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> Has anybody done a Crane optical AND an MSD 6AL install?
Joe Bob
post Aug 5 2006, 02:10 PM
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Well, Headrage and I have muddled thru the Crane install....the instructions SUCKED!!!!


NOW, the MSD Instructions suck worse....anyone BTDT?
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TimT
post Aug 5 2006, 03:38 PM
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Yes BTDT, about 10-12 years ago... I dont remember the details, but I do remember it was pretty straightforward
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Joe Bob
post Aug 5 2006, 03:46 PM
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OOpsie....


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Joe Bob
post Aug 5 2006, 03:48 PM
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We used the white wire and connected to the used to be negative lead from the coil from the Crane Optical unit....

We are also getting less than 12volt at the red wire which is switched power....
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Flat VW
post Aug 5 2006, 03:57 PM
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Where's SLITS when you need 'um? (IMG:style_emoticons/default/confused24.gif)

John
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john rogers
post Aug 5 2006, 04:00 PM
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On the MSD box the small red wire has to have switched 12 volts. The white wire should feed to the yellow wire on the crane box if it is the old XR700 system and the red wire on the crane box should also get 12 volts of switched power. The multi pin plug on the crane box goes to the distributor and the other two wires on the MSD box go to the coil + and -. There will be three wires connected together at the power source.
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Joe Bob
post Aug 5 2006, 04:47 PM
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is there a way to self test the MSD box?
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Matt Romanowski
post Aug 5 2006, 04:58 PM
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Yes, It's in the instructions.

CHECKING FOR SPARK
If triggering the ignition with the White wire:
1. Make sure the ignition switch is in the “Off” position.
2. Remove the coil wire from the distributor cap and set the
terminal approximately 1/2" from ground.
3. Disconnect the MSD White wire from the distributor’s
points or ignition amplifier.
4. Turn the ignition to the On position. Do not crank the
engine.
5. Tap the White wire to ground several times. Each time
you pull the wire from ground, a spark should jump from
the coil wire to ground. If spark is present, the ignition
is working

You can find them at http://www.msdignition.com/pdf/frm23775_6520.pdf
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Joe Bob
post Aug 5 2006, 05:15 PM
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Ok...pulled the MSD and hooked it back to the Bosch CDI....we are only getting 6v switched power to the + side of the coil.....it runs...but that seems low.
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Allan
post Aug 5 2006, 09:42 PM
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Okay, just got home.

Thanks Mike for the help today. At least we got the Crane working. Talked to Slits on the way home and he says the optical trigger may need some adjustment to get the timing right.

I'm going to see if I can work on it tomorrow with a fresh head.

Mike, I don't remember if we were feeding 12 volts to the Crane directly with the MSD installed?

BTW, I hate electrical crap!!!
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Joe Bob
post Aug 5 2006, 09:46 PM
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Check yer email....John called back....
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Allan
post Aug 5 2006, 10:01 PM
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QUOTE(mikez @ Aug 5 2006, 08:46 PM) *

Check yer email....John called back....


Which e mail? Home or office?

Home is agmoore4@sbcglobal.net (IMG:style_emoticons/default/wink.gif)
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Aaron Cox
post Aug 5 2006, 10:12 PM
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if both the crane and msd need a switched 12v source, you need to split off the original coil + wire...
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turboman808
post Aug 5 2006, 10:50 PM
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Just took an MSD ignition off my car yesterday. Good ridance.
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Aaron Cox
post Aug 5 2006, 10:52 PM
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send it my way.

AA
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Allan
post Aug 5 2006, 10:54 PM
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QUOTE(turboman808 @ Aug 5 2006, 09:50 PM) *

Just took an MSD ignition off my car yesterday. Good ridance.


Why do you say that?

Seems like a solid unit.

I'm just having a Z, er, I mean brain fart trying to hook it up....
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Aaron Cox
post Aug 5 2006, 10:57 PM
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sorry turbo....

but they do make a big difference on these cars......
multiple spark dishcarge below 3k and an amplified spark above that....

use it with a monster CDI coil, and you will feel the difference and NEVER foul a plug
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turboman808
post Aug 5 2006, 11:05 PM
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Took it off my civic. Didn't do anything except burn out coils and eat up the distributor caps really fast.

914 has coil packs. Wish I could get those for the honda as well.
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Allan
post Aug 7 2006, 06:18 PM
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I was re-reading the Crane instructions and on the first page is says that the XR700 needs a ballast resistor. On page ten it says that only the XR300 needs it. (IMG:style_emoticons/default/confused24.gif)

I think I may just take Aarons advice and go with a Pertronix...
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Cap'n Krusty
post Aug 7 2006, 06:26 PM
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QUOTE(Headrage @ Aug 7 2006, 05:18 PM) *

I was re-reading the Crane instructions and on the first page is says that the XR700 needs a ballast resistor. On page ten it says that only the XR300 needs it. (IMG:style_emoticons/default/confused24.gif)

I think I may just take Aarons advice and go with a Pertronix...


Friends don't let friends use Pertronix .......................... The Cap'n
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