StewartG Posted January 14, 2001 Share Posted January 14, 2001 I changed the filter too figureing a small one maybe couldn't flow enough oil at high revs. Oh well the theory's good, in practice no difference. Not being a Zetec owner I can't point to the exact location but the pressure relief spring will be under a largeish hex bolt cap near the oil filter probably. Why not give James Whiting a ring he'll know. Don't give up it's not rocket science and the satisfaction when you do eventually find the problem will be like a night with Pamela Anderson covered in baby oil or whatever takes your fancy. Link to comment Share on other sites More sharing options...
Paul D Jones Posted January 15, 2001 Share Posted January 15, 2001 It's important to have the correct oil filter some have pressure relief valves in the filter talk to Paul Dunnell again he is the man and don't use the 0-40w it's too thin do talk to Paul he does know zetec's paul Link to comment Share on other sites More sharing options...
StewartG Posted January 15, 2001 Share Posted January 15, 2001 Yes some filters have built in relief valves but this effectively bypasses the filter if it gets clogged up I don't think the filter valve would release the oil pressure at high revs. Link to comment Share on other sites More sharing options...
Steve W Posted January 15, 2001 Share Posted January 15, 2001 I know this is not much help but I have a raceline Zetec and have never had any problems with oil pressure running on mobil 1 ? What were the comments about the raceline sump ? I've always believed that this was a great bit of kit and worked well. Am I wrong ? Link to comment Share on other sites More sharing options...
julians Posted January 15, 2001 Author Share Posted January 15, 2001 It appears that the oil pressure relief spring is external on the 1800 zetec , on the 2 litre it is inside the sump. I think Paul dunnells comment about the fault being with the raceline sump was just sour grapes on his behalf as he couldnt offer me an explanation as to what the problem would be. All he said was , you should have bought a sump from me not raceline. He was quite happy to try and sell me a sump claiming it would fix all my problems, but he couldnt/wouldnt tell me why. Anyway, the car is going to John Noble on Saturday, to have this looked at, as well as be properley rolling road set up. Julian Link to comment Share on other sites More sharing options...
Andrew Russell Posted January 15, 2001 Share Posted January 15, 2001 I would be very interested to hear your observations on the service provided at John Nobles, both rolling road, and generally. Always seems to get a good press.... Andrew. Link to comment Share on other sites More sharing options...
Steve W Posted January 15, 2001 Share Posted January 15, 2001 I've just had my Zetec rolling road tuned by Roger King at the Seven workshop. This sounds like a plug for Roger but he did do a great job. He changed just about all the jetting in the carbs and the car in now running so much better. Great job done . Link to comment Share on other sites More sharing options...
Steve W Posted January 15, 2001 Share Posted January 15, 2001 I've just had my Zetec rolling road tuned by Roger King at the Seven workshop. This sounds like a plug for Roger but he did do a great job. He changed just about all the jetting in the carbs and the car in now running so much better. Great job done . Link to comment Share on other sites More sharing options...
Steve W Posted January 15, 2001 Share Posted January 15, 2001 I've just had my Zetec rolling road tuned by Roger King at the Seven workshop. This sounds like a plug for Roger but he did do a great job. He changed just about all the jetting in the carbs and the car in now running so much better. Great job done . Link to comment Share on other sites More sharing options...
Steve W Posted January 15, 2001 Share Posted January 15, 2001 Opps. Well it did say server not available ???????? Edited by - steve w on 15 Jan 2001 13:07:54 Link to comment Share on other sites More sharing options...
millsn Posted April 17, 2001 Share Posted April 17, 2001 Ford RS is 10W 40 and cheap and available everywhere. It's generally for their top spec engines but recommended by Dunnell Nigel Mills - xflow Link to comment Share on other sites More sharing options...
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