The recent posting created by Songman about the purchase of a 1990 Dodge Cummins 6BT as a donor for a FSJ Diesel project has prompted me to revisit this topic of Frame strength.
There is a debate (I would like to say a it's a HUGE debate, but I am sure there would be debate over the size of the debate) about FSJ Frames
Some say the FSJ frames are not strong.
They say the frame is not deep enough and not boxed enough and the material is not thick enough and is soft like butter to use for a Cummins 6BT.
Other say these frames are as strong as any other frame of the same era.
I would like discuss this more and other than just opinions (which are great for a discussion), I would love some more factual evidence.
I've dreamed of a Diesel FSJ for a long time.
Short of struggling to keep a roof over my head, I have not been able to move beyond the planning stage.
I've desired a Cummins 6BT, but the simplicity of the GM 6.2 Diesel swap have caused me to change my plans.
However, the source of this 1st gen Cummins 6BT is being to grow.
A person can find them in others places, like in School Buses and med duty trucks.
But, before anyone can address the issues related to the a Cummins 6BT, a person needs to have a good foundation, a good frame.
One factor is how would one use a 6BT powered FSJ.
A 6BT powered Wagoneer may lead a different life than a J20 tow rig.
Allow me to share my plans (fools fantasy) for a 6BT powered FSJ.
I would like a recovery rig, long range tow rig, dually rear axle, on board air (easy bolt on for a 6BT) and my flat bed would hold a 5th wheel hitch.
What I do with such a rig?
I want to be able to leave NE Indiana and head to the Southwest to collect those toys, like a 70 Nova, 67 Mercury Cougar, 71-74 Javelin, Jeep Forward Control, Fox Body Mustang (for Nathan) or a whole host of other interests that I have.
There is a debate (I would like to say a it's a HUGE debate, but I am sure there would be debate over the size of the debate) about FSJ Frames
Some say the FSJ frames are not strong.
They say the frame is not deep enough and not boxed enough and the material is not thick enough and is soft like butter to use for a Cummins 6BT.
Other say these frames are as strong as any other frame of the same era.
I would like discuss this more and other than just opinions (which are great for a discussion), I would love some more factual evidence.
I've dreamed of a Diesel FSJ for a long time.
Short of struggling to keep a roof over my head, I have not been able to move beyond the planning stage.
I've desired a Cummins 6BT, but the simplicity of the GM 6.2 Diesel swap have caused me to change my plans.
However, the source of this 1st gen Cummins 6BT is being to grow.
A person can find them in others places, like in School Buses and med duty trucks.
But, before anyone can address the issues related to the a Cummins 6BT, a person needs to have a good foundation, a good frame.
One factor is how would one use a 6BT powered FSJ.
A 6BT powered Wagoneer may lead a different life than a J20 tow rig.
Allow me to share my plans (fools fantasy) for a 6BT powered FSJ.
I would like a recovery rig, long range tow rig, dually rear axle, on board air (easy bolt on for a 6BT) and my flat bed would hold a 5th wheel hitch.
What I do with such a rig?
I want to be able to leave NE Indiana and head to the Southwest to collect those toys, like a 70 Nova, 67 Mercury Cougar, 71-74 Javelin, Jeep Forward Control, Fox Body Mustang (for Nathan) or a whole host of other interests that I have.
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