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670T engine question
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Joined: 21 Mar 2019
Location: North Carolina
Points: 659 		Post Options Post Options   Thanks (0) Thanks(0)   Quote 8070nc Quote  Post ReplyReply Direct Link To This Post Topic: 670T engine question
    Posted: 3 hours 12 minutes ago at 6:22pm
Did all 670Ts with bosch injectors have the large wrist pins
1984 80780
1957 D14
DES 300 with 25000 engine
616 tractor
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Joined: 12 Sep 2009
Points: 22275 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 2 hours 49 minutes ago at 6:45pm
1982 was M-100 and Bosch nozzles and big pins in the 8000 series and N-series combines for sure. I think the big pin/3-ring piston thing was the fall of 1980 production??  Still a Roosa pump but Bosch injectors.  It would have been at a certain eng s/n break. That's kind of how I remember it.
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Joined: 21 Mar 2019
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Points: 659 		Post Options Post Options   Thanks (0) Thanks(0)   Quote 8070nc Quote  Post ReplyReply Direct Link To This Post Posted: 1 hour 28 minutes ago at 8:06pm
Thanks Doc. The reason i ask is I have a 8070 that has the most blowby ive ever seen. Ive found a 670t thats affordable. I know it doesnt have the counterbalanced crank but no harder than ill use the tractor i think itll be fine. Just have to keep the rpm down to 670t level. It has bosch injectors but no injectoin pump is gone and they cut the injection lines. The stubs appear to have been to a m100 pump
1984 80780
1957 D14
DES 300 with 25000 engine
616 tractor
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