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Thread: Dominator Pump & Fuel Filter #10 to #12

  1. #1

    Default Dominator Pump & Fuel Filter #10 to #12

    I have the 12-1400/1800 Dominator pump (#10 in/out) and have the Holley filters (#12 in/out). I wanted to screw the pre-filter into the pump.
    Do they make an adapter? I have one that goes 12 to 10, but one end is for a hose end. It extends into the pump further than it prob should.
    I could trim the end, add an o-ring, but if there's an adapter (double o-ring), that would would be nice.

  2. #2
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    Quote Originally Posted by jimbo72 View Post
    ...but if there's an adapter (double o-ring), that would would be nice.
    I checked the Earl's plumbing catalog and there's no reducing o-ring union fittings.
    You can use a -10AN coupling (AT915110ERL), -10AN o-ring port adapter (AT985010ERL), & -12/-10AN o-ring port adapter (AT985011ERL).

    Earl's Plumbing sells these four swivel type o-ring port union fittings:
    https://www.holley.com/products/Plum...ts/AT985212ERL (-12 O-Ring Port Union)
    https://www.holley.com/products/Plum...ts/AT985210ERL (-10 O-Ring Port Union)
    https://www.holley.com/products/Plum...ts/AT985208ERL (-8 O-Ring Port Union)
    https://www.holley.com/products/Plum...ts/AT985206ERL (-6 O-Ring Port Union)

    And Holley sells these three non-swivel type o-ring port union fittings:
    https://www.holley.com/products/plum...s/parts/26-169 (-12 O-Ring Port Union)
    https://www.holley.com/products/plum...s/parts/26-167 (-10 O-Ring Port Union)
    https://www.holley.com/products/plum...s/parts/26-165 (-8 O-Ring Port Union)

    UPDATE: Earl's & Holley now sells o-ring port reducer/adapter fittings, but they're still not swivel type (LINK):
    https://www.holley.com/products/plum...s/parts/26-166 (Holley -10/-8 O-Ring Port Reducer Union)
    https://www.holley.com/products/plum...ts/AT985109ERL (Earl's -10/-8 O-Ring Port Reducer Union)
    https://www.holley.com/products/plum...s/parts/26-168 (Holley -12/-10 O-Ring Port Reducer Union)
    https://www.holley.com/products/plum...ts/AT985111ERL (Earl's -12/-10 O-Ring Port Reducer Union)
    https://www.holley.com/products/fuel...ts/AT985115ERL (Earl's -16/-12 O-Ring Port Reducer Union, Aluminum Anodized)
    https://www.holley.com/products/fuel...arts/965115ERL (Earl's -16/-12 O-Ring Port Reducer Union, Steel/Nickel Plated)
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: Dominator MPFI & DIS, A/C, Spal dual 12" fans/3-core Frostbite aluminum radiator, Pypes dual 2.5" exhaust/X-pipe/shorty headers, 100HP progressive dry direct-port NOS, 160A 3G alternator, Optima Red battery, LenTech Strip Terminator wide-ratio AOD/2800 RPM converter, FRPP 3.31 gears, Cobra Trac-Lok differential, Moser 31 spline axles, '04 Cobra 4-disc brakes, '93 Cobra booster & M/C, 5-lug Bullitt wheels & 245/45R17 tires.

  3. #3
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    They exist. Maybe not through Earl's, but they exist.
    I think my fittings were Jegs brand, if I remember correctly.

    -Scott
    Don't forget to check out progress on my Race Car:
    Project Blasphemy - 8.07 @ 171
    Low 8 Second Street Car

  4. #4
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    I found them:
    Aeromotive 15682 (LINK) -12/-10 O-Ring Port Reducer Union
    Aeromotive 15638 (LINK) -10/-8 O-Ring Port Reducer Union
    http://documents.holley.com/techlibr...read_sizes.pdf (AN Thread Size Reference Guide)

