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Old 04-30-2005, 01:52 AM   #1
wildfire
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Member#: 80471
Join Date: Jan 2005
Vehicle:
95 Impreza L AWD
Green Poly

Impreza GC8 1.8 to 2.2 (ej22) Swap

95 L 1.8 to 95 2.2 swap in progress!

Lets start with everything is going great. 1.8 Broken down to block. 2.2 has intake manifold all wired up, only one wire that didn't hook up (gray right under throttle body on 2.2 block). It connected to the engine wire harness on the 2.2 manifold. Speaking of Intake compareing. The diffrence is large. But not anything to halt this swap ;=] mainly, the main body before the runners split is larger.

The runners on the 1.8 are smother on the inside. The only diffrence I should see is in throttle responce. The upper end should be better on the 1.8 manifold do to it's better flow design. In reality the 2.2's intake manifold has more air in the body so when you stomp it the engine can gobble the air up with out having to injest through the air intake/throttle body. So, more air + fuel = better combution right? Man, I think everyone gets it. Tired, Have pic's! postem tomarrow ( "cleaned" pc desk off can't find usb for the camera ;=(), late, more info tomarrow, going great though Oh, yeah. Need info on the injectors any help will do. I'm going to swap them if no one has anything to say. more fuel lbs on 2.2? flow rate on 1.8 & 2.2??

Okay must sleep, I know I'm going to be dreaming about all this techno engine stuff all night! just look at my rambles already.

Lots more comming tomarrow,

~Wildfire
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Old 04-30-2005, 05:07 AM   #2
squirrelmasta
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Member#: 33445
Join Date: Feb 2003
Location: Seattle, WA
Vehicle:
2005 Chevy Silverado
Cherry Red

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so, whats you question?
-Eli
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Old 04-30-2005, 12:50 PM   #3
Matt Monson
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Join Date: Jan 2000
Chapter/Region: RMIC
Location: Teh Ghetto Garage, CO
Vehicle:
99 2.5RS, '85 911
'73 914 and 2012 BRZ

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Wildfire,
Actually the 1.8l manifold flows substantially less than the 2.2l I see guys talk all the time about the runner shape, etc., but that just doesn't make up for the fact that the inner diameter of the runners themselve are substantially smaller. The 2.2 manifold will flow more air. Measure the mating point where the manifold meets the heads. IIRC, it is at least 1/8"...
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Old 05-01-2005, 04:25 AM   #4
99subi
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Join Date: Dec 2004
Chapter/Region: Tri-State
Location: Westchester NY
Vehicle:
2002 Corvette coupe
05 Legacy

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my bro did the same excat swap of parts good choice nice power upage
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Old 05-01-2005, 04:25 AM   #5
99subi
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05 Legacy

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whoops
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Old 05-02-2005, 09:57 PM   #6
josepepe
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Member#: 86342
Join Date: May 2005
Subaru Stars

what up people i just got my ej22 today and already have it in the car. (93 impreza wagon) how ever the exaust pipes were nat the same i had to cut them in order to fit them on the new motor. i will problably have it running tomarrow if i dont run into any other problem.

i will have u guys updated
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