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What is the best way to de gunk a 1966 232 i6? |
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purple72Gremlin
AMC Addicted Charter Member Joined: Jul/01/2007 Location: Illinois Status: Offline Points: 16611 |
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Photon440
AMC Nut Joined: Sep/22/2014 Location: B.C. Canada Status: Offline Points: 327 |
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My engines are generally pretty clean, I'm always using Amsoil synthetic. I like their other products too, like engine flush. It works in transmissions as well.
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carnuck
AMC Addicted Joined: Mar/31/2010 Location: Seattle Status: Offline Points: 3942 |
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When I've had one extremely gunked up I added a line to the bottom of the pan (screwed into the drain plug hole) and ran the motor at low RPM while running ATF flushing the stuff down and running the returning oil through an electric pump and bypass filter with a sediment bowl. It's that or pour atf in and run a bit at low RPM, then pouring solvent down a minute before shutdown. Let it sit overnight, drop the pan and clean it out (and the pump screen!). Put the pan back on with just a couple bolts, add fresh ATF and run a while longer at low RPM. Drain, clean again and call it good (new WIX filter each change too)
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Mr. Ed
Supporter of TheAMCForum Joined: Nov/12/2010 Location: Sewell, NJ Status: Offline Points: 4916 |
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You're right, but this isn't the for sale section. But I agree that an ad, as helpful as it might be, might be inappropriate. But the bigger question might be, who is this person and how did he find out about the question? Later! Mr. Ed |
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2014 Jeep Grand Cherokee Laredo "Gwendolyn."
1978 Concord Sport coupe "Mr. Black". 1982 Concord wagon. The Admiral. FOR SALE! 1976 Sportabout X, 304, auto, air. The Bronze Goddess |
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farna
Supporter of TheAMCForum Moderator Lost Dealership Project Joined: Jul/08/2007 Location: South Carolina Status: Offline Points: 19676 |
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Well, in this case the poster IS answering the question, and even if he is pushing his product, it is at least a viable solution to the problem. Sort of an "infomercial", yes, but it IS directly applicable.
He does bring up a good point -- the gunk is around in the engine. Of course the filter should catch most or all of it. Wouldn't hurt to put a new filter on before flushing, and of course when you flush the oil system you have to change the oil and filter right after. With today's detergent oils and using ATF as part of the flush (ATF has a lot more detergent than oil -- detergents keep particles suspended in the oil so the filter will catch it) the filter should catch a lot, and the rest will go out with the old oil. Yes, the trash will have to flow from where it came from to the filter and pan, so some will go through the engine. That's where it all circulates anyway... |
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Frank Swygert
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carnuck
AMC Addicted Joined: Mar/31/2010 Location: Seattle Status: Offline Points: 3942 |
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But the dirt first has to get to the filter through the oil pump. Hard to do that if the screen is clogged shut. I had a '69 Ford F250 Camper Special that I stuck a 400C out of a cop car into. Just for fun one night we decided to have a drag race (my truck vs my buddy's Chev tow truck with 383 stroker). I got him off the line and was almost to the finish line when my motor quit but I still coasted over the line. I tried to re-start it and just heard a clacking noise from the dist. I pulled the cap and had my GF (post 1st marriage) crank it over. Dist just rotated slightly then popped back.
My buddy towed me home (still sheepish that even though my motor quit that I still beat him) and the next day I dropped the pan. It was full of pieces from someone doing the timing chain but not cleaning the pan and broken valve guide seals. 5 hours later I had new main bearings in (rods were fine) and new valve seals. The oil pump just needed cleaning out along with the screen. I got sooo lucky! A new roll pin in the dist and it was back on the road until I had to borrow rent money from a scrapper and the yard thought I wanted to crush it. That was such a sweet motor that it was a shame to do that to it. I protect my '77 AMX 304 much better than that. I've had it 15 years and hope to get a few more before rebuilding it. Edited by carnuck - Sep/26/2014 at 12:46pm |
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bbrooks2
AMC Nut Joined: Jun/22/2014 Location: killen alabama Status: Offline Points: 369 |
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I put in a good set of gauges now so if I have 30lb or more oil pressure I should be ok?
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farna
Supporter of TheAMCForum Moderator Lost Dealership Project Joined: Jul/08/2007 Location: South Carolina Status: Offline Points: 19676 |
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Yes... but is that hot or cold pressure? Cold oil is thicker and will run higher pressure. A practically new engine should run 30-60 psi cold at idle. Once it warms up to full operating temp (180-200 degrees), the oil is thinner and pressure will drop. The general rule of thumb is you should have a minimum of 10 psi at idle with the engine hot, and pressure should be at least 10 psi per 1000 rpm over idle. So at 5000 rpm you want at least 50 psi. AMC TSM (factory manuals) say 15 psi at hot idle, but that's for a new engine. 100,000 miles or so and 10 psi is still good.
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Frank Swygert
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bbrooks2
AMC Nut Joined: Jun/22/2014 Location: killen alabama Status: Offline Points: 369 |
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Just one short drive around the neighborhood so far since I put the gauges on and it has not been below 30psi even with hot oil. I think this is a great running 232 and I want to make sure everything is right before I do much highway driving.
I really want to thank you all for sharing the knowledge and information I have found here!
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FSJunkie
AMC Addicted Joined: Jan/09/2011 Location: Flagstaff, AZ Status: Offline Points: 4742 |
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It's hard to break a 232. They easily go 100,000 miles between rebuilds.
Mine's towed trailers and been abused it's whole life. Only thing that's ever been done to it was a timing chain at 113,000 miles. Still has 140-155 in all cylinders and will cruise any legal interstate speed with power to spare. Smoothest running engine I've ever owned...when the spark plugs are clean. Keeps up with V8's. Dang good motors. My grandfather had one with overdrive in his '65 Classic. He said that thing was good for 85 or so in overdrive and well over 100 in 3rd, and I believe it. He out-ran a lot of big V8 muscle cars in that old wagon just because they were geared wrong. Had over nearly 200,000 miles when he sold it in 1972 and much like my 232, it had never been apart. Edited by FSJunkie - Sep/29/2014 at 8:20pm |
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1955 Packard
1966 Marlin 1972 Wagoneer 1973 Ambassador 1977 Hornet 1982 Concord D/L 1984 Eagle Limited |
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