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Restore '69 tank, what connections for in-tank pump?

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  • Restore '69 tank, what connections for in-tank pump?

    1969 Buick Riviera. I'm having the tank restored. Engine is 625-650 HP range. Will likely have a Terminator X Max 550 series. Running a supply & return line. I'm looking for input on what connections to complete the in-tank electric fuel pump with. Will be starting with a blank slate, so anything is available. What "flange", fittings/sizes, baffles. Appreciate comments.

  • #2
    Contact Chris Myer at He's a Holley EFI parts professional, Holley EFI Dealer & fuel pump/fuel system specialist.​
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: 385"/6.3L SBF, Dart SHP 8.2 block, forged steel crankshaft & H-beam rods, forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration/.623" lift/114° LSA camshaft, TFS R-Series FTI Comp Ported intake, BBK 80mm throttle body, Holley Dominator MPFI & DIS, Holley 36-1 crank trigger, MSD 1x cam sync, PA PMGR starter, PA 200A 3G alternator, Optima 34/78 Red battery, 100HP progressive dry direct-port NOS, R134a A/C, Spal Dual 12" HP 3168 CFM fans, Frostbite 3-core aluminum radiator, Pypes dual 2.5" exhaust, off-road X-pipe, shorty headers, Earl's -6AN fuel system plumbing, Walbro 255 LPH in-tank pump & Pro-M -6AN hanger, S&W subframe connectors, BMR upper & lower torque box reinforcements, LenTech Strip Terminator wide-ratio Ford AOD, 10" 3000 RPM C6 billet converter, B&M Hammer shifter, Stifflers transmission crossmember & driveshaft safety loop, FPP aluminum driveshaft, FPP 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 M/T Street Comp tires.


    • #3
      Mule: If you have a blank slate, I would consider having the tank made with a modern 6.5" flange so that you can use a modern fuel bucket arrangement. Also consider talking with Carl at VaporWorx and see what he suggests for a pump and PWM controller. Andrew
      Instagram: @projectgattago
      Offering remote Holley EFI tuning.
      I deliver what EFI promises.
      Please get in touch if I can be of service.


      • #4
        I agree with Andrew above. Buy a restomod tank from Ricks and go with a GM fuel module. Here are some videos on the fuel system for my '70 Chevelle:

        Tons of info here. Talk to Carl on what you would need:

        Also, I'm running the stock 3/8" hardline feed. No return. Made the install much simpler. Matt
        Last edited by bochnak; 01-13-2023, 07:09 AM.
        70' Chevelle, 5.3 turbo, t56 magnum, VS racing 7875, Elgin E-1840-P (sloppy stage 2) cam, flex sensor


        • #5
          Thanks for the suggestions. That's the stuff I was looking for. I'll do some digging.