Hq v8 engine wiring - Aussie V8 | Holden Dec 21, 2017Hi just wondering If anyone has a engine wiring diagram for a 74 hq? someone has cut wires in my engine bay previously and Holden V8's; Hq v8 engine wiring; Page 1 of 2 1 2 Last. Jump to page: Results 1 to 15 of 16 with those unported YT heads you'll get 350hp tops. go the VN's. 308 freshen up. Today, 11:34 AM. You're a solid cam away Holden 304 5L v8 Hall Effect Sensor - YouTube Jun 14, 2012I had no idea my car didn't have a crank angle sensor until I was told it has a hall effect sensor instead that basically acts like a set of points and I believe has something to do with with the VS V8 EFI info | OldHolden Hi all, I need some info regarding EFI wiring etc for VS V8 commodores. My quadrajet carbied 308 (with VN-VS heads) in my HZ ute is getting a VS V8 EFI setup. Only thing is I Wiring instruction for a injected 5 litre conversion Apr 08, 2009Since everyone keeps asking, i have made up a list for the wiring from the vn - vs injected 5 litre loom you are doing a conversion in your vl or commordore i have done a injected 5litre conversion on my calais (originally carby v8) and done all the wiring myself. I`m am running a trimatic. But wiring is same if you run the turbo transmission.