Hi guys just a general question To do with the valley cover CNC machining have made a valley cover for ls1 but it doesn't have the holes for the sensor wiring Are those sensors important to the engine as all I got from them was "no" So need more advice from people who know what they are talking about!! Thanks Some original photos have not been recovered yet.

Those are your knock sensors. Would be a very bad idea to get rid of them.

That's what I thought but according to him u don't need them But I guess u say anything u need to To sell an item

You could rewire the knock sensors and run them elsewhere on the block - LS3/LS7/LSX run them 1 on either side of the block instead of in the valley. Depending on room available, with a bit of wiring - you can have your valley cover and keep your knock sensors too.

Any photos of that Insano? I don't think the early model blocks will have any provisions for it, or are you talking drill tap install kind of deal.

I'll see what I can find. When my mate got his LSX454 and went to wire up a LS1 loom onto it - the knock sensors were no where to be seen in the valley plate. Found out the LS3/LS7/LSX run them on the side of the motors. Picked up some LS1 knock sensors and screwed them into holes they fit. Some original photos have not been recovered yet.

I'll stick my head down the side of the block but I don't think I have those provisions in my LS6 Iron Block Some original photos have not been recovered yet.