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this dist is currently fitted in a 69 mach 1 anyone know what yr type car its from?
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The D2 should mean 1972 but the oil fitting and ceramic insulator is like my old bird stuff pre 63', the way the cap's clipped looks unique also...... I would guess its special either industrial 72 or a ford racing part. How many sets of points does it have? 2=hipo, 1=industrial , remember I'm guessing.
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bulletbirdman wrote:
The D2 should mean 1972 but the oil fitting and ceramic insulator is like my old bird stuff pre 63', the way the cap's clipped looks unique also...... I would guess its special either industrial 72 or a ford racing part. How many sets of points does it have? 2=hipo, 1=industrial , remember I'm guessing.
single set of points
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What you got there is a Mercruiser marine distributor.
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Greg B wrote:
What you got there is a Mercruiser marine distributor.
cool are the points the same as early mustangs?
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That is made by Mallory. The stuff you need if you want to keep that distributor is Mallory Marine stuff.
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It appears to be pure mechanical advance and it is hard to say whether the advance curve would be ideal for a street motor but I suspect not. I would suggest a proper street distributor with vac. advance for better driveability or upgrade to Duraspark.
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Learn something new everyday. Vacuum only retards at idle,.mechanical at rpm all the old school hi-po distributors were mech only advance, points work well if set properly, but these electronic ignigs are supposedly bullet proof.
Last edited by bulletbirdman (12/28/2013 10:56 AM)
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Well, they do call it vacuum advance... Under normal to low-load conditions it supplies additional advance to the mechanical - this of course will vary depending on the exact engine as they messed with advance and retard over the years but I am fairly sure most Ford street apllications in the 60's used an advance out of a timed port on the carb. So, you are able to run a little more reasonable advance at idle without risking kick-back during starting that you might run into with mechanical only and on the highway you gain a little more efficiency with the added advance. If this is a street driven non-modified engine, vac. advance should be a good setup. The thing that I question and only question because I don't have data - is what is the advance curve for a marine distributor versus an auto application? The way an engine is run in a boat is a lot different that street driving so it may not have an optimum/desirable curve. Maybe it can be checked and re-curved but with odd-ball parts there would seem to be a lot better choices.
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