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Thread: HP Sequential Multi-Port & Support for 1x, Vortec style Distributors.

  1. #1

    Default HP Sequential Multi-Port & Support for 1x, Vortec style Distributors.

    I'm trying to put together a sequential multi-port HP EFI setup that uses the Holley Crank Trigger wheel 60-2/58x, but I will obviously require a cam sync signal. Going with an expensive dual-sync distributor when using a crank trigger obviously makes no sense. Can I use a Vortec style cam sync distributor, such as this $125 option from EFIConnection.com with a Holley HP EFI setup? https://www.eficonnection.com/home/p...nd-bbc-engines Adam

  2. #2
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    Yes, I always suggest that one: https://www.eficonnection.com/home/p...nd-bbc-engines (EFI Connection Cam Sync Unit)
    May God's grace bless you in the Lord Jesus Christ.

    '78 BRONCO: 508" stroker, TFS heads, 11:1 comp ratio, Dominator MPFI & DIS, cold air induction, Spal dual 12" fans/aluminum radiator, dual 3" exhaust/Magnaflow mufflers, Moroso vacuum pump, Accusump, engine oil & trans fluid coolers, 100HP progressive dry direct-port NOS, A/C, LenTech Strip Terminator wide-ratio AOD/2500 RPM converter, 3:1 Atlas II, modified Dana 44/60-lockers-4.10s, hydroboost/4-disc brakes, ram-assist/heim joint steering, Cage long radius arms, traction bars, 4" Skyjacker lift, 35" mud tires

  3. #3

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    Done this before. Works great.

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    Quote Originally Posted by NewbVetteGuy View Post
    I'm trying to put together a sequential multi-port HP EFI setup that uses the Holley Crank Trigger wheel 60-2/58x...
    Just so you're clear, Holley's 60-2 & GM's 58x is not the same crank convention. It's a different algorithm.
    May God's grace bless you in the Lord Jesus Christ.

    '78 BRONCO: 508" stroker, TFS heads, 11:1 comp ratio, Dominator MPFI & DIS, cold air induction, Spal dual 12" fans/aluminum radiator, dual 3" exhaust/Magnaflow mufflers, Moroso vacuum pump, Accusump, engine oil & trans fluid coolers, 100HP progressive dry direct-port NOS, A/C, LenTech Strip Terminator wide-ratio AOD/2500 RPM converter, 3:1 Atlas II, modified Dana 44/60-lockers-4.10s, hydroboost/4-disc brakes, ram-assist/heim joint steering, Cage long radius arms, traction bars, 4" Skyjacker lift, 35" mud tires

  5. #5

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    Quote Originally Posted by Danny Cabral View Post
    Just so you're clear, Holley's 60-2 & GM's 58x is not the same crank convention. It's a different algorithm.
    I'm glad you said that. I thought they were identical; just different ways of saying the same thing.

    Spacing Pulleys for Crank Trigger: I've got a number of guys on another forum telling me that I should just get the dual sync distributor vs the 60-2 crank trigger, due to the spacing requirement of all the accessory pulleys.
    I see that the Crank Trigger kit comes with a shim for the water pump, but nothing else. I'm pretty mechanically clueless. What's actually required to space all the other accessory pulleys?
    Are there off-the-shelf shims/spacers sold anywhere? Does this mean I need a pulley puller for each pulley, and then I just insert something akin to a washer behind the pulley or how do you actually do this?
    Why couldn't I just insert a washer between the block and the accessory bracket to move the whole accessory forward 1/8"?
    I think the alternator and AC might be pretty simple, but the power steering doesn't use a bracket so what's actually involved in spacing it forward? Adam

