Thread: Fuel line size for 250
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Old 01-08-2024, 03:25 PM   #5
72SB
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Join Date: Apr 2022
Location: Moorpark, CA
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Re: Fuel line size for 250
GM used 5/16" on 6 cyl and 2 brl v8 models. 4 brl v8 got 3/8"

3/8" fuel pumps flow more gas than 5/16 ones
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