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Old 04-29-2004, 06:01 PM   #1
allsubaru83
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Question does anyone where i can pick up a larger throttle body?

I was wondering if anyone knows where i can pick up a larger throttle body for my 99 2.5rs Please help.. Thanks chris
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Old 04-29-2004, 06:07 PM   #2
DrBoy01
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IIRC your best bet would be to get one custom made or have your stock one bored out. No one that I know of makes aftermarket TBs in the states for the EJ25.
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Old 04-30-2004, 12:29 PM   #3
obyone
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Quote:
Originally posted by DrBoy01
IIRC your best bet would be to get one custom made or have your stock one bored out. No one that I know of makes aftermarket TBs in the states for the EJ25.
I think Cobb does, but they just bore out stock TB's and then resell them.
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Old 04-30-2004, 06:57 PM   #4
Compressed
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I think the RS throttle body is plenty big, its definitely not the biggest restriction to look at removing. First would be cams and then headwork, after that look at the intake manifold.

After you've changed all that the throttle body might be affecting flow.


With all that said I have actually modded my own throttle body some and noticeded slightly improved top end. Knife edged the throttle plate and ported and polished the leading edge.
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Old 04-30-2004, 10:20 PM   #5
Opie
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http://www.techworkseng.com/

Send yours to them...they will make it bigger...
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