LP/Propane vs Diesel?

[rocklaurence]

OK, I got to Cyphering and I believe that converting to diesel is still cheaper than going to propane. My numbers put gas in a FSJ @ $.38 per mile, LP @ $.28 per mile and diesel @ $.23 per mile. This is taking into account my J20 getting 10 mpg on gas, 9 mpg on LP and 18 mpg on diesel. What do you guys think or have considered?

[budojeepr]

I like your numbers...I always worried about LP availability on long Or outback trips.

[Resbum]

Your numbers look good to me. For awhile I considered running the Buick 350 that came in my truck on LP. Along with some other unique querks about running LP budojeepr brings up a good point. From what I researched, it's not just availability, but also finding placing that pump hi pressure. Apparently, a lot of the normal backyard BBQ type filling systems either don't have enough umph to do it or would do it extremely slow. I don't know this from first had experience, but that's my perception from what others have said.

[rocklaurence]

How much is Propane/Lp per gallon in your area? I guestimated $2.50 here in Fl.

[Resbum]

That's what I pay for my 5th wheel supply.

[Carnuck]

How much is Propane/Lp per gallon in your area? I guestimated $2.50 here in Fl.

Same in the non-rip off places here in Seattle. Almost 20 mpg on my last 6 cyl with LPG. $0.125 per mile and my conversion kit (used) was $200 with tanks.

[junkr]

I have an old IMPCO unit in storage (think garage floor under workbench) that I always wanted to play with.It came on a carbuerated (sp) 454 dually I bought for the big block like 20 yrs ago.

[rocklaurence]

Same in the non-rip off places here in Seattle. Almost 20 mpg on my last 6 cyl with LPG. $0.125 per mile and my conversion kit (used) was $200 with tanks.

That is really good milage from a 6 cylinder. Is that your best when driving down hill with the wind at your back or is that your routine combined milage? Most of us average 16 mpg combined city/highway with an electronic injected motor. So, 20mpg on LP is great.

[Carnuck]

Routinely with T5 before it blew up. AW4 is going in with 4.0L and NP208 as soon as I'm able again. I got John Meister's J10 with 258 and T5 up to 17 with his lead foot. I just happen to know how to dial in Carter BBDs.
Spirit of the Eagle (my '82 Spirit converted to Eagle running AW4 and another Carter I overhauled) is doing 25 mpg highway loaded. It just went to AZ and back with minimal probs (other than carb icing)

[nc wagoneer]

OK, I got to Cyphering and I believe that converting to diesel is still cheaper than going to propane. My numbers put gas in a FSJ @ $.38 per mile, LP @ $.28 per mile and diesel @ $.23 per mile. This is taking into account my J20 getting 10 mpg on gas, 9 mpg on LP and 18 mpg on diesel. What do you guys think or have considered?

I'm dealing with the same question. 18 mpg with a diesel, what did you plan on swapping in???