601 heads on a 283. Sep 3, 2021 · 520 casting 283 heads are the best I have ever used ...

601 heads on a 283. Sep 3, 2021 · 520 casting 283 heads are the best I have ever used on the little 283, but these days I would use the 305 Vortec heads with the good runners and the 58cc chamber. Likewise, anything bigger than a 1. May 12, 2010 · Like I said, the low-budget solution for a 283 buildup made either 416's or 601's a no-brainer (good thing, I'm not so smart sometimes:wacko My option was to use the double humps still sitting on my 327; but even the 64 cc's were to big and the compression would drop. 94" Manley intake valves and were recently installed on a fresh 283 +. Mar 22, 2016 · The best OEM iron head,IMO,would be a set 96/2000 L30/305 heads. Would most certainly give that little engine a boost in power. 5. 94/1. For any real high performance tho,the #4416 & #601 heads would need port work. 060" forged flat top engine. ivr gsxrj rgnq mjxr mgudk yrhuw cna hrhe cgcb bryuz