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- - WRX V3 Heads (https://www.scoobynet.com/general-technical-10/648344-wrx-v3-heads.html)

WRX RCY

18 November 2007 11:32 AM

WRX V3 Heads

Hi all,

Could someone tell me if the version 3 WRX heads are hydraulic or solids lifters?

Cheers
Chris

Jolly Green Monster

18 November 2007 12:04 PM

hydraulic I believe..

WRX RCY

18 November 2007 12:11 PM

Can they be adapted to take the STi3 valve, cams, buckets etc?

Sc0oby

18 November 2007 01:10 PM

think they are both phase 1.5 design so it should be a straight swap

Jolly Green Monster

18 November 2007 01:44 PM

head casings are the same yes

merlin24

18 November 2007 03:36 PM

Head castings are the same but you will have trouble changing from Hydraulic tappets to the Sti Inner Shim buckets as the O/D of the buckets are different.

Jolly Green Monster

18 November 2007 04:00 PM

their the same... I have uk hydraulic head casings with sti3 valve train and cams in.. been fine for 30k miles.

biggest problem is reshimming.. which is not bad.

Simon

WRX RCY

18 November 2007 07:48 PM

What identifying marks are there on the casting for me to look out for?

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