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Switched over to this Borg Warner from a Gen 1 Precision 6262 I had last year.
Quick rundown of the car...
Evo 8
93oct.
Tephra v7 SD Rom
Stock bottom end other than balance shaft delete
HKS 280 cams
ARP headstuds
Borg Warner S363 SX-E in T3 .63ar
Forward facing tubular manifold
FIC 1150s
Modded Walbro 255lph
Fuel Lab AFPR
Speed Density
SpoolinUp non CDI COP
egr delete
3'' aluminum catback
490whp/394wtq
30psi, 9* of timing at peak load. (read issue with timing below)
Spent a couple of hours on the tune today along with a friend. Spool up area a/f looks as if it could still use some smoothing. Full boost comes on at 5500.
We're both still very new to tuning sd on ecuflash. DSMlink is much more user friendly at least to a couple of guys coming over from the old DSM's.
As far as the timing I could not seem to get advance above 9* at peak load, It was not knocking at all so I am thinking it would have taken some more advance up top, however the car did not seem to be hitting the timing numbers we were putting in the load cells up top for some odd reason? Right now the high octane ignition map is set at 13* at the peak load cell area but only hitting 9* I did not want to set it any higher without understanding the issue so I just left it at that for the time being. I am hoping it will make over 500whp with another degree or two of timing on pump gas.
Last edited by EvilDSM97; Jun 19, 2017 at 09:14 AM.
Beautiful car. I am also going for a bw s362 fmw, was curious if the housing was .73 a./r and not .63. Full race sell only .73 t3. Where did you get this .63 housing?
How is the transient response?
I'm logging 2 byte load.
I have a log a of quick two gear pull, hopefully can give you somewhat of an idea of the response.
I purchased my BW from AGP, they make their own turbine housings for them which was great because I could not find the smaller turbine I wanted in stock anywhere else. Everything was on back order for upwards of a month with other vendors I attempted to purchase from, but AGP was able to get me the turbo along with the housing in less than a week and under $1000 shipped.
I bought the 63/68 variation with the .63ar t3. They also sell the 63/73 but not available with .63ar on their page.
What is the boost curve doing, particularly at high rpm ? Comparing to 6266 stock block setups you dropping torque at high rpm, which obviously is costing you peak power.
Try make adjustments to the boost tables to hold more boost post 6500 rpm to flatten the torque curve.
Q: Where are you hitting peak load , rpm wise and what is the boost at that point ?? Based on the torque curve I'd say ~6000 rpm.
If your higher timing numbers are post 6000 rpm and you dropping boost then you won't be hitting those load cells. Just a thought...
What is the boost curve doing, particularly at high rpm ? Comparing to 6266 stock block setups you dropping torque at high rpm, which obviously is costing you peak power.
Try make adjustments to the boost tables to hold more boost post 6500 rpm to flatten the torque curve.
Q: Where are you hitting peak load , rpm wise and what is the boost at that point ?? Based on the torque curve I'd say ~6000 rpm.
If your higher timing numbers are post 6000 rpm and you dropping boost then you won't be hitting those load cells. Just a thought...
I'm not home to take a look a look at my log at the moment, but if my memory serves me correct the boost stays quite consistant from 5500 to around 7300 when I let off. (Roughly 30-30.7 psi, I'll recheck the log when I get home to verify.
I will check out where my peak load is also when I get home. I also remember that staying pretty consistent around 315 from right around where it hits full boost (5500ish) up until redline.
Looking closer at my timing map I do notice that my load could be going higher than what evoscan is showing which would explain why the timing is not going up at peak load as I add it. I have a screenshot of my map on my phone I will try to upload later, but my timing advance seems to be advancing in line with my 340 load column opposed to the 315 load area in which evoscan is showing me on my logs.
Here is what my timing map looks like. This is not the most up to date map, I've since tried ramping peak timing up to 13 degrees at 7000-7500rpm in the 310 and 320 load columns to see if I could get timing to go any higher, but peak is still at 9 degrees. Now if you take a look at the 350 load column it is right in line with where my timing is actually going. Very strange. I'm not sure if it is possible that evoscan Is displaying load lower than what it actually is?
Last edited by EvilDSM97; Jun 19, 2017 at 09:24 AM.
Jun 17, 2017, 08:21 PM
