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Lone Watie

Clean side of the filter question

7 posts in this topic

Is the banjo bolt on the clean side of the filter (left side in the picture) holding the line to the VP44 the same size as the tapped banjo bolts geno's garage sells? I want to replace it with a tapped banjo bolt so that I have an access point to test my fuel pressure once my permanent gauge is installed. In other words, I'll be using the capped port on the clean side of the filter for my permanent gauge going into the cab, but want to be able to hook up my test gauge to test the accuracy of the Isspro I'm installing (mech) using the line out going to the VP with a tapped banjo bolt, but don't want to take that bolt out if it's not the same size. Thanks. Lastly, is this a good idea to do if the bolt sizes are the same, or is it best to leave that line alone?

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if you get a big line kit from vulcan(the one from filter cann to injection pump) it comes with a tapped 90* for gauges. i think they offer 3/8" or 1/2"...kills 2 birds with 1 order.(no i don't get any $)

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I thought there were 2 test ports on the same fuel inlet line. One there and one on the VP.. If that is the case I would just use the other test port.. No sense in having 2 on the same line.

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While waiting for a big line kit, I just want to know if the bolt holding the out line to the VP is the same size as the tapped banjo bolt, i.e. already have the tapped banjo, plus 2 crush washers. As for the reply about test ports. The 99's test ports are on the filter housing canister, one on the dirty side, one on the clean. If there's another one on the VP I haven't found it yet, but there probably is, just need to look harder. thanks for the replies.

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Yes. They are all 12mm. According to Vulcan, the 12mm tapped banjo bolt "Fits all 5.9 fuel filter canisters and all VP44 and CP3 injection pumps"

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Yes. They are all 12mm. According to Vulcan, the 12mm tapped banjo bolt "Fits all 5.9 fuel filter canisters and all VP44 and CP3 injection pumps"

Thank you much.

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