will this pump work off my 1977 h engine work on the newer 1978 h engine? I've found out the pumps are different and needing some advice on what to do. If i run the 78 pump ill have to add wiring to the loom and source an edic motor and brackets etc. or can I swap over pumps to the older one which i have everything for ?
1977 pump
1978 pump
1977 pump
1978 pump