diesel
diesel
Elder User
Joined: Aug 2003
Posts: 727
Likes: 0
From: Texas, just south of NY c
................Awhile back there was a guy named Scott in the 73-79 forum who dropped a 4BTV Cummins (4cylinder) into his truck along with a NV4500 5 speed I believe . He said there were other folks who had also made this conversion and were supposedly getting 30 mpg . He , had the inter-cooler , turbo , and alist of other specific items for the engine that really made it perform . I believe it weighed about 900 pounds which is not TOO much weight for the Dana 44 heavyduty axle . ....sk... 
Hotshot
Joined: Feb 2004
Posts: 11,697
Likes: 3
From: Marengo, Iowa
the International IDI motors weigh in at a thousand or more, so it would begin getting pretty nose heavy... the powerstrokes are electronically controlled, so you have the wiring to deal with there. Not to mention the cost...
Thread Starter
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New User
Joined: Oct 2004
Posts: 11
Likes: 0
4.6
that 4.6 sounds good, any problem with mounts I wonder. I love drivin my truck
but the mileage is killin me.
but the mileage is killin me.
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Post Fiend
Joined: Jun 2002
Posts: 13,873
Likes: 3
From: Atlanta GA
If you think your mileage is killing you, wait until you replace an injector pump for the Cummings at $1975 just for a rebuilt. Going to a 351w stroker will save some weight, but, with a truck as big as a 1969 F-250, I do not see any benefit to NOT having a big block.
A EFI 351W out of a later model Bronco will get about 15 mpg highway, but, the power will be no where near a 410. My tire wornout 390 with poor compression that blows smoke like a diesel pulls almost as hard as a newer diesel.
I looked into this somewhat a while back and I plan on getting a Ford 6.9/7.3 N/A pre 1994 diesel when it comes time for replacement of the 390. Being a 4x4, I need the whole drivetrain and having the motor rebuilt will be about $3000.00. I would not plan on finding any 94 and earlier diesel that did not need a rebuild.
A EFI 351W out of a later model Bronco will get about 15 mpg highway, but, the power will be no where near a 410. My tire wornout 390 with poor compression that blows smoke like a diesel pulls almost as hard as a newer diesel.
I looked into this somewhat a while back and I plan on getting a Ford 6.9/7.3 N/A pre 1994 diesel when it comes time for replacement of the 390. Being a 4x4, I need the whole drivetrain and having the motor rebuilt will be about $3000.00. I would not plan on finding any 94 and earlier diesel that did not need a rebuild.
Last edited by rebocardo; Nov 15, 2004 at 12:34 PM.
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Hotshot
Joined: Feb 2004
Posts: 11,697
Likes: 3
From: Marengo, Iowa
I just looked one up for the Cummins, and the 88-93 pump was $875, and the newer version $1075. Although a bit over twice the price of the IH pumps, I'm sure the reliability is the same as well. The main comparison is that the Dodge is direct injection, which has been preven to produce more power than the IDI setup easier. I have grown up with both, and will say reliability on a direct over an idi is quite noticeable. Why do you think the Powerstroke is a direct injection setup? Don't get me wrong, I'm not knocking the IDI, I own one now, but there comes a price for the power as well, just like any other occasion. It's an individual choice based on needs and wants. If you want to check my prices, look them up on www.realdiesel.com
Tuned
Joined: Aug 2003
Posts: 286
Likes: 32
apples and oranges
A 390 will make nice numbers that are comparable to older (pre Powerstroke, IDI) diesels, but it doesnt compare with current diesel engines.
New diesels will easily put out 200 to 250 lb ft of torque MORE than a 390. Put a chip on a new diesel and the gap is even wider.
New diesels will easily put out 200 to 250 lb ft of torque MORE than a 390. Put a chip on a new diesel and the gap is even wider.