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Message: [QUOTE="6speedsd, post: 1330215, member: 1242"] Slightly changing the subject... The regulator that came with my RR was just some off the shelf basic efi regulator. I started having issues with it sticking closed and spiking fuel pressure up over 100....I've mentioned this already I think. Anyways, I did a little air testing on it this afternoon, trying to figure out what the deal was with it. I sort of rigged together a way to shoot shop air to it, and with the adjustment screw out completely, it still spikes at over 100psi (roughly what I was putting into it). Nothing at all comes out of the return port. I get the same results with the spring completely taken OUT of the regulator. What the heck would cause one to do this? The air bleeds off out the valve I have at the head of the system where I introduced the air...nothing out the return on the regulator. I'm still scratching my head as to what would cause that. I'll link a video I took at the end. Sent that to the shop that sold me the kit to see what he has to say about it. [url]https://youtu.be/Pvb_H3748kM[/url] Sent from my SAMSUNG-SM-G900A using Tapatalk [/QUOTE]

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