Want smoke switch

[scott3106]

Just kidding but i do have a question about valve springs i am fixing to install arp 2000s and 90hp nozzles i am wanting stock 475 compounds but will be awhile when do you need heavy springs

 

[WUnderwood]

Use punctuation, or go away.

Simple as that.

 

[apocalypse1812]

Get them

 

[TheBigNasty]

[ame="http://www.youtube.com/watch?v=w3ZoHhvQgjU&feature=youtube_gdata_player"]up and atom - YouTube[/ame]

 

[bigstacks95]

I have DDP 90's, and a 351/475, been holding stock springs for over 50k miles, 60+ PSI.