I think I will be building myself a new motor this summer. I'm wondering which do you think I should plan, 355 or 383? 350 will of course be cheaper cause it I could reuse the crank. BUt 383 has the torque thing going for it. I think the motor I have now is alright(355) but more power is always nice. Want a real balance job this time so I can rev up to say 5000 and stay there with confidence. Either way I think the build will be, Comp X4258HR(206/210 @ .050, XE 4x4 cam, Roller), about 10:1 compression, Ported Vortec heads, Edelbrock RPM intake, some real new headers. And quality parts throughout. Factory rods and crank(unless 383) and ARP studs holding everything together. Double roller timing setup, windage tray, and crank scraper. Polish the block and clean up all drain back holes. I got a motor from a buddy of mine so thats the reason I won't go to a 377 or a 400. It is out of a like 88 Caprice 9c1, so its a roller block motor thats the reason I want it.