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Old 02-04-2007, 06:52 PM   #125
Scooby Specialist
Member#: 4498
Join Date: Feb 2001
Chapter/Region: NWIC
Location: Portland, Oregon
WRX H6-3.0 Turbo


Originally Posted by Numbchux View Post
I'm not looking for even 400 whp. nor would I want stock compression, I really like what you've done, but that torque curve makes me cringe.....

but, one more question, it looks like STi rods might this true? did you try them? that's the one thing I haven't been able to get good info, is the rod dimensions.
H6 Rods:
5.180" long (center to center)
.8665" small end diameter
2.1650 big end diameter

STI Rods:
5.138" long (center to center)
.905" small end diameter
2.1650" big end diameter

Note the H6 rod length is the same as the 2000+ SOHC 2.5L non-turbo rods. However the small end diameter is smaller then any other Subaru rod I know of.

So you could use US STI rods, but you would need to get a custom piston that us the STI pin diameter as well as a custom comp height since the rod is a bit shorter.

Jeff Sponaugle
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