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STI or WRX head, how do you tell?

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Old

30 March 2006 | 07:51 PM

#1

NAD226

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STI or WRX head, how do you tell?

I have an engine that I am looking to rebuild, I think it came out of a legacy GTB. What heads should it have on it and how do i tell the difference.

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Old

30 March 2006 | 08:11 PM

#2

harvey

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From: Darlington

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I don't know what year of engine you are looking at but on the STi the shims are under a bucket whereas on the WRX the shiims are on top.

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Old

30 March 2006 | 08:29 PM

#3

NAD226

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The shims are on top of the buckets so I guess they are WRX heads. I think it is a 2000 engine. What advantage do you get by having the shims under the buckets??

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Old

31 March 2006 | 12:20 AM

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Jolly Green Monster

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From: ECU Mapping - www.JollyGreenMonster.co.uk

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higher rev limit.. also the sti heads have high lift and longer duration cams.

Simon

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