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Thread: Stealth Ram kit pump question.

  1. #1
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    Default Stealth Ram kit pump question.

    What is the NPT thread on the pump that comes in the Stealth Ram Avenger kit?
    I have been looking for what the thread size is so I can get a an 06 fitting for my pump (discharge side) It has barbed ends on both inlet and outlet.

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  3. #3
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    Quote Originally Posted by riche View Post
    Holley EFI 12-920 fuel pump: 10mm x 1.0 internal threads (Walbro GSL392 fuel pump)
    http://www.holley.com/991953ERL.asp (Earl's -6AN blue anodized fittings)
    http://www.holley.com/AT991953ERL.asp (Earl's -6AN Ano-Tuff fittings)

    http://forums.holley.com/showthread....nts-amp-Clamps (Read note toward end of page.)
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: 385" SBF, Dart SHP 8.2 block, TFS TW 11R 205 heads, 11.8:1 comp, TFS R-Series intake, Dominator MPFI & DIS, 36-1 crank trigger/1x cam sync, 160A 3G alternator, Optima Red battery, A/C, 100HP progressive dry direct-port NOS, Spal dual 12" fans/3-core Frostbite aluminum radiator, Pypes dual 2.5" exhaust/off-road X-pipe/shorty headers, S&W subframe connectors, LenTech Strip Terminator wide-ratio AOD/2800 RPM converter, M4602G aluminum driveshaft, 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.

  4. #4
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    You are the man, thanks Danny!

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    Quote Originally Posted by Danny Cabral
    In-tank pumps are great, however, I've never had a single problem with an external in-line pump.
    My external in-line fuel pump has never been mounted below the level of the fuel tank.
    It's more important to mount the fuel pump as close to the tank as possible, keeping the suction line as short as possible.
    Drill the Walbro pump's inlet & outlet fittings a little larger, and use the shortest possible suction hose.
    My fuel pump has been mounted near the top of the fuel tank for over 12 years and never had any problems.
    UPDATE: I now have a custom made fuel pump module mounted on the fuel tank frame crossmember like THIS.
    Got another question for you Danny.
    I have been dreaming of ways to basically run a loop to install this pump at the bottom of my tank.
    It would really be helpful to install the pump near the top. Do you still recommend doing that?
    I have a '69 truck and have put a Blazer gas tank under the bed in the back.
    I was also considering making a crude baffle/cup for the pick-up. Is that worth my time as-well?

  6. #6
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    Quote Originally Posted by riche View Post
    It would really be helpful to install the pump near the top. Do you still recommend doing that?
    I most certainly do. It has never been a problem for me and a few others I know of.

    Some fuel plumbing topics you might find helpful.
    I found some forum posts by Brian Macy (Instructor at EFI University)
    that really parallels everything I've done with my own fuel system:
    http://www.cpgnation.com/forum/threa...06/#post-72225 (pump cavitation)
    http://www.cpgnation.com/forum/threa...77/#post-74345 (suction side)
    http://www.cpgnation.com/forum/threa...44/#post-75311 (pump fittings)
    http://www.cpgnation.com/forum/threa...10/#post-68486 (tank venting)

    Quote Originally Posted by riche
    I was also considering making a crude baffle/cup for the pick-up. Is that worth my time as-well?
    It's usually recommended, but it depends on the shape of your fuel tank.
    Fortunately, my fuel tank is tall & relatively narrow; not short & wide (long), so it's suitable for EFI as is.

    Make sure you properly add a fuel tank return line, either by soldering a barbed fitting/line or drilling & installing a bulkhead fitting.
    I installed my return line by using a brass bulkhead fitting: http://www.460ford.com/forum/showpos...6&postcount=22.
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: 385" SBF, Dart SHP 8.2 block, TFS TW 11R 205 heads, 11.8:1 comp, TFS R-Series intake, Dominator MPFI & DIS, 36-1 crank trigger/1x cam sync, 160A 3G alternator, Optima Red battery, A/C, 100HP progressive dry direct-port NOS, Spal dual 12" fans/3-core Frostbite aluminum radiator, Pypes dual 2.5" exhaust/off-road X-pipe/shorty headers, S&W subframe connectors, LenTech Strip Terminator wide-ratio AOD/2800 RPM converter, M4602G aluminum driveshaft, 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.

  7. #7
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    One more question. Well maybe more. I want to run a relay instead of strait wiring the pump to the harness. If the ECU controls the pump. What about if the motor shuts off? Does it know to shut down the pump?

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    Quote Originally Posted by riche View Post
    If the ECU controls the pump. What about if the motor shuts off? Does it know to shut down the pump?
    Yes, the EFI system relay activates the fuel pump and powers the fuel injectors.
    You'd simply use the green fuel pump wire to trigger your additional fuel pump relay.
    https://www.holley.com/document/tech...10555rev16.pdf (Holley EFI Wiring Manual)
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: 385" SBF, Dart SHP 8.2 block, TFS TW 11R 205 heads, 11.8:1 comp, TFS R-Series intake, Dominator MPFI & DIS, 36-1 crank trigger/1x cam sync, 160A 3G alternator, Optima Red battery, A/C, 100HP progressive dry direct-port NOS, Spal dual 12" fans/3-core Frostbite aluminum radiator, Pypes dual 2.5" exhaust/off-road X-pipe/shorty headers, S&W subframe connectors, LenTech Strip Terminator wide-ratio AOD/2800 RPM converter, M4602G aluminum driveshaft, 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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    Thanks Danny. What about in a key-on/engine-off scenario?

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    Quote Originally Posted by riche View Post
    What about in a key-on/engine-off scenario?
    The fuel pump will cycle for the 5 seconds then turn off, until you start the engine. See "Fuel Pump Prime" in Engine Parameters.
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: 385" SBF, Dart SHP 8.2 block, TFS TW 11R 205 heads, 11.8:1 comp, TFS R-Series intake, Dominator MPFI & DIS, 36-1 crank trigger/1x cam sync, 160A 3G alternator, Optima Red battery, A/C, 100HP progressive dry direct-port NOS, Spal dual 12" fans/3-core Frostbite aluminum radiator, Pypes dual 2.5" exhaust/off-road X-pipe/shorty headers, S&W subframe connectors, LenTech Strip Terminator wide-ratio AOD/2800 RPM converter, M4602G aluminum driveshaft, 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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