BW S360 Dyno 477whp/370ftlb 20psi
#1
BW S360 Dyno 477whp/370ftlb 20psi
After waiting out the break in period and slowly turning the boost back up on the rebuild from Angel Motorsports down in SoCal. I decided to throw it on the dyno when a friend came to visit Sonoma with his dyno to see what it would do. Two pulls both around 20psi with AFR's in the 10's with no ignition breakup. Everything felt good and put down 477whp and 370ftlb torque. Pump Cali 91 with water/meth injection
Street Port
S5 large casting irons
S4 housing
S4 rotors
Goopy Seals
Atkins solid corner seals
Haltech Sprint
FIC 1150cc
Delphi 1000cc injectors
Walbro 255hp
Aeromotive fpr
HKS Twin Power
Stock coils
Stock crank angle sensor
MSD wires
NGK R7420 10.5 and 11
AEM Water/Meth
Borg Warner S360 .88 open
HKS cast mani
3" downpipe to dual 2 1/4"
JGS 50mm wastegate
Stock intake mani
Greddy fmic
Now I was running the same setup with 3rd gen corner seals for a little over 4 years making identical power prior to this, but that one lost compression due to cracking rear corner seals caused by high heat? It was tuned for mid/low 11's and now it is tuned slightly richer with the new engine. Wondering if my timing maps had something to do with the last failure? Vid and screenshots of a log of one of the pulls with lead and split maps.
4th gear pulls
Street Port
S5 large casting irons
S4 housing
S4 rotors
Goopy Seals
Atkins solid corner seals
Haltech Sprint
FIC 1150cc
Delphi 1000cc injectors
Walbro 255hp
Aeromotive fpr
HKS Twin Power
Stock coils
Stock crank angle sensor
MSD wires
NGK R7420 10.5 and 11
AEM Water/Meth
Borg Warner S360 .88 open
HKS cast mani
3" downpipe to dual 2 1/4"
JGS 50mm wastegate
Stock intake mani
Greddy fmic
Now I was running the same setup with 3rd gen corner seals for a little over 4 years making identical power prior to this, but that one lost compression due to cracking rear corner seals caused by high heat? It was tuned for mid/low 11's and now it is tuned slightly richer with the new engine. Wondering if my timing maps had something to do with the last failure? Vid and screenshots of a log of one of the pulls with lead and split maps.
4th gear pulls
#7
I didn't think that was too aggressive? I don't have an egt to tell if my timing maps are way off or not. I did have one person tell me that I may not be running enough timing combined with rich fuel mixtures that could cause high egt's. I have always went with 20 degrees lead @ 10psi and lowered timing 1 degree with each 1psi raised
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#11
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I didn't think that was too aggressive? I don't have an egt to tell if my timing maps are way off or not. I did have one person tell me that I may not be running enough timing combined with rich fuel mixtures that could cause high egt's. I have always went with 20 degrees lead @ 10psi and lowered timing 1 degree with each 1psi raised
Also, you are completely correct though, or whoever told you, that running rich mixtures without enough advance will lead to high EGTS
Completely agree!
Last edited by TitaniumTTRE; 11-04-16 at 08:25 AM.