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Thread: Fuel Pump Really Close To Header?????

  1. #1
    Junior Member
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    Fuel Pump Really Close To Header?????

    Running A mechanical fuel pump on a very mild 302,(250-300 HP) I have only about 1/4 in clearance to the headers I'm worried about heat Transfer, Its just a Holly style pump I got off of eBay Pump works really good but Seems a bit big in diameter. Any thoughts or recommendations ? I want to stay mechanical. Keep it as simple as possible.

  2. #2

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    I agree. You need to install some kind of heat shield. Or a smaller fuel pump. Don't be afraid to dimple the header to gain another 1/4" of clearance
    .boB "Iron Man"
    NASA Rocky Mountain, TTU #42, HPDE Instructor
    BDR 1642: Coyote, 6 Speed Auto, Edelbrock Supercharger
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  3. #3
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    I'm confused. I have a SBF engine with mechanical pump and screw-on oil filter just behind it. My DS front header clears the filter by a good four inches and the fuel pump by at least six inches. You must have custom headers that are very different from my standard ones.

  4. #4
    Senior Member 2FAST4U's Avatar
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    Can you post a pic?

  5. #5
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    I'll get a pict in the am.

  6. #6

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    Sounds like Vladik has the stock headers not the 4 in to 4's so with the J-pipe it gets real close which is why they include the filter relocate. When we build with stock headers I use an Elec fuel pump.

  7. #7
    Senior Member ram_g's Avatar
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    I have a 302 with stock (reversed) headers and J-pipes, and yes the fuel pump is very close to the header on the driver side. Also the oil filter (I have a 90 deg. adapter, not the remote setup) and the oil pressure sensor are also real close.

    To make it work I conceived and fabb'd up a heat shield from aluminum - see pictures below. I played with a piece of cardboard to get the 3D shape before cutting it out of aluminum. The shield is double reinforced at the top, insulated front and back with aluminum-backed fiberglas insulation, screwed on to the front of the DS heads using a couple of aluminum standoffs, and kept from flopping around with a brace at the bottom screwed in to the 4" tube.

    All in all it works very well and in 2 years of driving my car in the Houston heat I have had zero problems from this issue.

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    FFR Mk3.1 #6720. Carb'd 302. Fun.

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