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10-15-2010, 06:15 AM
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MSD Pro Billet - which adjustable Vacuum Advance?
I'm trying to find a vacuum advance canister that will correctly fit a MSD Pro Billet Distributor. In the picture below, the canister on the left is the MSD canister. The canister on the right is a Jegs adjustable canister for an HEI (I read somewhere else that it fits
 ). See the mounting holes? Note the location of the rod? The rod is actually just a bit larger on the Jegs unit as well. I need one that lines up better. I really don't want to drill and tap the MSD housing. Any thoughts?  Edit: I found this one (googled it). Can anyone confirm fit and function? http://www.summitracing.com/parts/CRN-99601-1/ Last edited by Big Mouse; 10-15-2010 at 06:29 AM. 
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10-15-2010, 06:33 AM
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The left looks like a mopar one which are usually shorter. I don't really know if there's a such thing as a 'mopar' advance canister but the jegs version is standard hei size
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10-15-2010, 06:43 AM
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This thread will cover some of the info you are looking for:
msd pro billet dist. 8361, anyone use the vacuum advance with a stout cam? The crane part may be the one if your dist is the same as the OP's: http://www.summitracing.com/parts/CRN-99601-1/
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10-15-2010, 06:46 AM
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MSD Pro billet for a GM will take the vac can for a standard GM point dist. The Crane part number is 99601-1
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10-15-2010, 06:50 AM
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Quote:
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10-15-2010, 06:53 AM
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at the end of the thread i linked the op says the can fits
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10-15-2010, 07:00 AM
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LOL, that's second hand
 Seriously though, he says it fit, but he couldn't get the limiting plate to work right. I'm concerned about that. From his last post: "Update, ok f- bird I have 26* initial with 10* mechanical advance now. I have a vacuum guage plumbed into the car to map varying rpm, I have the crane adjustable vacuum advance can and limiter plate. Here's where I'm stuck, how does the plate fit under the inner screw by the rod? I cant seem to find an orientation that has enough room, looks like the can fits perfect but the limiter plate is too large for msd pro billet 8361 dist. Anybody get this plate to work? Cheers Tim."
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10-15-2010, 07:00 AM
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Quote:
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10-15-2010, 07:05 AM
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Greg - How much vacuum advance are you using? Are you using the limiter plate?
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10-15-2010, 07:30 AM
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Found this site: http://www.67chevyii.com/updates/body20.htm
He bounces around a bit (many pages) but discusses this exact conversion. Here is his home-made limiting plate solution with Crane unit installed (grind length to get correct amount of advance):  Thanks a bunch guys!
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10-15-2010, 07:34 AM
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I use the limiter and have it set for 12* and all in by 8" of vac.
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10-15-2010, 07:38 AM
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That's real close to what I need. Again, thanks!
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