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how to identify sti heads

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Old 13 January 2006, 09:05 PM
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bigkid
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Default how to identify sti heads

Can somebody tell me the visual differences between wrx and sti heads once removed ? Also are the sti and wrx heads interchangable on classic models? This could save me a fortune if anybody can help.
Old 14 January 2006, 01:15 AM
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Jolly Green Monster
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the shims / buckets and the cam profiles / durations..

STi have under bucket shims.. (ignoring STi1 and 2 because you don't want them heads).

Simon
Old 14 January 2006, 01:16 AM
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scooby-tc
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Dont you ever sleep Simon
Old 14 January 2006, 01:25 AM
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Originally Posted by scooby-tc
Dont you ever sleep Simon
I'm winding down with a couple of beers after driving home..
Old 14 January 2006, 02:46 PM
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bigkid
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Would anybody be able to put up a picture of the under bucket shims so i know what to look for?
Old 16 January 2006, 11:44 AM
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An under bucket and shim etc..

http://jollygreenmonster.fotopic.net/p18419816.html

Bucket is top left and the shim and collet go under it.. not on top of the bucket on non-STi heads.

Simon
Old 16 January 2006, 12:09 PM
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p1mark
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In the same vein as Simons pic - camshaft contacts directly on bucket (far right) shim sits directly underneath resting in retainer.

http://img.photobucket.com/albums/v3...k/DSC00300.jpg
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