    UPDATE: Earl's & Holley now sells o-ring port reducer/adapter fittings, but they're still not swivel type (LINK):
    https://www.holley.com/products/plum...s/parts/26-166 (Holley -10/-8 O-Ring Port Reducer Union)
    https://www.holley.com/products/plum...ts/AT985109ERL (Earl's -10/-8 O-Ring Port Reducer Union)
    https://www.holley.com/products/plum...s/parts/26-168 (Holley -12/-10 O-Ring Port Reducer Union)
    https://www.holley.com/products/plum...ts/AT985111ERL (Earl's -12/-10 O-Ring Port Reducer Union)
    https://www.holley.com/products/fuel...ts/AT985115ERL (Earl's -16/-12 O-Ring Port Reducer Union, Aluminum Anodized)
    https://www.holley.com/products/fuel...arts/965115ERL (Earl's -16/-12 O-Ring Port Reducer Union, Steel/Nickel Plated)

    Earl's Plumbing sells these four swivel type o-ring port union fittings:
    https://www.holley.com/products/Plum...ts/AT985212ERL (-12 O-Ring Port Union)
    https://www.holley.com/products/Plum...ts/AT985210ERL (-10 O-Ring Port Union)
    https://www.holley.com/products/Plum...ts/AT985208ERL (-8 O-Ring Port Union)
    https://www.holley.com/products/Plum...ts/AT985206ERL (-6 O-Ring Port Union)

    Earl's had what I needed, because the Holley 12-800 fuel pump & 162-554 post-filter o-ring ports are the same.
    I replaced the OEM in-tank sock pre-filter with a new one, that's why there's no pre-filter installed/shown below.

    Name:  FuelPumpModule_zps29edf37f.jpg
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    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: Dominator MPFI & DIS, A/C, Spal dual 12" fans/3-core Frostbite aluminum radiator, Pypes dual 2.5" exhaust/X-pipe/shorty headers, 100HP progressive dry direct-port NOS, 160A 3G alternator, Optima Red battery, LenTech Strip Terminator wide-ratio AOD/2800 RPM converter, FRPP 3.31 gears, Cobra Trac-Lok differential, Moser 31 spline axles, '04 Cobra 4-disc brakes, '93 Cobra booster & M/C, 5-lug Bullitt wheels & 245/45R17 tires.

  5. #5

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    That's what I was looking for, thanks!

  6. #6
    Join Date
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    Location
    Connecticut
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    Quote Originally Posted by jimbo72 View Post
    That's what I was looking for, thanks!
    Yeah, Aeromotive is currently the only company that makes that o-ring port reducer/adapter fitting that swivels.
    Earl's needs to offer this swivel type, since Holley sells compatible pumps & filters with two different port sizes.

    UPDATE: Earl's & Holley now sells o-ring port reducer/adapter fittings, but they're still not swivel type (LINK):
    https://www.holley.com/products/plum...s/parts/26-166 (Holley -10/-8 O-Ring Port Reducer Union)
    https://www.holley.com/products/plum...ts/AT985109ERL (Earl's -10/-8 O-Ring Port Reducer Union)
    https://www.holley.com/products/plum...s/parts/26-168 (Holley -12/-10 O-Ring Port Reducer Union)
    https://www.holley.com/products/plum...ts/AT985111ERL (Earl's -12/-10 O-Ring Port Reducer Union)
    https://www.holley.com/products/fuel...ts/AT985115ERL (Earl's -16/-12 O-Ring Port Reducer Union, Aluminum Anodized)
    https://www.holley.com/products/fuel...arts/965115ERL (Earl's -16/-12 O-Ring Port Reducer Union, Steel/Nickel Plated)

    S2H, you probably already know this, but Holley now sells the fuel filter mounting brackets (LINK).
    https://www.holley.com/document/flyer_holley_np.pdf (New Product Flyer)
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: Dominator MPFI & DIS, A/C, Spal dual 12" fans/3-core Frostbite aluminum radiator, Pypes dual 2.5" exhaust/X-pipe/shorty headers, 100HP progressive dry direct-port NOS, 160A 3G alternator, Optima Red battery, LenTech Strip Terminator wide-ratio AOD/2800 RPM converter, FRPP 3.31 gears, Cobra Trac-Lok differential, Moser 31 spline axles, '04 Cobra 4-disc brakes, '93 Cobra booster & M/C, 5-lug Bullitt wheels & 245/45R17 tires.

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