adjustable fuel pressure regulator

vocky

I can see both pics today :lol:

I would blank off the upper/middle fuel pipe and use the one at the end of the fuel rail, can't remember which is return and supply

rik1083

got this today, thanks to misterY on here!

the ajustable FPR I got from ebay (cheapo £22), has two inlets, but one is taken by a pressure guage. Now I have 2 options, run a tee on the remaining inlet to the fpr and use this fuel rail, or use my existing rail and put this blanking (or "damper") plug in the end instead of the standard fpr, and run the ajustable fpr on the outlet of my standard rail. Which do you think is best? to have a stream through the rail, or just have it "refill" the rail when some fuel leaves by injection

vocky

I have it done the 'refill' method, but either way should be fine

karl_hodder

could anyone tell me if the vacuum pipe for the fpr is to close return to pressurise system? should this be connected on the n/a engine? what pressure should i be looking at setting to? so if i'm getting it right on tick over vacuum opens and returns fuel but the higher the revs the more it closes to allow pressure to build? does the vacuum gain or lose pressure when its revved is this right or can someone correct me.

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