specialist

iTrader: (1)

I am look to change my valve train don't know what i need?

Dual or single?

I am just doing stock size. What would be my best option? I also doing valve but stock size. I want to keep the machine work a cheap as possiable. So no valve jobs or PNP.

Z04

iTrader: (15)

if you don't know, then you should not be doing it in the first place

specialist

iTrader: (1)

i know i need retainer valves springs to complete my change over. Why do you have to try and rip me up i am just asking a question. Well i have to rebuild my engine i have 150,000km on my car. well jim wolf only sells single and Brian Crower BC come single. I just saw a posting with duel and wanted to know the main gains and is it work it for me b/c i am just donig stock sizes. Be i don't want to put this twin turbo kit on it and them blow up

undrgnd

iTrader: (2)

Someone translate. Are you talking about dual valve springs? What's your question on retainers? What does all this have to do with a twin turbo kit? A twin turbo does NOT give your engine higher revving capability, nor does it keep making power as you increase RPMs. Did you add cams and/or change anything else that will allow your engine to rev higher and make power there?