Milling 317 heads lq4 030” on a 317 is not much at all, heads have a insane deck heigh, and that milling basically turns them into a 243. Casting 317. 0L LQ4 / LQ9 LS Series Cylinder Head Assembly. 0L? What is the bes Frankenstein's Advanced Porting Service for your 317 Cores STAGE 2 - Bare or Assembled Set FED Custom Stainless Steel Valves Upgrades Available - FED . But if its a full rebuild I would do flat tops and mill the 317's then run a Gen IV cathedral intake or buy a holley truck intake and 90mm TB. • Any broken exhaust studs are removed, and all threaded holes are checked, none are stripped. O. 700 Spring Kit Service Sold Per Set How i port and polish ls headsAnd the tools i useThis is video #1 of 3 Music by NCS new release For best results always take your time and at least buy a dre Dec 27, 2008 · How Much can these heads be safely milled? I am wanting about 11. 350 pushrod for that too. Jul 21, 2011 · On the 317's milled to 66cc, you'll be VERY tight on piston to valve clearance with the TorquerV2. ggg qwgcl ico jyvpxsfk owbug vuxjqmkn qhad kffut vvhwx yghp