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Old 07-06-2019, 11:37 PM   #26 (permalink)
Taylor95
Master EcoModder
 
Join Date: Aug 2018
Location: USA
Posts: 455

Jeep - '97 Jeep Cherokee Sport
90 day: 19.36 mpg (US)

Blueberry - '07 Toyota Camry SE
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I like that you're making me give a thorough rundown of the cost of this project, rather than an estimate. I will provide the actual cost of things I expect to buy for this project to get an accurate estimate.

1988 Jeep Comanche 4.0L 4wd - $2k
Could be talked down to $1400 due to condition and mileage
-500 from selling the engine, transmission, and transfer case
Net cost: $900

2003 Volkswagen TDI - $2k
(This was cheaper than any sources of a 3.9l cummins engine I could find)

NV3500 - $57 from Pick n Pull on a half day

Wiring harness- can be used from the volkswagen

NP241 transfer case- $144 ebay

Custom driveshafts- ~$600

Front and rear air lockers $1700

Air compressor: $300

Tires and wheels: $1100

4.5" lift kit: $500

Steel for custom rockers: $400

Skidplates: ~$500

That comes out to ~$8200. I would expect to spend at least another $1000 for mating the engine to the transmission, and other things depending on the condition of the engine. So $10k would be a better ball park estimate.

A comparable 3 year old vehicle would be the 2016 Toyota Tacoma or Jeep Wrangler. Those are currently selling for around 30k. A basic 3 year old sedan is around 9-12k right now.

If done correctly, this can be a reliable vehicle. Diesel engines can last a very long time. If I hypermile the truck, it can probably get better mpg than the 10k Corolla. Other Jeep owners report getting an average mpg in the 30-range.

TLDR:
Will it save money? Not compared to buying a sedan, but the fuel cost will be about half of what driving a gasoline Jeep is.

Will it be cool? Yes it will

I would like to add that this would end up being the 3rd-- or even 4th vehicle in my household by the time I am finished. So reliability isn't exactly the greatest concern, though I do expect it to be reliable.
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