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Old 04-20-2004, 11:35 PM   #1
NeaD
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Member#: 43371
Join Date: Sep 2003
Chapter/Region: MWSOC
Location: St. Louis, MO
Vehicle:
1998 Impreza 2.5RS-T
Hydra User, Blue

Default Supra TT side feed injectors

Is there a write up anywhere on how to mod them to fit into the 98rs?
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Old 04-21-2004, 07:10 PM   #2
NeaD
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1998 Impreza 2.5RS-T
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anyone know?
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Old 04-21-2004, 11:35 PM   #3
Darshu
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98RS w/ EJ207
2010 Mazdaspeed3

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USDM 550cc Supra TT side feed fuel injectors don't fit in any side-feed fuel rails that Subaru makes. I've personally tried them in MY98 RS and Legacy Turbo rails. No dice. Try some yellow-top Nismo 555cc injectors instead, or be prepared to chop apart a stock Supra rail for the injector bosses and build your own custom rails.

Also, you'd need ballast resistors for Supra injectors since they're Low-Z and your Subaru uses High-Z injectors.
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Old 04-22-2004, 12:06 AM   #4
NeaD
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Quote:
Originally posted by Darshu
USDM 550cc Supra TT side feed fuel injectors don't fit in any side-feed fuel rails that Subaru makes. I've personally tried them in MY98 RS and Legacy Turbo rails. No dice. Try some yellow-top Nismo 555cc injectors instead, or be prepared to chop apart a stock Supra rail for the injector bosses and build your own custom rails.

Also, you'd need ballast resistors for Supra injectors since they're Low-Z and your Subaru uses High-Z injectors.
Yellow-top Nismo 555cc injectors sounds fine then.. thanks for the info.
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