Help on 1965 289 V8 Mustang Specs. - Ford Mustang Forum
 
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post #1 of 7 (permalink) Old 11-29-2007 Thread Starter
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Help on 1965 289 V8 Mustang Specs.

I do not have amy type of manual to find out the data on the point gap, spark plug gap and the most important one is the timing, and a little help on on how to do it, I'm talking about with the vaccuum hose disconneted and so on.
When its warm and I start to accelerate it stars to ping, I think is out of timming.
You help and advice is welcome.
Thanks.
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post #2 of 7 (permalink) Old 11-29-2007
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You can go on AutoZone.com & they have free manuals online. It includes engine specs., tuneup procedures & full illustrations for adjusting idle, points, & timing. Hope this helps, its free
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post #3 of 7 (permalink) Old 11-29-2007
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Hello. The point gap should be ay about .021, the spark plug gap at about .035 and the timimg at idle with the vacuum advance disconnected at about 9 degrees before top dead center. That's with everything pretty much stock. Hope that helps.
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post #4 of 7 (permalink) Old 12-03-2007
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I thought it was .018 for the points, and .032 for the plug gap, but It's been so long since I dealt with the stock points ignition I may be wrong. Veronica is usually dead on with her specs though from what I've read, so the numbers she gave you should be close enough to get it running.

John

'65 Mustang Coupe (daily driver turned project car)
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post #5 of 7 (permalink) Old 12-03-2007
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Try the following web page The Ford 289 Engine Specs Depending on which 289 you have the Point gap can be .014-.016 or .017 or .019-.021 & timing can be 6-8 degrees or 12 degrees. Hope this helps
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post #6 of 7 (permalink) Old 12-03-2007
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Hi again. It is true that the factory specs for the point gap back then was more like .019 or .020 depending on the application, but that was with 1965 design spark plugs and ignition coils. The coils now build up a charge better than the older ones did, so you don't need quite the dwell angle that they did then, and they fire better so the slightly increased point gap actually does provide a longer duration of spark, rather than a 'dead hole' at the end of the spark, the plug gap call-outs back then where more like 32, but, with better plugs and a better spark, you can open that up a little and get a slightly more efficient burn. On the timing Ford low-balled the optimum setting to make things a little easier on the engine that they were covering with a warranty. Hot rod guys like to set the timing by running it up until it starts pinging and then back it off a hair. That usually puts a normal motor running on pump gas at about 13 or 14, the factory spec is usually 6 or 7, I like to just split the difference at about 9 or 10. Sufficiently advanced to achieve respectable compression, but not so much as to blow a hole in a piston or something. One should always bear in mind that 'factory specs' from 1965 were with 1965 stuff in mind. Hope that helps.
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post #7 of 7 (permalink) Old 06-06-2008 Thread Starter
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289 Specs

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Originally Posted by Bob A View Post
Try the following web page The Ford 289 Engine Specs Depending on which 289 you have the Point gap can be .014-.016 or .017 or .019-.021 & timing can be 6-8 degrees or 12 degrees. Hope this helps
Thank you you were very helpful
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