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  #1  
Old November 1st, 2009, 07:58 AM
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HELP: drivetrain poll

If you had access to a completely new 110 5-door truck, missing the entire drivetrain (motor/tranny/T-case), what would you choose? The parameters must include: DD for family of 4, tow vehicle-say 10k# capacity, travel/expedition truck, reliability/durability(preferably zero electronics/computer managment) being paramount, as well as parts availability. I have built many trucks, and used Isuzu diesels, GM small block, etc. My current thought is a 12 valve Cummins 5.9(or 4BT, but probably too small), auto, and Atlas twin stick to facilitate 2wd. Or GM crate 400HP motor, 700R, and Atlas. Thoughts?? And cost is an issue- no pie in the sky answers......
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  #2  
Old November 1st, 2009, 09:34 AM
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I vote for the 6bt.
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  #3  
Old November 1st, 2009, 10:31 AM
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Very interested in seeing what you come up with. But isn't **ZERO** electronics/computer management a bit unobtainable in this day and age?

Also curious if the requirements specify a new drivetrain to match the vehicle, or are they willing to go used?
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  #4  
Old November 1st, 2009, 12:35 PM
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6.0 escalade aluminium V8, but you will never get money back out of it if it does not have a rover motor so I would go with a supercharger 4.6 V8.
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  #5  
Old November 1st, 2009, 01:49 PM
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  #6  
Old November 1st, 2009, 02:27 PM
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I want a side bar- whats up ? Thought you just got the apple of your eye just 7 days ago ?
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  #7  
Old November 1st, 2009, 03:04 PM
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Is it a NAS truck? If not id go with the GM.
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  #8  
Old November 1st, 2009, 04:59 PM
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5.7L Tundra drivetrain.
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  #9  
Old November 1st, 2009, 05:24 PM
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Quote:
(preferably zero electronics/computer managment)
Difficult with a gasoline motor unless you just use a carburetor for induction.


Quote:
reliability/durability
Extremely difficult if you are relying on a carburetor.



Then again, if you go with a diesel and the Dalemobile family truckster breaks down in the middle of nowhere you might be faced with finding someone with diesel experience. These days finding someone who will work on a carbureted engine is actually harder I think.

Follow-up Post:

My vote, use the powertrain and drivetrain from a 1996 Discovery. OBDII makes on the road diagnostics incredibly easy, and should you have to find something like a water pump its easy enough to find. No need to use a 4.6 but you can source a GEMS 4.6 if you wanted.

As far as pulling 10K with a 110, I dunno. I am sure its been done but...
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  #10  
Old November 1st, 2009, 05:25 PM
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Interesting question, my opinion is that if towing 10K comfortably is important a diesel is the way to go. Not sure if you can shoe horn an adequate engine into a 110 to tow like that and if you do that kind of torque and HP will need uprated axle shafts and stopping power at a minimum. Point is if you want a 110 that acts like a 3/4-1 ton truck, engine/tranny/xcase are just the tip of the iceberg. The non diesel proponents will make their points but in towing defenders cross country a dozen times in even the biggest gasser truck, I personally see no comparison. Having no experience with the Tundra 5.7, that may be an interesting option if you can fit it but I think that limits your tranny choices without getting significant additional custom adapter cost.

For the DD,expedition, ect concerns you have more options as noted; an all American drive train is probably going to end up with the least expensive and most readily available parts source stateside.

As for cost...well you know it is going to be expensive.
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  #11  
Old November 1st, 2009, 09:26 PM
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Its not the powertrain/drivetrain that limits the towing capacity of the 110 as much as the chassis.
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  #12  
Old November 1st, 2009, 10:27 PM
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the 4bt is plenty, and with proper tuning there can be a lot of torque. They run frito vans all day long i dont see why its to much for an SUV, i actually think the motor is too much torque for stock axles and such.
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  #13  
Old November 1st, 2009, 10:35 PM
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  #14  
Old November 2nd, 2009, 06:43 AM
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Doug- The apple is here to stay, but may be getting a platform in exchange for another customer project- the remains if you will. This would/could replace the LR3 and Ford- and pull the apple to events, etc. Still working on speed issue- glow plugs handled- thanks Pendy!!
Ron- Had a friend who had a blower on a mint +/- 20k NAS D-90 a few years ago, and it was a tough sale in a good market. I would rather live w/ the SBC in this case I believe.
Tis- As you know, I've towed two 90s at a time cross country, and agree on the diesel- but which one produces adequate #s, and still mechanical(6BT)? No doubt axles, brakes etc will be upgraded.
Joel- The chassis is rated for such in low range. We need the comfortable 65mph cruising range...
Charles- prefer new, or at least totally rebuilt, ie 6BT or 4BT, and new tranny/T-case. As far as electronics, meaning single wire like a diesel, and I believe even a crate GM is capable of such w/ it's mini box just to control FI. A carb isn't the end of the world either- being moderately wheeled.
Jon- I know you love the Tundra, but an electrical nightmare, no?
Phillip- SBC-700R-Atlas is high on the list primarily d/t logistics and cost. I would prefer a diesel, but the cost and minimal space may nix that option.
Jeff- thanks, we have worked with Matthew before, doing a 4.3 mated to ZF and he was a huge help. And we are getting the 'truck' as payment, so cheaper to add a drivetrain, and end up w/ a new truck

Thanks all, appreciate all the feedback, and welcome more- especially a decent readily available compact diesel- still looking at Isuzu... and have no issues using a LT230 and/or ZF (prefer autobox)IF we can mate to it effiecently.
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  #15  
Old November 2nd, 2009, 09:27 AM
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What about a tweaked TD5? Sounds like some of the tuners are getting pretty good numbers out of them.

Granted there would be more wires but you would be able to order off the shelf parts rather than custom made bits.
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  #16  
Old November 2nd, 2009, 09:37 AM
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puma & 6 speed?
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  #17  
Old November 2nd, 2009, 12:28 PM
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4bd1t + Msa5g + Lt230
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  #18  
Old November 2nd, 2009, 12:38 PM
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I vote not a 6BT.
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  #19  
Old November 2nd, 2009, 12:55 PM
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Just a random thought.


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  #20  
Old November 2nd, 2009, 06:42 PM
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Robert Davis whom you met through the blood bank fridge deal has done a couple of the Isuzu/4hp22
conversions and raves about them. Not sure what the right answer is to get the towing capacity you want. Glad you are keeping the apple that thing is cool.
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