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Accel EFI Intake Manifold

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  • Accel EFI Intake Manifold

    The application: Accel EFI MPFI single plane manifold with EFI rails alteration to a Chevrolet LT1 based engine.
    Elimination of the Chevrolet LT1 intake manifold. 4150 flange.
    Fabricated 4" tube runner and throttle_body for fit under a 97 SS hood.
    Cut off GEN1 manifold cooling fittings. LT1 has reverse cooling block/ head design.
    Re-drilled head bolt holes for LT1 head match.
    3/8-16 UNC fasteners with 15 washers for fitment.
    LT1 intake gasket reused and drilled for Gen 1 manifold center bolts.
    Weld on throttle body cable festoon detail.

    I don't know if Holley will support the old Accel EFI manifold? B.

  • #2
    Originally posted by mzgp5x View Post
    I don't know if Holley will support the old Accel EFI manifold?
    Why wouldn't Holley EFI work on this intake manifold? It's an aftermarket engine management system; operating the fuel injectors & controlling the ignition timing.
    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 crank & rods, forged pistons, Trick Flow T/W 11R 205 CNC comp ported heads, 12:1 comp ratio, 232-244 duration/.623" lift/114 LSA camshaft, TFS R-Series FTI comp ported intake, BBK 80mm T/B, Holley Dominator MPFI & DIS, Holley 36-1 crank trigger, MSD 1x cam sync, PA PMGR starter, PA 200A 3G alternator, Optima Red battery, 100HP progressive dry direct-port NOS, R134a A/C, Spal dual 12" 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 AOD, 3000 RPM C6 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.

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    • #3
      Yes it does. I'm currently installing a HP EFI for this manifold & LT1 engine. Any EFI Gen 1 manifold will work, but would require modifications for different LT1 head bolt fastener locations, and a remote throttle body. This can be done. This was the only solution for the old Chevy LT1 manifold replacement (1997 Camaro SS Gen4 app).

      Fuel injectors: 95 lb/hr low impedance EV1.
      Ignition timing: Optispark eliminated. EFI connection 24x & single cam pulse installed with Coil-On-Plug change. Distributors will not fit under a 4th Gen cowl.
      I'm new here. Thank you for response. B.

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