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I just looked at the SAE30 spec and there is no permeation spec for the 30R2 hose, therefore I doubt that it's good for bio.
30R9 has a very low permeation spec which means it's good for the new aromatic gasolines and bio fuel whereas 30R7 has a much higher number.
Al
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'06 F-350 SRW 6.0 PSD
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