Any flow data of S54 head, S52 head, M52 head?
Stock vs. Ported
M5x head (S52 specifically but same thing)
Stock:
Ported:
^ nice numbers? Whos port?
1989 535i - sold
1999 M3 Tiag/Dove - sold
1998 M3 Turbo Arctic/black - current
2004 Built motor TiAg/Black - Sold
2008 E61 19T Turbo-Wagon - current
2011 E82 135i - S85 Swap - current
1998 M3 Cosmos S54 swapped Sedan - current
1998 Turbo: PTE6870 | 1.15 ar | Hp Cover, Custom Divided T4 bottom-mount, 3.5" SS exhaust, Dual Turbosmart Compgates, Turbosmart Raceport BOV, 3.5" Treadstone Intercooler, 3.5" Vibrant resonator and muffler, Arp 2k Headstuds | Arp 2k Main studs | 87mm Je pistons | Eagle rods | 9.2:1 static compression, Ces 87mm cutring, Custom solid rear subframe bushings, Akg 85d diff bushings, 4 clutch 3.15 diff, , Poly engine mounts, UUC trans mounts W/ enforcers, 22RPD OBD2 Stock ECU id1700 E85 tune, 22RPD Big power Transmission swap w/ GS6-53
Port pics?
1989 535i - sold
1999 M3 Tiag/Dove - sold
1998 M3 Turbo Arctic/black - current
2004 Built motor TiAg/Black - Sold
2008 E61 19T Turbo-Wagon - current
2011 E82 135i - S85 Swap - current
1998 M3 Cosmos S54 swapped Sedan - current
1998 Turbo: PTE6870 | 1.15 ar | Hp Cover, Custom Divided T4 bottom-mount, 3.5" SS exhaust, Dual Turbosmart Compgates, Turbosmart Raceport BOV, 3.5" Treadstone Intercooler, 3.5" Vibrant resonator and muffler, Arp 2k Headstuds | Arp 2k Main studs | 87mm Je pistons | Eagle rods | 9.2:1 static compression, Ces 87mm cutring, Custom solid rear subframe bushings, Akg 85d diff bushings, 4 clutch 3.15 diff, , Poly engine mounts, UUC trans mounts W/ enforcers, 22RPD OBD2 Stock ECU id1700 E85 tune, 22RPD Big power Transmission swap w/ GS6-53
S50B32 euro head
Intake flow:
Lift - stock - stk valve ported - .65mm over valve (with TB) - without TB
.1 - 89.6 - 92.0 - 111.5 - 113.5
.2 - 173.6 - 175.2 - 189 - 193
.3 - 228.6 - 240.0 - 245 - 254
.4 - 253.8 - 264.6 - 281 - 287
.5 - 262.2 - 280.5 - 293 - 303
.55 - 267 - 285 - 299 - 308
.6 - 268.8 - 287 - 303 - 311
.65 - 270.0 - 289 - 306 - 315
cheers, Alan
1/4 mile-12.92 @ 108.64mph-NA 3.0L m3 daily driver
Hi Alan did you get your engine reworked what numbers did you end up with?
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