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With the side pipes on she went to 374 rwhp and flattened out at 5300 rpms. We pulled the side pipes and she jumped to 451 rwhp @ 5400 before we shut here down. Horse power was really on the incline at 5400 when we pulled the plug on it. We weren't monitoring fuel pressure or A/F on that pull so we decided to be safe. I've no confidence in my fuel system as I'm still running the original Holley 110 gph electric pump w/ 3/8" fuel lines. My plan is to upgrade to the Holley "black" 140 gph pump and 8AN (1/2") fuel system. That should cure any potential lack of fuel woes. My cam should make peak HP around 6200, on the conservative side. There's probably some significant horse power left on the table. I think I'm going to do the fuel thing and the new inserts before I pay another visit to the dyno shop.

Dave