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Is a cool running powerful 426 Possible?
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Tbone95 View Drop Down
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Joined: 31 Aug 2012
Location: Michigan
Points: 11399 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Tbone95 Quote  Post ReplyReply Direct Link To This Post Posted: 04 Apr 2019 at 7:30am
Originally posted by orangeman69 orangeman69 wrote:

we have a d21 series 2, a 210 and 7060,no troubles whatsoever with running hot,just commonsense maintenance and also we put 160 degree thermostats in.. made a big difference..
If you have an engine that's running hotter and hotter the longer/harder it's being used, what difference does opening up the thermostat earlier make?  That doesn't make sense to me.
 
My 7045 ran hot, but was a bad radiator.  Had it recored, and when recored had the extra row built in.  Works great now.  Personally, I think the whole foam thing is kind of retarded.  I mean it is very critical for functional cooling, just the concept and maintenance of it is retarded.  One of those "personality of the machine" things I guess, and accept.
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Joined: 14 Jan 2019
Location: Kentucky
Points: 27 		Post Options Post Options   Thanks (0) Thanks(0)   Quote shieldslx13 Quote  Post ReplyReply Direct Link To This Post Posted: 05 Apr 2019 at 12:07pm
I'm in Georgetown Ky, But the farm is in Lancaster ky.  th HX35 was originally intended for a 6.5 GM(no laughing please) to go in a 2 ton Chevy that had a 366.  Projects like that had to be shelved after our Dad died.  I'm going to get one for the 220 but I'm worried its a little too big.  I know everyone keeps saying its a maintenance problem but we have as follows; 7080, 7060, 220, 190XT, 200, 1950T, 7000 AC (that's gotta be making 130HP, it will handle the 220 any day of the week) G900MM, 1355 Oliver(actually  585 Moline with  DI instead of the old Lanova system), 7600 Ford, 5000 Ford, 3000 Ford, 8N, IH140, two 1466 IH Combines, WD45, (on top of my brothers 24 valve and common rail trucks). All of these run tip top.  I'm not trying to bad mouth the 426, but the 301 is one of the finest running Diesels ever created.  The AC 426's were the only ones that consistently ran hot, with no power down low.  The HX35 was a game changer for the 7080, and I'm hoping it will have the same effect on the others.  For the starting problem, when I talked to Bob King (I think it was him) he told me he never met an Allis that would start without Starting fluid when its cold.
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Joined: 13 Sep 2009
Location: Walnut IL
Points: 4780 		Post Options Post Options   Thanks (0) Thanks(0)   Quote injpumpEd Quote  Post ReplyReply Direct Link To This Post Posted: 05 Apr 2019 at 4:07pm
There's definitely something not right with your 426, and the Holset is just band aid fixing the issue, which is fine, as long as it performs. I wonder if the exhaust manifold gaskets are on backwards? Another great turbo for replacing others is the H1C originally intended for 5.9L Cummins in tractors such as White 120/140, 125/145, and various Maxxums. It would be a bit small for a 426 in a 7080 I think. A really great turbo, but expensive, is the S200 supercore series. Finally the turbo companies are feeding the need for smaller turbos. Impressive lineup of tractors too by the way!
210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!
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Joined: 12 Nov 2011
Location: Oklahoma
Points: 618 		Post Options Post Options   Thanks (0) Thanks(0)   Quote CALEBnOK Quote  Post ReplyReply Direct Link To This Post Posted: 05 Apr 2019 at 4:20pm
Our D21 35 years ago made 150hp 200rpm under factory rated rpm.
We've run every brand under they sun and never had a complaint in the hp department with allis.
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Joined: 12 Sep 2009
Points: 19566 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 05 Apr 2019 at 5:12pm
Yeah, well I'm just waiting for the first sunny 90 degree day working the snot out of it to hear how the new turbo and coolant temps are doing. Nowhere in all your posts did you ever say how much boost this tractor would produce when under load. I'm beginning to think you had (or still have) a leaking intercooler gasket to the cylinder head or a (now replaced) rubber hose on the crossover tube. They do fail and they still run....just not as good as they should run. That would explain lazy slower RPM performance and would contribute to the heating problem. The newer and more modern/efficient turbo is masking the air leak because it moves more air.
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Joined: 11 Sep 2009
Location: Celina, OH
Points: 1545 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Jordan(OH) Quote  Post ReplyReply Direct Link To This Post Posted: 06 Apr 2019 at 8:03am
You have one sick 220 if a 130hp 7000 will "handle" it.  Btw, a 220 is rated at 136.
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Joined: 14 Jan 2019
Location: Kentucky
Points: 27 		Post Options Post Options   Thanks (0) Thanks(0)   Quote shieldslx13 Quote  Post ReplyReply Direct Link To This Post Posted: 06 Apr 2019 at 11:07am
I am fully aware a 220 is 136, just making a point of how hot the 7000 is. The previous boost #'s were 14-16 2550 under full load. 8-9 at 1600. Now it's 14 at 1600 and 18-20 at 2550. I appriciate all the feedback guys. I've built quite a few engines. I've already replaced all gaskets more than onnce. Also coated the intake with starting fluid trying to find a leak.
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Joined: 13 Sep 2009
Location: Walnut IL
Points: 4780 		Post Options Post Options   Thanks (0) Thanks(0)   Quote injpumpEd Quote  Post ReplyReply Direct Link To This Post Posted: 06 Apr 2019 at 11:13am
this one could be one of the odd ones that has cam gear slipped of something odd like that. Trust us all when we say, that isn't normal for a 426 to act like that lol! That must be one hot 7000 lol! 
210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!
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Joined: 14 Jan 2019
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Points: 27 		Post Options Post Options   Thanks (0) Thanks(0)   Quote shieldslx13 Quote  Post ReplyReply Direct Link To This Post Posted: 09 Apr 2019 at 7:26pm
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Joined: 14 Jan 2019
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Points: 27 		Post Options Post Options   Thanks (0) Thanks(0)   Quote shieldslx13 Quote  Post ReplyReply Direct Link To This Post Posted: 09 Apr 2019 at 7:28pm
Finally got rid of the garden hose that was running to the ic
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Joined: 14 Jan 2019
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Points: 27 		Post Options Post Options   Thanks (0) Thanks(0)   Quote shieldslx13 Quote  Post ReplyReply Direct Link To This Post Posted: 09 Apr 2019 at 9:38pm



Old vs new intake crossover
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Joined: 14 Jan 2019
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Points: 27 		Post Options Post Options   Thanks (0) Thanks(0)   Quote shieldslx13 Quote  Post ReplyReply Direct Link To This Post Posted: 10 Apr 2019 at 8:00am
My 220 will be getting the same setup and a front mount air/air intercooler
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