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360 Compression Test |
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SEdmonds
Moderator Group Joined: Jun/21/2009 Location: Arizona Status: Offline Points: 8196 |
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Thanks for the offer Dan.
Matt's going to have to decide what he wants to do. He has liked having a survivor - and once you start fixing things, it opens the door to making mods. He's going to have to decide what he wants to do in that regard.
Indeed, we won't know what's going on until it gets opened up. My feeling is it's better to fix what needs to be fixed while it's open, and not put that stuff off, but it's his car and he's going to have to balance off cost against desires
Oh, the tough lessons of having an old car....we've all been there.
It actually runs pretty good for having two bum cylinders.
So Steve - you ready to have a 16 year old hanging around the place?
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SEdmonds
Moderator Group Joined: Jun/21/2009 Location: Arizona Status: Offline Points: 8196 |
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You know how ignorance is bliss?
This is what we found on the inside...and LOTS of sludge and carbon chunks.
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tsanchez
AMC Addicted Joined: Jul/09/2007 Location: Arizona Status: Offline Points: 4303 |
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Well it appears that the 4 and 8 holes have really bad ring seal, you can see how the oil has cleaned the edges of the pistons. Did you remove the lifters in order that they go because you cannot put them back in now if they are in a pile. You are looking at an overhaul at the minimum.
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SEdmonds
Moderator Group Joined: Jun/21/2009 Location: Arizona Status: Offline Points: 8196 |
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I came home from giving an exam to find this in the garage....Matt's pretty careful. He put each lifter into its own labled plastic bag.
4 is really nasty - it's the one with the lowest compression - so that's no surprise. 8 wasn't much better. The lifters were pretty worn, too. It's pretty amazing how well the engine was running considering the rotten stuff inside. I've never seen so much carbon.
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69 ambassador 390
Supporter of TheAMCForum Joined: Nov/22/2009 Location: Peoria, AZ Status: Offline Points: 3539 |
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Yuck!!!!!!
I would pull it and tack the block and have it tanked. I can get a smokin' deal on an overhaul kit for you and I know a really excellent machine shop in Prescott. If the cylinders are in good shape you could get by with just a re-ring style overhaul for pretty cheap. Like I said, I would be willing to help all I can. The pistons may be reusable after a good clean up and inspection. At 100,000 miles the high nickel block should still be perfectly usable after a good clean up and hone job. P.M. me and I will give you my phone if you want to discuss it. I have some work I need done also so maybe we could get a quantity discount.
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Steve Brown
Algonac, Mi. 69 Ambassador sst 390 84 Grand Wagoneer 69 Cougar XR7 65 Fairlaine 500XL 79 F-350 Super Camper Special |
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SEdmonds
Moderator Group Joined: Jun/21/2009 Location: Arizona Status: Offline Points: 8196 |
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PM sent
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tsanchez
AMC Addicted Joined: Jul/09/2007 Location: Arizona Status: Offline Points: 4303 |
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I have a flathead ferd right now that the entire inside has about a 1/4 to 1/2 inch of sludge covering it.
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SEdmonds
Moderator Group Joined: Jun/21/2009 Location: Arizona Status: Offline Points: 8196 |
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"Then you have not pulled apart enough old engines"
Definitely true in my case - remember, getting into the greasy end of the car hobby is a relatively new thing for me - call it my midlife crisis...or early senility.
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69 ambassador 390
Supporter of TheAMCForum Joined: Nov/22/2009 Location: Peoria, AZ Status: Offline Points: 3539 |
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I was just agreeing with her. I have seen late model fords where you could remove the valve covers could be removed and the sludge had taken on the shapr of the covers. It looked like they were still on. Old Pensoil engines used to look like that all the time because of the Paraffin chrystals from the oil. She will be amased if she tanks the block.
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Steve Brown
Algonac, Mi. 69 Ambassador sst 390 84 Grand Wagoneer 69 Cougar XR7 65 Fairlaine 500XL 79 F-350 Super Camper Special |
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tsanchez
AMC Addicted Joined: Jul/09/2007 Location: Arizona Status: Offline Points: 4303 |
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Oops quoted the wrong person I meant Suzanne
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