What year is the ute? Is it running the EST controlled
distributor, if it is throw it away and put an early electronic in from an XD-XF.
This was by far the best mod for easy HP i did to my ute. Then the 4 barrel manifold and 600 Holley was great, picked up great throttle response and 20kmh in first 3 gears.
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ED XR8 In for a rebuild
347 Dart block:All the Scat goodies, Edelbrock Victor Jnr's, Trickflow manifold and Vortech on the stand/ work in progress