Posted by Chris Case [172.70.211.50] on Saturday, July 16, 2022 at 14:19:43 :
In Reply to: Re: Welding 2 heads together posted by Kaegi [162.158.107.46] on Saturday, July 16, 2022 at 11:22:24 :
Weld 3 pieces at the non-siamesed position. Wider there. I've never had luck at welding cast. Better luck at brazing, and nothing this complex. At least TIG'ed aluminum doesn't have the expansion/shrink probs of brittle cast iron.
One thing with Courier OHV/Hemi heads, all the small parts are there.Even if you cast a new head as one piece, you could reverse engineer it to take the Courier parts- valves, seats, guides,rockers... Even if you didn't want the heads, two used complete heads is lots cheaper for all those parts than custom made rockers, push rods,shafts etc.
Custom cams are continually being made. And no dist drive gear needed on OHC.
Could you design a head for casting- 1 head pattern, 1 water jacket core, could a hemi use the same one piece core for intake-combustion chamber-exhaust, six of the same?
Vs OHV needs Head pattern, water jacket core, cores for right handed intakes, left hand intakes, left exhaust,right exhaust ? Or maybe 3 of one combination, three of the other? I need to look at your drawings again. No siamesed ports allowed- are you forgetting the point?
Did you catch the Utube mention of making solid copper head gaskets? Re-useable, cut them out using a wooden template and a router. I wonder how thick you could go to lower compression if needed? 1/8? 1/4"?
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