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I got a Pollak fuel valve to switch tanks in my truck, but I have no instructions to what hoses go where. I can narrow it down by the hose sizes but I still need some help. Anyone have a diagram for these?
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I believe this might be some help to you


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The side with the 4 ports, which hoses go to them?
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heres a larger one hope this one helps if not give me a hollar and i can take some pics of exactly wha tyou want

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I'm counting 7 ports on that one, I believe. The one I have is 6 ports and has the single electrical point on it.
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I have one of these on my truck. I will try to take a picture of it tonight when I am underneath it doing some work.
- Mr Diesel
'76 C30 Crew 6.2
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I have a picture, but I will have to email it to you. Give me your email and I will send it to you.
The fuel valve should have 3 larger ports and 3 smaller ports. The larger ports are for fuel going to the engine, smaller ports for fuel returning. - Mr Diesel
'76 C30 Crew 6.2
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sorry, email is- bergerwt@yahoo.com
I thought I had it all figured out but still not working.