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  1. #1

    Default How tall are the coils?

    I'm considering pulling the trigger on an MSD Ford 302 DIS kit: https://www.holley.com/products/igni...t/parts/601523. I'm curious if I can fit them on top of my valve covers, under my intake and wondered how tall the coils are? Are they taller with the bracket to mount them? https://www.holley.com/products/igni.../parts/561-131

  2. #2
    Join Date
    Dec 2009
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    22,966

    Default

    Your Holley HP EFI is capable of running Holley's Coil-Near-Plug ignition system. It seems it'd cost less, and it doesn't need another ignition box.

    Originally Posted by Danny Cabral
    If you already have or you're purchasing a new Holley EFI non-LSx main harness:
    The Holley 558-307 CNP main harness is for Holley's Coil-On-Plug smart coils and LSx ignition coils (nine terminated loose wires into J1B).
    If using Holley's 556-112 CNP coils, the Holley 558-318 CNP coil sub-harness is also required (or the Holley 556-128 CNP Big Wire V8 Kit).
    For LSx coils, Holley 558-307 CNP main harness plugs into two GM 12579355 CNP sub-harnesses or Holley 558-321 LSx coil sub-harnesses.
    If you had a Holley EFI LSx main harness, you wouldn't need the Holley 558-307 CNP main harness or the 558-318 CNP coil sub-harness.
    https://www.holley.com/products/igni...nd_components/ (Holley EFI Coil-Near-Plug Ignition Components)
    https://www.holley.com/products/igni.../parts/556-128 (Holley EFI 556-128 Coil-Near-Plug Big Wire V8 Kit)
    https://www.holley.com/products/fuel.../parts/558-117 (Holley EFI 558-117 Universal MPFI Coil-Near-Plug Main Harness)
    https://www.holley.com/products/fuel.../parts/558-118 (Holley EFI 558-118 Ford Universal MPFI Coil-Near-Plug Main Harness)
    https://forums.holley.com/showthread...3038#post33038 (Detailed Crank Trigger & CNP/DIS Conversion Information & Reasoning)
    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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