Quick question on which turbo to go with, PT61, PT58 or Borg Warner 61mm?
09-18-13, 11:48 AM
#1
Quick question on which turbo to go with, PT61, PT58 or Borg Warner 61mm?
Current build, 93 R1 13b street port for normal street use (NOT A TRACK CAR).
HKS Cast manifold
FMIC
Power FC
Extreme fuel system
Which turbo would you go with out of these options?
Billet PT61, PT58 or Borg Warner 61mm extended tip?
HKS Cast manifold
FMIC
Power FC
Extreme fuel system
Which turbo would you go with out of these options?
Billet PT61, PT58 or Borg Warner 61mm extended tip?
09-19-13, 07:55 AM
#4
Racing Rotary Since 1983
iTrader: (6)
here's how they compare:
two turbos have roughly similar compressor sizing
the PT 61 and BW 61
compressor average area square inches
PT 61 6.27
BW 61 6.44
GT 35r for ref 6.386
the PT 58 is a re-designed old school TO4E w a new school billet wheel but is a smaller turbo.
PT 58 5.61
the hot side among this group is where the story is:
PT61 less than a T3 stage 5 wheel which is 5.408
BW 61 6.31
GT 35r 5.171
given the rotary engine's higher exhaust flow per hp the BW, with its larger hotside wheel IMO, easily wins the day.
BTW, there is no BW 61 other than in the eyes of the marketing guys...
BW makes a 60 and a 63 inducer size in the non EFR line.
you are looking for either a BW 177272 which has a straight output nozzle or a 177280 which offers a 90 degree bend towards the front.
good luck,
howard
two turbos have roughly similar compressor sizing
the PT 61 and BW 61
compressor average area square inches
PT 61 6.27
BW 61 6.44
GT 35r for ref 6.386
the PT 58 is a re-designed old school TO4E w a new school billet wheel but is a smaller turbo.
PT 58 5.61
the hot side among this group is where the story is:
PT61 less than a T3 stage 5 wheel which is 5.408
BW 61 6.31
GT 35r 5.171
given the rotary engine's higher exhaust flow per hp the BW, with its larger hotside wheel IMO, easily wins the day.
BTW, there is no BW 61 other than in the eyes of the marketing guys...
BW makes a 60 and a 63 inducer size in the non EFR line.
you are looking for either a BW 177272 which has a straight output nozzle or a 177280 which offers a 90 degree bend towards the front.
good luck,
howard
09-19-13, 10:02 AM
#7
here's how they compare:
two turbos have roughly similar compressor sizing
the PT 61 and BW 61
compressor average area square inches
PT 61 6.27
BW 61 6.44
GT 35r for ref 6.386
the PT 58 is a re-designed old school TO4E w a new school billet wheel but is a smaller turbo.
PT 58 5.61
the hot side among this group is where the story is:
PT61 less than a T3 stage 5 wheel which is 5.408
BW 61 6.31
GT 35r 5.171
given the rotary engine's higher exhaust flow per hp the BW, with its larger hotside wheel IMO, easily wins the day.
BTW, there is no BW 61 other than in the eyes of the marketing guys...
BW makes a 60 and a 63 inducer size in the non EFR line.
you are looking for either a BW 177272 which has a straight output nozzle or a 177280 which offers a 90 degree bend towards the front.
good luck,
howard
two turbos have roughly similar compressor sizing
the PT 61 and BW 61
compressor average area square inches
PT 61 6.27
BW 61 6.44
GT 35r for ref 6.386
the PT 58 is a re-designed old school TO4E w a new school billet wheel but is a smaller turbo.
PT 58 5.61
the hot side among this group is where the story is:
PT61 less than a T3 stage 5 wheel which is 5.408
BW 61 6.31
GT 35r 5.171
given the rotary engine's higher exhaust flow per hp the BW, with its larger hotside wheel IMO, easily wins the day.
BTW, there is no BW 61 other than in the eyes of the marketing guys...
BW makes a 60 and a 63 inducer size in the non EFR line.
you are looking for either a BW 177272 which has a straight output nozzle or a 177280 which offers a 90 degree bend towards the front.
good luck,
howard
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