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Thread: Electronic Distributor

  1. #61
    Opel Intern Swiftus's Avatar
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    Quote Originally Posted by RallyBob View Post
    Juan, you have a PM regarding distributor curves.
    Bob - Care to share? Maybe in this thread if you haven't already.

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    3000 Post Club blancojp (R.I.P.)'s Avatar
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    Quote Originally Posted by RallyBob View Post
    Juan, you have a PM regarding distributor curves.
    Thanks Bob, info most appreciated.

    Today has been interesting to say the least. The guys thought it might cheer me up if they would map, on the small CNC, a distributor housing for me. Well guess what, I now can make custom Opel and VW distributor housings. I have an idea on how to further the use of this good fortune and modify the housing a little to be more functional.

    Say goodbye to extra holes and other crap that is not needed, say hello to a new, almost chrome finish, aluminum distributor housing. Ain't that a peach

    I love these guys, they are always looking out for me!

  4. #63
    Project 1450 supporter... Site Supporter My location RallyBob's Avatar
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    Pretty cool about the dizzy housings.

    I have a suggestion. Retain the small undercut beneath the base of the distributor. I find that fitting an o-ring here works better than the OEM gasket. No leaks, plus the dizzy doesn't vibrate loose if you don't snug the hold down bolt tightly.
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    '70 GT 'Bonnie', '71 Ascona 4-dr turbo - winter beater, '71 Ascona 4-dr 'Turd' - rallycar, '72 Manta Rallye - hillclimb car, '72 Ascona wagon - 'Red', '72 Manta - caged street car, '73 Manta Luxus, '73 Ascona 2-dr, '74 Ascona 2-dr - Project X, '74 Manta Luxus - factory sunroof, '74 Manta ITB racecar, '75 Manta, '75 Sportwagon, '75 Manta - racecar

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    Quote Originally Posted by RallyBob View Post
    Pretty cool about the dizzy housings.

    I have a suggestion. Retain the small undercut beneath the base of the distributor. I find that fitting an o-ring here works better than the OEM gasket. No leaks, plus the dizzy doesn't vibrate loose if you don't snug the hold down bolt tightly.
    Hate to say this but the undercut you are talking about, is only available on Bosch distributors used on Saab engines. The distributor body is basically the same and you can use the housing on an Opel motor.
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    Project 1450 supporter... Site Supporter My location RallyBob's Avatar
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    Quote Originally Posted by blancojp View Post
    Hate to say this but the undercut you are talking about, is only available on Bosch distributors used on Saab engines. The distributor body is basically the same and you can use the housing on an Opel motor.
    The one in my picture is an Opel housing. They all have a small undercut. I'm using a buna-nitrile #030 o-ring.
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    '70 GT 'Bonnie', '71 Ascona 4-dr turbo - winter beater, '71 Ascona 4-dr 'Turd' - rallycar, '72 Manta Rallye - hillclimb car, '72 Ascona wagon - 'Red', '72 Manta - caged street car, '73 Manta Luxus, '73 Ascona 2-dr, '74 Ascona 2-dr - Project X, '74 Manta Luxus - factory sunroof, '74 Manta ITB racecar, '75 Manta, '75 Sportwagon, '75 Manta - racecar

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    Quote Originally Posted by RallyBob View Post
    The one in my picture is an Opel housing. They all have a small undercut. I'm using a buna-nitrile #030 o-ring.
    I have a few in house and only one has it.
    What is the number on that unit, mine is 036

  9. #67
    Project 1450 supporter... Site Supporter My location RallyBob's Avatar
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    All the ones I have are grooved. It's a minor groove, but in conjunction with the bevel at the timing cover opening it works well to seal this area. One is an 038, another is an 012. The other one is cut down so no number...
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    C.R.L. 9/22/69 - 12/8/99, J.M.L. 3/3/43 - 6/15/04, D.M.L. 9/19/50 - 6/23/10
    E.G. Sauer 2/26/66 - 2/18/10. Rest in peace big guy...

    '70 GT 'Bonnie', '71 Ascona 4-dr turbo - winter beater, '71 Ascona 4-dr 'Turd' - rallycar, '72 Manta Rallye - hillclimb car, '72 Ascona wagon - 'Red', '72 Manta - caged street car, '73 Manta Luxus, '73 Ascona 2-dr, '74 Ascona 2-dr - Project X, '74 Manta Luxus - factory sunroof, '74 Manta ITB racecar, '75 Manta, '75 Sportwagon, '75 Manta - racecar

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    Quote Originally Posted by RallyBob View Post
    All the ones I have are grooved. It's a minor groove, but in conjunction with the bevel at the timing cover opening it works well to seal this area. One is an 038, another is an 012. The other one is cut down so no number...
    I can add that with no problem

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    Checked my early 1972 and 1973 GT distributors.
    Both distributors have the groves that RallyBob mentioned.

  12. #70
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    Quote Originally Posted by Swiftus View Post
    Bob - Care to share? Maybe in this thread if you haven't already.
    Jay I'm pretty sure that you already know this.

    Mitchell published a paper back supplement
    "Tune-up service & repair imported cars & trucks"

    The more in-depth info for gear heads

    Si vis pacem, para bellum "If you want peace, prepare for war"

  13. #71
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    I spoke too soon, the CNC 3D model shows the O-ring channel for the Opel, no O-ring for the VW unit.

    Here is the email received from Bob, regarding the advance. I hope it was OK to post it!

    Bob wrote:

    These are the most accurate advance numbers in print I've seen. As you can see there's a wide discrepancy allowed for a particular distributor type. Rpms and degrees are at the crank.

