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how to identify sti 5 heads & sti 2 heads

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Old 26 June 2010, 03:30 PM
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satpink
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Default how to identify sti 5 heads & sti 2 heads

i have aquired a full engine with a bottom end knock, was told its a sti 5, how do i identify the heads, also been given some other heads, was told they are sti 2 again how do i identify them, many thanks.
Old 26 June 2010, 09:20 PM
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kiranbaloo
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The sti 5 heads will have shims under the bucket(so will look like solid lifters from the top) and the bolts that hold the inlet manifold go diagonally across each inlet port as opposed to all 4 in a straight line.Not sure about sti2 heads..
Old 27 June 2010, 09:09 AM
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Slowboy Racing
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Version 2 will have hydraulic lifters, Some version 2 Ra may have top hat shims iirc.

Last edited by Slowboy Racing; 27 June 2010 at 09:41 AM.
Old 27 June 2010, 01:51 PM
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satpink
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think they are v3/4 sti heads as they have under bucket shims, but inlet bolt holes are in a straight line.

http://i2.photobucket.com/albums/y2/.../Image0016.jpg
http://i2.photobucket.com/albums/y2/.../Image0017.jpg
http://i2.photobucket.com/albums/y2/.../Image0018.jpg
Old 27 June 2010, 07:39 PM
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merlin24
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Yes they are STi 3~4 heads with EH+IH valve codes and the head castings shoulb be marked LH-B,RH-B.

Mick
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