• The site migration is complete! Hopefully everything transferred properly from the multiple decades old software we were using before. If you notice any issues please let me know, thanks! Also, I'm still working on things like chatbox, etc so hopefully those will be working in the next week or two.

Have some money for one or two more mods... SI Valves or ti retainers?



well i guess i read the part where matt said that the problems came from people undercutting them and that if i left them as they ship they should be fine. so i guess i saw that and figured since i wasnt going to cut them that they should be fine. i did more reading this afternoon, and read some posts that went more in depth on the issues with them. most of the failures happened with turbo and setups with higher spring. 130#'s for instance.

i figure running 105's and low boost i should be ok. and if not you all can call i told you so.
 
ZZP used to say on their page: "not for seat spring pressure of 115(unsure on number, was higher than 105, lower than 130) or turbo"
 
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