbers?

had to build my own maps its the only way to keep it from knocking. Its just the way this motor likes it there's nothing wrong with having the timing a little retarded up top. The guy who "professionally tuned" (on pump gas) b4 had all the sliders set to -16 so i built a map around that and ended up with this.

 

[BrokenTsi]

had to build my own maps its the only way to keep it from knocking. Its just the way this motor likes it there's nothing wrong with having the timing a little retarded up top. The guy who "professionally tuned" (on pump gas) b4 had all the sliders set to -16 so i built a map around that and ended up with this.

Im DrewJ on the dsmlink forums, so Im going to post this here too since you have this thread on this forum too.

You're right, there is nothing wrong with having a timing a LITTLE retarded up top.

Sliders are different than the DA tables in v3. Sliders will pull a degree off of total advanced timing. So if you make a pull, and you see 23 degrees of timing, and you want 18, you would reduce the timing sliders by 5.

However, in your log, the sliders are zero'd out. Which is perfectly find and acceptable. In your DA tables you put -4 and -5 in the entire table. That means that total advanced timing will be -4 and -5. You dont want that. You should be at LEAST 16 degrees on e85 to start out with. If you want 15, type 15, not -1.

In case you're still confused..........to reduce timing in the DA tables, you just target EXACTLY what you want, not how much you want to reduce total advanced timing by.

 

[staztrx250]

Im DrewJ on the dsmlink forums, so Im going to post this here too since you have this thread on this forum too.

You're right, there is nothing wrong with having a timing a LITTLE retarded up top.

Sliders are different than the DA tables in v3. Sliders will pull a degree off of total advanced timing. So if you make a pull, and you see 23 degrees of timing, and you want 18, you would reduce the timing sliders by 5.

However, in your log, the sliders are zero'd out. Which is perfectly find and acceptable. In your DA tables you put -4 and -5 in the entire table. That means that total advanced timing will be -4 and -5. You dont want that. You should be at LEAST 16 degrees on e85 to start out with. If you want 15, type 15, not -1.

In case you're still confused..........to reduce timing in the DA tables, you just target EXACTLY what you want, not how much you want to reduce total advanced timing by.

well what I've been trying to get at is obesely something isn't right i know how to tune just tho prove it here's the a log from my car... set up is in my profile

lc1 wideband is logged in the front if you want to look at afrs

 

[brisvr4]

What calculations did you do to work out the injector compensation figure to use?
For the 1200's that you have listed I get -44 and yours seem to be a lot different to that at -20?

 

[staztrx250]

What calculations did you do to work out the injector compensation figure to use?
For the 1200's that you have listed I get -44 and yours seem to be a lot different to that at -20?

Yeah i don't know why that is but his 720's where he same way(off by a lot). i started with the cruse tune and idle to get that global fuel trim and dead time. It is pretty much perfect the combined fuel trim stays within 2% of 0 at cruse and idle

 

[gofer]

Im trying to look at your logs and theres an error, try uploading them again.