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    1997 5.7L thunderbolt ignition. Slow crank

    I put another new starter on today, and replace the slave solenoid today, took off the drive belt, plugs are still out, removed the outdrive still slow crank. The only thing out of place on the outdrive I noticed is one of the two black o-rings is missing, and the orange one seemed a little...
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    1997 5.7L thunderbolt ignition. Slow crank

    Ok update. I put another starter on, so this is the third starter, The original one I had replaced 7 years ago, the new one I just bought last week, and I sent back and just got another new one, today I replaced that starter and I replaced the slave solenoid , change the battery cables, Used...
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    1997 5.7L thunderbolt ignition. Slow crank

    Hehe. I did that, and the starter I took off looked totally fine, I cleaned it up real good with brake cleaner and reassembled it. Works fine on the bench. But either way I have another one coming just to be safe And I sent the other new one I bought back.
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    1997 5.7L thunderbolt ignition. Slow crank

    Thanks for detailed response 1. Yeah I was just letting you know I pulled the plugs just to eliminate hydrolock 2. I can pull the starter and reinstall the starter in 20 minutes . it takes me about 5 hours to do the outdrive and most of the time I feel like I'm not going to get it back on But...
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    1997 5.7L thunderbolt ignition. Slow crank

    Could it have anything to do with the slave solenoid by the breaker? This is just so hard to diagnose bc it happened out of nowhere, not coinciding with any particular incident. Ran fine all day and the next day, and then ran fine when I started it in the driveway got it to temperature, and...
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    1997 5.7L thunderbolt ignition. Slow crank

    Yes, I have had the plugs out, when it still cranked slow, that's when I turned to the forums. I checked the oil oil looks good. I borrowed a new battery from my neighbor just to be sure it's not my batteries. Fully charged in 1 year old still won't turn. The only thing I haven't done is pull...
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    1997 5.7L thunderbolt ignition. Slow crank

    Yeah and I know I'm running a little rich because I can't quite get it adjusted properly, but that's kind of what led me to all this. Hard start went hot. So when I got back for my 4th of July trip I started it on the muffs in the driveway and it fired up fine, I ran it to temperature and then...
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    1997 5.7L thunderbolt ignition. Slow crank

    I have not changed my plugs in a long time but since I have them pulled I figured I would share their condition. Do they look rusted to you? The body on all of them that sits outside of the engine all have rust on them, but it doesn't look like they are rusted that goes into the motor. What do...
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    1997 5.7L thunderbolt ignition. Slow crank

    I have not removed the drive yet. I'm going to get a new battery and see if anything changes. I did change out the positive battery cable to the starter no change. So now I have a brand new ground cable, a brand new power cable, And I have the battery connected directly to the starter I took...
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    1997 5.7L thunderbolt ignition. Slow crank

    I did run voltage test. Here's what I found this is with each independent battery hooked directly to the starter no battery switch. Batt 1: 12.4 volts at starter and battery when off, 9.5- 11 v At the battery when cranking, and 9.1 -9.5v at the starter. Batt 2: 12.2 volts at starter and...
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    1997 5.7L thunderbolt ignition. Slow crank

    I don't really know how to do that.. do you mean by turning the bottom pulley with a socket? There is a 16 mm bolt on that pulley that I can't turn with a 3/8 ratchet. Should it turn easily with that? It feels like the bolt is tightening , I don't want to turn it too much and snap the bolt...
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    1997 5.7L thunderbolt ignition. Slow crank

    Yes I have checked the oil before I even took it out. I didn't change it this year because I just changed it last year and only had it out about three times and it looked good still. So I just checked the level, It was fine. Also the plugs are already out of it. I have even bypassed the dual...
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    1997 5.7L thunderbolt ignition. Slow crank

    Is there any way to test the starter besides bench testing it? It appears fine on the bench, both of the starters did, But the voltage at the power terminal of the starter does drop to 9.5 volts when it's cranking. I've tested at the slave solenoid and the terminal. The starter is not easy to...
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    1997 5.7L thunderbolt ignition. Slow crank

    Made fresh new battery ground cables and have them grounded to the block.. still cranking slow. I took the batteries to O'Reilly to have it load tested. Both of them tested good. I then put each one in my truck fires as my truck up just fine. At this point the only thing I can think is maybe...
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    1997 5.7L thunderbolt ignition. Slow crank

    Thanks. I'll report back let the boat know how it went
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    1997 5.7L thunderbolt ignition. Slow crank

    I ended up buying two gauge wires. I'm going to replace the starter wires and tomorrow I'm going to get two brand new batteries. But yeah all of my cables appear to be 6 gauge wires. one coming from my battery switch, is marked as 6 gauge wires, the other ones that I don't see any markings...
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    1997 5.7L thunderbolt ignition. Slow crank

    Okay guys, I have some 4 gauge power wire from an old amp kit, can I use that to make cables for this just to test it to see if it helps. It is 4 gauge but it's that really fine copper not the hard stiff ones. Currently my battery setup is with 6 gauge wire I just don't want to put a ton of...
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    1997 5.7L thunderbolt ignition. Slow crank

    Okay now I feel dumb. I cut open the wire loom that runs along the stringers. The battery is grounded to the flywheel housing. Then another cable attaches to the battery which connects to the other batteru. That battery cable is the one that was melted and really bad shape. So I think what...
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    1997 5.7L thunderbolt ignition. Slow crank

    But yeah the starter grounds through the mounting bolts to the block right? So the batteries have to be grounded in some way, I wonder if it's one of those smaller wires on the grounding strap comes off of that into that wire loom along the stringers and then onto the battery Because now that I...
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    1997 5.7L thunderbolt ignition. Slow crank

    Yeah I think my next step is to remove the house battery completely out of the equation , then hook my f starting battery directly to the starter with a fresh positive cable and a fresh ground that's actually grounded to the engine. And see if my cranking returns to normal. If it doesn't that...
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