Stock fuel line size on 2003? - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 3 (permalink) Old 01-29-2008, 11:39 PM Thread Starter
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Stock fuel line size on 2003?

What size fuel line is on a 2003 Chevy 2500HD duramax? Also what kind of material of fitting do you recommend to hook up a lift pump? Would stainless be the way to go? I am hooking up an edelbrock 1792.

03 Chevy Silverado 2500 HD, K/N intake, PPE boost fooler, Edge hot juice w/monitor, 4" MBRP turbo back exhaust, Line X bed lining, B/W turnover hitch, Merchant Automotive xfer case pump upgrade
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post #2 of 3 (permalink) Old 01-30-2008, 11:33 AM
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hmm....I think its 1/2" line. I'm pretty sure you could just use standard brass fittings.
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post #3 of 3 (permalink) Old 01-30-2008, 04:56 PM
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I was thinking it's smaller than 1/2", it's been so long since I hooked mine up I dont remember off hand. Brass, aluminum, stainless is all ok. The ones on my Chevy are Brass and the ones on my Ford are Aluminum, not a single problem from any.

Dont quote me on the smaller than 1/2" part since I dont remember for sure, just what I was thinking. I know the return line is smaller than 1/2" for sure.
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