Soo, is there any cheap solution for stiffer valvetrain? Rosten performance seems not to offer anymore valve springs for stock retainers, only a kit for quite expencive 343 euros. I use rosten springs atm in the head that is in my UrS and no problem to rev up to 8100rpm with 7A cams, but I will need another set of springs.
I heard a rumor that 5cyl 2.5l diesel engine uses about 30% stiffer valve springs that our stock springs, anyone tried those? Or does anyone now a source for some another budget solution?
Edit.
FCP offers springs for 240 euros. http://www.fcp-engineering.com/valve...attro-20v.html
I heard a rumor that 5cyl 2.5l diesel engine uses about 30% stiffer valve springs that our stock springs, anyone tried those? Or does anyone now a source for some another budget solution?
Edit.
FCP offers springs for 240 euros. http://www.fcp-engineering.com/valve...attro-20v.html
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