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I just picked up a 66 mustang convertible 289 that hasn't run in an unknown amount of time. The engine turns over manually, but all I hear is a grinding when I try to start it. It sounds like the starter hitting the flywheel. So I took it down and replaced the starter, same issue. I did make sure it was a 2 hole (automatic) starter. Just a grinding noise when I try to start it. The flywheel moves freely when I turn the fan. Any ideas?
 

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I just picked up a 66 mustang convertible 289 that hasn't run in an unknown amount of time. The engine turns over manually, but all I hear is a grinding when I try to start it. It sounds like the starter hitting the flywheel. So I took it down and replaced the starter, same issue. I did make sure it was a 2 hole (automatic) starter. Just a grinding noise when I try to start it. The flywheel moves freely when I turn the fan. Any ideas?
Ok, completely charge your battery and have it load tested, if it's suspect. Most all Auto stores will do this for free. A battery can show a 12V charge, however, it may not be making the rated AMPs. A load test will determine this. The AMPs is what get's the starter doing what it's designed to do.

Is it grinding or clicking, you are hearing? If grinding and you have a known good battery, pull the starter motor and check the Bendix drive. If it's clicking, I would suspect the battery. I

Another test, if you don't have a "Remote Starter Switch, use a 12 gauge jumper between the battery "+" and the "S" on the solenoid. This will energize turn over a know good engine very easily. These remote switches are a good tool for any automotive tool box. Good Luck and keep us posted.
 

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Could simply be that the flywheel/flexplate is missing a couple teeth. You did mention you got the 'automatic' starter which, hopefully, will work with your transmission. Your spacer plate could also be 'off'?
 

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Discussion Starter #4
I took the battery that I was using to get tested and it was a bad battery, although it works fine in my 75 Corvette. I'll have to get a new battery and try it again.
 

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I just picked up a 66 mustang convertible 289 that hasn't run in an unknown amount of time. The engine turns over manually, but all I hear is a grinding when I try to start it. It sounds like the starter hitting the flywheel. So I took it down and replaced the starter, same issue. I did make sure it was a 2 hole (automatic) starter. Just a grinding noise when I try to start it. The flywheel moves freely when I turn the fan. Any ideas?
All 289 starters are "2 hole". What transmission is in the car? Auto or stick?
 

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Discussion Starter #6
So it did turn out to simply be the battery. I was quite surprised considering the battery would turn over my other car, but it does crank now. It did not start up as I assumed it would not. It ended up not having spark, i checked the coil which tested ok. I then replaced the condenser in the distributor and got a new points set for a whopping $15 total, I now have spark. I want to empty out the tank before try to fire it up again, when i turn it over all the nasty old fuel comes out of the fuel filter (I disconnected the fuel line after the filter to not allow old gas in the carb). The tank drain plug is rusted out but im just going to crank the engine and bleed out all the old fuel threw the line. Ill keep you all updated with my progress. Its hard to find time with a 9 month old at home to spend any real time working on it.
 

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To save your battery power, disconnect the fuel line at the incoming side of the pump and let gravity drain the tank. You might crack open the fuel filler, so as, to equalize the pressure.

How fuel do you think is in the tank?
 

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Discussion Starter #8
It doesn't sound like much is in there. I'll take a look at how to disconnect it instead of cranking the engine. I would like to get a new fuel tank but the trunk is pretty rusted out and I'm scared I won't be able to get a new one in without completely replacing the pan
 

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So I got it to fire up!! God only how long it's been since it last ran last. I got it to run on starter fluid, not gas. I emptied out most of the fuel tank but I'm not going to put new fuel in it quite yet before I can get a better idea of the condition. I disconnected the intake side of the fuel pump and hooked up a fuel hose to a gas can. I don't think it's sucking any fuel up threw it though. When I first started cranking it, all of the old fuel was spilling out past the fuel filter so I think the pump works. Any tricks to get it to suck up fuel from the gas can?
 
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