intake mani swap help.
13.8 at 102.26 with a 2.19 60 ft.
And
13.8 at 101.78 with a 2.16 60 ft.
81 degrees 70% relative humidity wired the times were the same but not the traps. I have ls1 manifold. Hogan catless downpipe. And flowmasters on stock exhaust pipes. Car is tuned but not since ls1 manifold.