    Type 0 231 150 041 distributor, 1.9S engine

    Centrifugal advance:
    1000 rpms:0-1 degrees
    1500 rpms: 9.5-16.5 degrees
    2000 rpms: 14.5-20.5 degrees
    3000 rpms: 22-28 degrees

    Vacuum advance:
    80-140 mmHg start, 310-320 mmHg end, 18.5-23.5 degrees advance.

    Type 0 231 167 037 distributor, 1.9 U.S. with 4-speed

    Centrifugal advance:
    1000 rpms: 0-1 degrees
    1500 rpms: 10-17 degrees
    2500 rpms: 18.5-24.5 degrees
    3600 degrees: 27-33 degrees

    Vacuum advance:
    85-125 mmHg start, 140-152 mmHg end, 5-11 degrees advance

    Auto trans version: 0 231 167 038
    Vacuum advance:
    85-125 mmHg start, 115-125 mmHg end, 0-6 degrees advance.


    *From personal experience, when running a 2.0 liter with carb(s), 10.5:1 to 11:1 compression, big valve head, F306 camshaft or OR77 camshaft:

    Recurved to run 18-22 degrees timing @ 1200 rpms idle speed.
    Full mechanical timing 34-36 degrees at 4200 rpms. Brought up linearly from 1200 rpms. No vacuum advance run due to low idle vacuum.

    HTH,
    Bob.
    Last edited by blancojp (R.I.P.); 06-10-2015 at 10:27 PM.

  14. #72
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    Progress continues

    Calculations and more calculations....

    The project is almost complete and today, I received an email with an Excel sheet that calculates all phases of ignition timing. The sheet calculates everything from clock timing to error in degrees for the calculation. I am enclosing it here just in case someone needs it, It works great and it was just what I needed.

    I would like to thank Raul for this effort, I will buy you a drink when I return to Spain.

    We also finished the Ignition Control program that works with the distributor. Enclosed is version 1.0 of the available screens, set to a 25K maximum RPM range, it is configurable so dreaming don't hurt.

    Enjoy
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    Last edited by blancojp (R.I.P.); 06-11-2015 at 06:45 PM.

  15. #73
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    say hello to my little friend

    VW distributor, first take looking good polished!
    Opel is next....
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  16. #74
    Über Genius My location First opel 1981's Avatar
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    Quote Originally Posted by blancojp View Post
    VW distributor, first take looking good polished!
    Opel is next....
    Beautiful!

    I know this is a stupid question but...

    Are you also going to fabricate a cap for those who will be running coil packs? (Perhaps something with the logo incorporated)
    Opel GTs are not GM products
    ̶—̶̶̶̶̶̶̶—̶̶̶̶̶̶̶—̶̶̶̶̶̶̶—̶̶̶̶̶̶̶—̶̶̶̶̶̶̶—̶̶̶̶̶̶̶— ̶̶̶̶̶̶̶—̶̶̶̶̶̶̶—̶̶̶̶̶̶̶—̶̶̶̶̶̶̶—̶̶̶̶̶̶̶—̶̶̶̶̶̶̶—̶̶ ̶̶̶̶̶—̶̶̶̶̶̶̶—̶̶̶̶̶̶̶—̶̶̶̶̶̶̶—̶̶̶̶̶̶̶—̶̶̶̶̶̶̶—̶̶̶̶ ̶̶̶—̶̶̶̶̶̶̶—̶̶̶̶̶̶̶—
    Humans are not an endangered species!
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  17. #75
    7,000 Post Club My location wrench459's Avatar
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    Yes the primary needs to bleed it's energy over to the secondary fields at the proper time.
    The kick...spark pulse will vary depending on the time spent over the duration.
    For an example

    Si vis pacem, para bellum "If you want peace, prepare for war"

  18. #76
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    Quote Originally Posted by First opel 1981 View Post
    Beautiful!

    I know this is a stupid question but...

    Are you also going to fabricate a cap for those who will be running coil packs? (Perhaps something with the logo incorporated)
    That is top secret my friend, I can tell you but then I would need to have Wrench shoot you!

  19. #77
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    Final progress

    We finalized the designs of the distributor portion of the project. There were so many wants that we had to use some of them and keep a few for other updates. We added a unit to the line up which allows you to use the Pertronix and still be able to program the advance curves with a laptop.

    As it stands, there are several versions which are mated to the application you want to use them for. We now have over 20 different versions that can be used on MG, Opel, VW and anything that has a Bosch type distributor. We also added the tachometer adapter on the board and it works perfectly with the Opel tach.

    The best distributor to use are the ones with a 03x at the end, but it works well with all of them. The mounting plate is the big change on all of the different units.

    I'm also including a picture of my original, numbers matching 1972 Camaro SS Z/28 396 in my son's driveway. Just finish restoring the car at a tune of $72K!
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  20. #78
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    Website is up

    Our website is under construction but it is mostly up and running. You can view progress and current installations at edcatl.com when they are available.

    As always, all Opel installs will be posted here.

    For further contact and pricing on the ignition and ECU products, email info@edcatl.com

  21. #79
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    Distributor inner screen

    There was a talk a while ago about a small screen that goes inside the distributor shaft area, supposed to keep the oil from working its way up the shaft and into the body.

    Does anyone has a part number for it, my new Opel distributor is in need of one

  22. #80
    Tennessean Site Supporter My location hrcollinsjr's Avatar
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    Quote Originally Posted by blancojp View Post
    There was a talk a while ago about a small screen that goes inside the distributor shaft area, supposed to keep the oil from working its way up the shaft and into the body.
    AFAIK, it's just a felt type washer that can be viewed (if it's still there) by looking in the hole near the bottom of the distributor housing.

    Harold

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