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if I were going to go with a one I would go for the 6.5 with the turbo for the extre grunt and power which would be nice if you plan on going into the moutains and want to pass someone
Well... at the moment I'm thinking I just want a diesel that has all the power I need versus one that has all the power I want. I am focusing mainly on efficiency, also I am looking to achieve 1500-2000 miles between refueling with an auxillary veggie tank. That said, the 6.5's don't seem to have efficiency as their strong point. Maybe I could throw a small turbo on the 6.2... just enough available boost to get myself out of the way when needed.
Thanks for the tip, may not have the torque to move 4500lbs or so up steep grades, I'll look into them though.
It's probably not the most viable of options for a transplants (with all the electronics these days) but the tuned down eco version has 265 lb-ft of torque, expect a little more out of a stock version.
The eco one gets 57.4 Mpg (US), from experience I'd say it'll get at least that, if not more. That said, it would be in a lighter vehicle than yours. (In the neighborhood of 3500 lbs.
Also, any suggestions for a transmission? I think it would be awesome to put a T-56 in there... that's what I would strive for but a 4L60 would suffice for a slush box.
Also, any suggestions for a transmission? I think it would be awesome to put a T-56 in there... that's what I would strive for but a 4L60 would suffice for a slush box.
yeah go with the T-56 the one in my GTO can take the 400ft-lbs it comes with stock with no problem at all even the viper and shelby GT-500 uses them plus if you get a GM version you can get the skip shift feature which helps with fuel economy.
It's probably not the most viable of options for a transplants (with all the electronics these days) but the tuned down eco version has 265 lb-ft of torque, expect a little more out of a stock version.
The stock 5.0 (Olds 307) motor in the 80's Caprice wagons also had 265 ft lbs of torque at (if i remember correctly) 1800 rpm, with even less horsepower... something like 145-160 hp.
If a stock Old 307 is adequate, perhaps switching to a 2.0L diesel might give you a weight-savings too.
OK, a 2.0l BMW diesel in a Caprice wagon sounds totally ridiculous to me. First off, you're not getting anywhere close to 50MPG with one in a 4,500lb. aerodynamic brick....newer BMWs are fairly hefty, but not compared to fullsize Detroit iron. BMWs also have the advantage of a ~.32 CD and relatively small frontal area....a Caprice wagon is more like .55 and has a massive, upright grille. It's also going to be ludicrously expensive to buy one and have it shipped over.... and it'll require quite a bit of fabrication work to the motor/tranny mounts. I also question whether the torque peak on one of those would be low enough to get a Caprice moving. It might be, I don't know for certain - but my gut instinct just tells me that something like that isn't suited very well to a gargantuan RWD station wagon.
The 6.5TD is a big step up in the horsepower department. I was under the impression they got roughly the same gas mileage as a 6.2? Here's some EPA figures from fueleconomy.gov for the 1993 (6.2l) and 1994 (6.5l/6.5l TD) 2WD GMC Sierra 1500. The body style of these pickups didn't change over those two years, just the engines. I'm not sure on the gearing or transmissions, but I'm gonna guess that if they're not identical they're pretty close.
1993 6.2l NA 5-sp: 16/20MPG
1993 6.2l NA auto: 16/21MPG
1994 6.5l NA 5-sp: 17/22MPG
1994 6.5l NA auto: 15/21MPG
1994 6.5l TD auto: 15/20MPG
Looks like you're only giving up 1MPG with the 6.5TD, yet gaining between 50-70HP (don't remember exactly)....and the non-turbo 6.5 gets better mileage than any of them. The only downside I see is that a 6.5TD is gonna be much more expensive than a 6.2...
Banks makes a popular turbo kit for the 6.2, but it's pretty expensive new. Might be able to find one used much cheaper, or even a motor with the whole shebang installed already for a good price.
I dunno about the gearing on a T-56 with either one of these diesel V8s.....seems like you'd be doing a whole lot of shifting, unless you had a seriously low (numerically) rear end.....and with a seriously low rear end, the 6-speed's crazy overdrive might bog the motor down too much. These motors redline ~3500rpms so you want something that will keep the revs nice and low.
When I was searching for info on that Banks turbo kit, I came across this page - a 1982 Buick Electra Estate Wagon with a 6.2l + turbo swapped in. This guy is using a THM700-R4 and is getting ~22MPG in mixed driving, so he's probably doing 25-27MPG highway. This car is pretty close to what you're looking to do....it's technically a "C-Body", but they're very closely related. I dunno if he's using the Banks turbo or not, but this makes me even more confident that 30MPG highway would be possible in a Caprice wagon with a stock 6.2/6.5...maybe even more with the right gearing!
The BMW get peak torque from about 1750rpm I think.
I never said it would be easy nor cheap, I even said it would be hard/impossible. That said, you should be sad you can't get it, it's absolutely fantastic.
OP have you looked into getting a nice rebuilt cummins 12V motor that would be a great option and would last forever and you could tune it to give great fuel mileage and it will last 500,000 miles
The BMW get peak torque from about 1750rpm I think.
I never said it would be easy nor cheap, I even said it would be hard/impossible. That said, you should be sad you can't get it, it's absolutely fantastic.
I am sad, I wish we got those cars over here....not that I would be able to afford one for another 10 years, though LOL.
At least we do get the 335d, although the European version of that is slightly (about 30HP) better too....still, I really wouldn't mind 30MPG+, 0-60 in 5.7 seconds and more torque than a muscle car era big block V8...
Now one of those motors would be a great fit in an old Caprice wagon.....but for the price of the motor/tranny alone, you could probably buy a really nice E46 3-series!
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