OP
fordcomanche
Member
- Joined
- Jun 6, 2009
- Messages
- 45
Just wanted to post a quick update, progress has been slow with the holidays.
Parts are trickling in, some took 2-3 weeks to arrive. I now have new rings, new lifters, and other parts but havent taken anything to machine shop yet, partly due to their holiday schedule.
I'm planning to order new valve springs as these did have some rust pitting. I was trying to buy a name brand like Mellling, Clevite, or Perfect Circle (instead of the other off-brands.)
NAPA had the Melling locally, but when I double checked the size specs vs the original Ford spring EAA6513A, it showed completely different spring dimensions and PSI spring pressure.
My ford book showed closed pressure 54-62lbs and Open pressure 124-140 lbs.
I had a pdf copy of Clevite's catalog and its the only one that matched ford specs. The Clevite 212-1039 spring specs matched ford exactly.
But Melling and others that are supposed to be same, showed closed 75lbs and Open 164lbs as well as some dimensional differences.
Has anyone run into this? Was there an "upgrade" over the years or perhaps the cross ref numbers arent crossing over properly?
Thanks
Parts are trickling in, some took 2-3 weeks to arrive. I now have new rings, new lifters, and other parts but havent taken anything to machine shop yet, partly due to their holiday schedule.
I'm planning to order new valve springs as these did have some rust pitting. I was trying to buy a name brand like Mellling, Clevite, or Perfect Circle (instead of the other off-brands.)
NAPA had the Melling locally, but when I double checked the size specs vs the original Ford spring EAA6513A, it showed completely different spring dimensions and PSI spring pressure.
My ford book showed closed pressure 54-62lbs and Open pressure 124-140 lbs.
I had a pdf copy of Clevite's catalog and its the only one that matched ford specs. The Clevite 212-1039 spring specs matched ford exactly.
But Melling and others that are supposed to be same, showed closed 75lbs and Open 164lbs as well as some dimensional differences.
Has anyone run into this? Was there an "upgrade" over the years or perhaps the cross ref numbers arent crossing over properly?
Thanks