58cc
5,700 cc
I have the same heads and from the info I found they 76cc heads with 1.72 intake valves
54cc
58
305 heads work on a 350 engine
Change cylinder heads to a bigger negative cc (ie. -22,-38), or work the high port on your heads to a larger cc (ie. 58cc to a 70cc.)
1.72I/1.3E or 1.84I/1.5E. 1.72s usually came on the 267ci but could have come on some low hp 305s as well. There were no 1.3 exhaust valves in these heads. Only came with 1.5.
The LE9 5 L (305 cu in) was a truck/van version that also had a 9.5:1 compression ratio, the LG4 cam and 14022601 casting heads featuring 1.84/1.50" valves and 58 cc chambers. The engine made 165 hp (123 kW) @ 4,000 and 250 lb·ft (339 N·m) @ 2,000 rpm.Check your build plate for the proper engine #LE9 or something different.
283 cubic inches, which works out to to 4.6 litres or so.
which part? every type of nut or bolt is different
58.cc low torque swirl chamber head