nl320what Posted September 25, 2017 Report Share Posted September 25, 2017 I found some previous pictures of an L20B build I had done. '77 L20B Block - W58 Peanut Head (De-Insert, Hogged Out) - Flat top 50MM pistons - Polished con rods - 260H Comp Cams Cam (11 years ago was avail) - Cannon Intake - 38/DGAS Weber - Matchbox Dizzy/Accel Super Coil Ran good, slight lopey idle, 3000rpm+ motor, loved 91 octane gas. Mainly I did this to show W58 head was able to be ran and worked well. Quote Link to comment
banzai510(hainz) Posted September 25, 2017 Report Share Posted September 25, 2017 I think On PartsGeek they still sell those cams for the L motor Quote Link to comment
nl320what Posted September 25, 2017 Author Report Share Posted September 25, 2017 I think On PartsGeek they still sell those cams for the L motor I think your right, but it doesnt look too convincing to me. I ordered it through Comp Cams originally and there were 4 stages, I did the stage before I needed racing seats/springs. But right now Comp Cams do have cams for Naps-Z motors. I went through alot of work to pull the exhaust liners out and to smooth the casting bumps it left inside. I matched to the gaskets also. Quote Link to comment
datzenmike Posted September 26, 2017 Report Share Posted September 26, 2017 People should check their Z series cams. There isn't a lot of lift/overlap you can do as the valves will hit. Cams may be same or just barely warmed over above stock. BTW the Z series stock cam is the same spec as the L20B 0.413 lift and 248 duration* *This duration measurement is likely NOT at 0.050" valve lift. Quote Link to comment
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