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Old 10-28-2015, 12:30 AM   #1
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Year: 1954
1954 chevy Engine Swap

Hello I have a 1954 chevy bus that is 28ft long from front to back. It has an addition on top and a back deck. I am sure it is fairly heavy. The old inline 6 chevy threw a rod through the oil pan. So I ended up taking out the old axles because I never had brakes (besides the tranny brake) and swapping them for newer chevy axles with disk brakes and a new booster and master cylinder combo. Now I want a different drive train. I want something affordable 3k and under. I want something fairly simple to install. I am leaning towards a 5.3 or 6.0 swap. (Newer Chevy LS engines) I have friends who have done them. The only thing I have against them is they make their torque at higher RPMs. I want something reliable that I can drive anywhere. Anything thoughts? I have thought about a DT466, chevy 454, or cummins 5.9 I am open to all suggestions.
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Old 10-28-2015, 01:34 AM   #2
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Engine: 190hp 5.9 Cummins
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5.9 Cummins, 8.3 Cummins Or a DT360, DT466, DT530

Diesel only,Nothing gas powered.

Nat
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Old 10-28-2015, 01:42 AM   #3
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Probably the best swap would be to the 5.9 Cummins since its rpm range is
pretty close to the old 235 cu in six that was in there but with a ton of more torque
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Old 10-28-2015, 09:22 AM   #4
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Has anyone done a 5.9 cummins swap? Are they very difficult? I have never swapped an engine before but I am decent at fabricating and have some engine knowledge.
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Old 10-28-2015, 10:11 AM   #5
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They've been swapped into everything these days. Even mustangs.
check measurements, it may be easier to fit a 4bt like Tango.
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Old 10-28-2015, 10:58 AM   #6
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Year: 1946
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Unless you want a racer, a 4BT would indeed make for an easier fit and provide plenty of grunt. You can find an all mechanical for less right now than just a few years ago for some reason. And with your frame, it would be a much easier transplant than mine. Hook it up to a 5 or 6 speed Allison and you can get plenty of pull and outstanding MPG with the right gearing. I am shooting for around 25 or better with mine and all the calcs, including those from Allison support it.

That said, the sixes (5.9) are a lot smoother running and do provide a few more HP & torque. If you go for a four, find one of at least 130 HP.

One more note...any Cummins engine can be looked up using the serial number on their "QuickServe" online system. It will pretty much tell the engines whole story whether it's the original specs or reman data.
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Old 10-28-2015, 01:45 PM   #7
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Engine: 190hp 5.9 Cummins
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There are 100 5.9's to every one 4bt.

Nat
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Old 10-28-2015, 02:22 PM   #8
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Can you some how get vacuum from a diesel engine? My master and booster combo I swapped onto my bus is vacuum powered? Is there ANYWAY around this?
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Old 10-28-2015, 02:28 PM   #9
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And thank you all for your input!
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Old 10-28-2015, 02:31 PM   #10
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Tons of diesel powered rigs use electric vacuum pumps and there are add-on mechanical versions as well.
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