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Old 05-22-2006, 01:59 AM   #1
snowman4us
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Member#: 21764
Join Date: Jul 2002
Chapter/Region: RMIC
Location: Salty Lake
Vehicle:
Some GDM V8,
JDM Flat 4 X2

Default porting and polishing.

I have a chance to get a Ej20G exh. manifold to mess around with. after looking and number of them, its not hard to tell that there is allot of material that can be taken off.

has anyone done this yeat on there EJ20g series? if so was there anything noticable after? i just dont want to spend days porting and polishing for no benefit.

thanks
kirill
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Old 05-22-2006, 02:02 AM   #2
eddie1982
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there's a fellow thats done plenty of porting and polishing his name on the boards is jdmgrim I'm sure he could be of some help
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Old 05-22-2006, 02:29 AM   #3
hybrid gti 2
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not hard plenty of threads about it
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Old 05-23-2006, 01:57 AM   #4
snowman4us
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to lazy to search. could someone post up a good link to a thread .
so is it actualy worth my troubles?
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Old 05-23-2006, 10:50 AM   #5
99WRXEJ20
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I did my manifold but I dont think it really helps unless you port match your heads along with it.
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Old 05-23-2006, 01:22 PM   #6
Matt Monson
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My Ej20G RS-RA manifold is port matched to the heads from the factory. I guess STi's engineers thought it made enough of a difference to go to the trouble...
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Old 05-23-2006, 02:16 PM   #7
snowman4us
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JDM Flat 4 X2

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thats roughf. i dont want to take my engine out to match the manifold to the heads...i was just going to do the manifold. i guess ill just hold off on doing this till i need to take my heads off, then ill do it.

thanks for you imput.

matt you going to be at the cobb track day? or at the meet? i want to see your car
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