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344 4 cyl diesel
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DMiller View Drop Down
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Joined: 14 Sep 2009
Location: Hermann, Mo
Points: 29555 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DMiller Quote  Post ReplyReply Direct Link To This Post Topic: 344 4 cyl diesel
    Posted: 22 Jan 2018 at 5:11pm
Just wondering if anyone remembers any of the 7000 series or the 344's having a inline injection pump on them? The old AMBAC systems are getting darn near impossible to get parts for.
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SteveM C/IL View Drop Down
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 7999 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveM C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 25 Jan 2018 at 8:07pm
Don't the Ambacs run 1 to 1 with crank? Inline would need  halfed. I put a A pump on my 8070 tractor and had to get the drive gears from a 7000 series for a Roosa to drive it.
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Ian Beale View Drop Down
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Joined: 03 Oct 2011
Location: New South Wales
Points: 934 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Ian Beale Quote  Post ReplyReply Direct Link To This Post Posted: 25 Jan 2018 at 8:43pm
Originally posted by SteveM C/IL SteveM C/IL wrote:

Don't the Ambacs run 1 to 1 with crank? Inline would need  halfed. I put a A pump on my 8070 tractor and had to get the drive gears from a 7000 series for a Roosa to drive it.


I think you're right on 1 : 1.

Wasn't there some discussion of military versions with Roosa pumps on here a while ago?
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DMiller View Drop Down
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Joined: 14 Sep 2009
Location: Hermann, Mo
Points: 29555 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DMiller Quote  Post ReplyReply Direct Link To This Post Posted: 27 Jan 2018 at 8:09am
I may have to look into that Ian. Seems from my Fuel system rebuilder I took my spare pump to the parts limitations don't give him much choice but to not even turn a wrench to it. He stated just the gaskets and such are darn near to exhausted in NOS and no one still making. At least the Roosa/Stanadyne pumps do still have parts available, for now.
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injpumpEd View Drop Down
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Joined: 13 Sep 2009
Location: Walnut IL
Points: 4773 		Post Options Post Options   Thanks (1) Thanks(1)   Quote injpumpEd Quote  Post ReplyReply Direct Link To This Post Posted: 28 Jan 2018 at 12:20pm
never seen a 7000 engine (344) with an inline pump, but they did go from the American Bosch PSB to the Roosa DB. The PSB is driven at engine speed, and the Roosa or an inline is driven at 1/2 engine speed for use on a 4 cycle engine.
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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