I'm building a very similar set up but it has not been on a dyno yet either. 462, 10.5:1, 325 CFM E heads, 242/248 HR, Johnson short travel lifters, Crower 1.6 rockers, Northwind port matched, Sniper EFI.
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1979 TA 541/T56 Magnum
1964 Catalina 462/TKO600
1965 GTO 389/4speed
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