On this build my .2 would be to talk with Andy at ADM. When I was talking to him a while back about the torque number I was wanting I think he said its do-able in the 427. He also deals a lot with Lingenfelter cams. You might even find a similar build on one of his threads.
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TSP 1 7/8 LT, ADM Race Cold Air w/ Race Scoop, GPI SS3 LS3 Cam, Powerbond UD, 3.91 Gears, GPI Posi Mod.
498RWHP/451RWTQ
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