Our experience was the switch to Tigers from Edelbrock heads was an immediate 80+ HP on the dyno. Once tuned as good as we could get it, 102 HP better. Same camshaft, same intake except for spacers the Tiger heads required. Early Edelbrock castings hand ported by me vs very early Tiger heads also hand ported by me. Peak flow was about 40 CFM greater on the Tigers. Nothing against the Edelbrocks, they served us well. The Tigers have more real estate to work with, taller port, less water jacket and pushrod holes in the way. Your experience may vary. Smart people are running very fast with all the available heads. It mostly depends on how much work your willing to put into them.
Last edited by mgarblik; 12-07-2019 at 03:25 PM.
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