Performance and Accessories 2nd gen only Talk about Dodge/Cummins aftermarket products for second generation trucks here. Can include high-performance mods, or general accessories.

diesel fuel and aluminum fittings?

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Old 10-16-2006, 10:16 AM
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diesel fuel and aluminum fittings?

i've heard diesel and aluminum dont mix well and it can make aluminum brittle. is this true. i already had one very brittle alum. fitting break going into my VP44 and i dont wanna put another anodized alum fitting on it and have it break dont and fall apart in a few years.
Old 10-16-2006, 10:24 AM
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Use Stainless Steel.
Old 10-16-2006, 11:25 AM
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IP case\housing, filter cannister, etc, is aluminum - aluminum doesn't survive bending\pushing\pulling\flexing\vibration\etc stresses, so not too good for fitting\piping where those might be encountered.
Old 10-16-2006, 12:13 PM
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I've been running AN fittings on my truck for 3 years now with no issues whatsoever.
Old 10-16-2006, 12:33 PM
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went ahead and got the -8AN to 12mmx1.5 adapter in anodized alum because nobody but Earl's makes one. trucks seems to run ok with the little 3/8" line and banjo bolt temporary fix...but i want my high flow BIG stuff back on there.
Old 10-16-2006, 03:21 PM
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I've always firgured diesel an aluminium are ok together. I've been told before that copper and diesel don't mix well. Think about it for a second, your diesel fuel is hauled in tankers that are made from aluminium. You should be ok with aluminium fittings.
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