  6. #6
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    In reference to shimming accessory belt driven components forward: Water pump pulley flange shims are commonly available.
    The easy way to shim the other accessory belt driven components, is to purchase (LINK) or fabricate thick aluminum washers.
    I've made them with aluminum flat bar, using a 1" hole saw, then enlarge/drill the I.D. hole you need (usually 3/8" or 7/16" I.D.).
    The aluminum flat stock material is easy to drill/cut through, and is available at the local hardware store. Perfect round washers!
    Use 1/8" (.125") shim washers to shim the belt driven accessory brackets forward, if installing Holley's 60-2 crank trigger kit.
    Use 3/16" (.188") shim washers to shim the belt driven accessory brackets forward, if installing Holley's 36-1 crank trigger kit.
    Use 3/8" (.375") shim washers to shim the belt driven accessory brackets forward, for an MSD Flying Magnet crank trigger kit.
    Some custom built crank trigger kits don't require shimming accessory belt driven components. My example: LINK.
    May God's grace bless you in the Lord Jesus Christ.

    '78 BRONCO: 508" stroker, TFS heads, 11:1 comp ratio, Dominator MPFI & DIS, cold air induction, Spal dual 12" fans/aluminum radiator, dual 3" exhaust/Magnaflow mufflers, Moroso vacuum pump, Accusump, engine oil & trans fluid coolers, 100HP progressive dry direct-port NOS, A/C, LenTech Strip Terminator wide-ratio AOD/2500 RPM converter, 3:1 Atlas II, modified Dana 44/60-lockers-4.10s, hydroboost/4-disc brakes, ram-assist/heim joint steering, Cage long radius arms, traction bars, 4" Skyjacker lift, 35" mud tires

  7. #7

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    You're a saint and a scholar, Danny! Thanks again! You're definitely enabling a sale for someone like me who's paralyzed with indecision, until I can fully understand what it is I'm purchasing and need to do to get it installed & working.
    (About 13 years ago I did tech support for Microsoft. Someone who could provide specific advice to a customer, while at the same time making essentially a "how to" document for future customers to follow who have similar questions/problems in the future, was rare and worth their weight in gold. So I have a subtle appreciation for what you're doing on the Holley forums; I hope the folks cutting you your check have the same appreciation.)

    Danny, what do you think about the option of shimming the accessories themselves, at either the accessory bracket or block (depending upon whether the accessory mounts to the front or rear of the bracket), rather than shimming the pulley itself? (Just seems easier than pulling off the pulleys for someone like me who doesn't have pulley pullers.) Adam
    Last edited by NewbVetteGuy; 12-12-2017 at 11:58 AM.

  8. #8
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    Quote Originally Posted by NewbVetteGuy View Post
    You're a saint and a scholar, Danny! Thanks again! You're definitely enabling a sale for someone like me who's paralyzed with indecision, until I can fully understand what it is I'm purchasing and need to do to get it installed & working.
    (About 13 years ago I did tech support for Microsoft. Someone who could provide specific advice to a customer, while at the same time making essentially a "how to" document for future customers to follow who have similar questions/problems in the future, was rare and worth their weight in gold. So I have a subtle appreciation for what you're doing on the Holley forums; I hope the folks cutting you your check have the same appreciation.)
    You're welcome, and thanks for the compliment.

    Danny, what do you think about the option of shimming the accessories themselves, at either the accessory bracket or block (depending upon whether the accessory mounts to the front or rear of the bracket), rather than shimming the pulley itself? (Just seems easier than pulling off the pulleys for someone like me who doesn't have pulley pullers.) Adam
    That's what post #7 is all about! Spacing the belt driven accessory brackets forward, not the pulleys (except for the water pump because it doesn't have a mounting bracket). I edited my post #7 to clarify this.
    May God's grace bless you in the Lord Jesus Christ.

    '78 BRONCO: 508" stroker, TFS heads, 11:1 comp ratio, Dominator MPFI & DIS, cold air induction, Spal dual 12" fans/aluminum radiator, dual 3" exhaust/Magnaflow mufflers, Moroso vacuum pump, Accusump, engine oil & trans fluid coolers, 100HP progressive dry direct-port NOS, A/C, LenTech Strip Terminator wide-ratio AOD/2500 RPM converter, 3:1 Atlas II, modified Dana 44/60-lockers-4.10s, hydroboost/4-disc brakes, ram-assist/heim joint steering, Cage long radius arms, traction bars, 4" Skyjacker lift, 35" mud tires

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