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& isnt entirely nesecarry to have at the moment... obv to replace while the engine is out is the best option.. and if the engine has to be out, then ill do it , and have to sacrifice geting my samco hoses or something else... but if its not that hard of a job to do with the engine in, id rather do it later...
***RIP Car13 ****** Now in an Evo ***- sump off and cambelt off...(or whatever else the pump will fit) The stock pump is well capable. I have the relief valve shimmed to give slightly higher pressure at warm idle as im not keen on the stock output.. i had a look for that circlip, but i couldnt find the one you mean.. the only one on the oil relief valve is the one inside the bolt -with the 20mm or so head on it... you are talking about the oil cooler relief valve arent you?. .. but the actual pump internals,the star bit and the circle part that rotates,that the star fits into.. is there any perticular way this circle piece is fitted -ie does it have a front and back to it? i see there is what looks like an arrow engraved on it, but cannot see what relevance it has?? I looked for one a while back so make sure its a rev 3 if you order one. The prv that people are talking of shimming is the one on the sump on a rev 3 as you suspect (22mm) but i dont think its worth it personally. More flow may be an advantage but not more pressure. If you want more pressure use a 60weight oil (although oilman prob wouldnt recommend it)& 2 uprated pumps but not for 3 onwards. I actually spoke chris about this and he said the rev 3 pumps were good std - the only thing he recommended was to shim it - like Graeme explained.- 9.722 @ 148 MPH ----- 07947883103 ---- www.centurymotorsport.com??? errr now im totally confused!! lol..
:15690.. is this the one? if so, how do you shim that!?! 
