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Toro Flow Diesel Engines For GMCs that came with the Toro Flow Diesel Engines |
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DT478 Information
I picked up a 1965 DT478 this week. Looking for more information about it. Literature, etc.
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Re: DT478 Information
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1961 GMC Suburban 305A Overdrive 1962 GMC Utility 305D |
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Re: DT478 Information
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Ed Snyder Medford, Oregon 1962 1000 Pickup 401M & Muncie 318 with overdrive 1962 K1000 Suburban 401M & SM420 1967 CM1500 pickup 351E & NP435 |
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Re: DT478 Information
Great information. Thank you. I’m going to see if I can fill in the chart.
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Re: DT478 Information
Very rare engine, only used in rear engine bus chassis that had Superior bodies built for a military (U.S. Army) contract. Sometime in the late 70's early 80's the remaining buses were re-engined with small Cummins V-8's I believe. Too bad you don't have the turbochargers or intake/exhaust pipes. There were marine turbocharged D478 Toroflows, but I do not believe they were stamped 'DT478'.
Last edited by BobBray; September 22nd, 2024 at 03:34 AM. |
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Re: DT478 Information
(Edit) I’m scouring my Master Parts book and I’m changing my opinion. They used radiator hoses in place of oil. Just need to figure out the routing for the passenger side.
From the reference picture above, it shows an oil cooled turbo, but I’ve got two loose coolant hoses on top, so I’m thinking water cooled? Last edited by Jmccal; September 21st, 2024 at 10:21 PM. |
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Re: DT478 Information
Old photo I took from the Jolly page but could not find it again. I Posted here to save for future reference.
Here’s one used in a boat application. https://67-72chevytrucks.com/vboard/...d.php?t=501413 Quote from Alanorion: “Just an update after using the engine for 18 months in the boat. It has been totally reliable it has not used any oil it starts first time every time with instant excellent oil pressure. As I said before I found a local supply for parts and I now Know of an engineer who has experience of these engines. They were used in the mining industry for various stationary and heavy machinery use. Of course there is no chance of over revving the engine in a marine installation as the propeller size limits the revs in my case to 2500 revs relying on the torque of the engine and not the BHP. In all I am delighted with the engine and its performance” A video on one Listed as a Cummins DT478 https://youtu.be/YZdVILqKwy4
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1961 GMC Suburban 305A Overdrive 1962 GMC Utility 305D |
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Re: DT478 Information
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The Following 2 Users Say Thank You to BobBray For This Useful Post: | ||
Funky61 (September 22nd, 2024), lizziemeister'sV6 (September 22nd, 2024) |
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