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Message: [QUOTE="Black 02, post: 1342934, member: 6916"] I'll be the first to admit that I'm not the smartest with these things. I've learned a ton over the years, but there are a lot of smarter people than me modding these old engines. One pump is plumbed to one bank and one pump is plumbed to the other bank. I have a HPO crossover also to help balance that out, hopefully. That being said, I don't know much more about the pumps than that. I'd pull them and send them to Joey for inspection, but he's apparently on the moon or Mars now. I also don't want to wait one year like Layson mentioned. All I know is that I drove to work today on Swamp's trial tune he gave me with the ICP sensor unplugged, the truck didn't miss/hitch once noticabley. There might have been an extremely subtle surge around that 1750 RPM mark, but it drove very nice. So, something the computer is over-riding when the sensor is unhooked is the culprit. If ICP is the only thing that get's over ridden, does that mean that either my HPOP or my injectors are the problem since I've replaced the IPR, the ICP sensor and all of the corresponding connectors? I should say, the only thing different between the picture above and my setup is that the driver's side bank is plumbed in the head port next to the ICP sensor, not back by the rear of the head as shown above. [/QUOTE]

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