cylinder heads

  1. WhiteMike

    WhiteMike's 90 Hoopty Rcsb Build

    What's better than one OBS? Two, of course! Truck is a 1990 GMC Sierra SLE, single cab, short bed, 5.7L 350 Truck belonged to my girlfriend's late grandfather, who used it to haul things across his yard, drove it back and forth to church, and drove it to the gas station for snacks. That's it...
  2. S

    L29 454 Build Questions

    I have a 1997 GMC K2500 Suburban with an L29 454 4WD. I am currently doing an engine build. I will be running a Competitions Cams camshaft with 0.54" intake and exhaust lift (with 1.8:1 rockers), 206 degrees intake duration at 0.050" lift, 212 degrees exhaust duration at 0.050" lift. I hope to...