Advice on prepping frame for mild mod v8 swap

[BluJay614]

Been planning on V8 swapping my Ranger, initially going for a 302, but have shifted to a 351w. Planning to do mild performance modifications(aluminum heads, upper/lower intake, cam, headers, dual H-pipe), targeting ~300hp at the wheels(est 375hp at the crank, assuming 20% loss in efficiency of drivetrain), staying 4x2, Explorer front accessory drive, upgraded internals 4R70W, Explorer 8.8 with Eaton TrueTrack (3.73) swapped in. While I've realized that I may have been a bit focused on the engine, preparing the transmission for accepting the higher amount of power, swapping springs to stronger springs(eg Ranger HD leaf springs), adding a traction control spring and rear sway bar(not one from the factory)... I'm finding my mind turning to the frame. Does anyone have any advice on what my options are, and the pros and cons of these different options might be? Focus of the power band is going to be low end/mid range torque over top end HP, trying to give some improvements to the capabilities of the truck, mostly on road with some light off road usage here in the Texas Hill Country.


Don't know how much it matters, but I do have coil springs in the front, not a torsion bar. 02 Ranger XLT w/2door ext cab, 125 wheelbase.

 

[85_Ranger4x4]

I doubt the frame will have an issue if it is sound now.

If you are planning on doing any offroad think long and hard about staying 2wd before you commit this much time and money to a build.

 

[BluJay614]

I doubt the frame will have an issue if it is sound now.

If you are planning on doing any offroad think long and hard about staying 2wd before you commit this much time and money to a build.

I'm not planning on doing any serious off roading. There's plenty of dirt/gravel roads and driveways out here, or where it's more of a trail then even a dirt road. A few times I've needed to be out in a field, but nothing too much more than that. Besides, if I'm going 4x4, I need a completely different frame and may as well just buy a new truck.

 

[85_Ranger4x4]

I'm not planning on doing any serious off roading. There's plenty of dirt/gravel roads and driveways out here, or where it's more of a trail then even a dirt road. A few times I've needed to be out in a field, but nothing too much more than that. Besides, if I'm going 4x4, I need a completely different frame and may as well just buy a new truck.

And that is why I mention getting it sorted out now rather than after you get done and wish you had started out with a torsion bar truck.

 

[BluJay614]

And that is why I mention getting it sorted out now rather than after you get done and wish you had started out with a torsion bar truck.

Okay, just so I can have a bit of clarification... I'm getting the message that I should buy a new truck(to me, eg not coil spring, or at least a torsion bar frame to swap the body onto if that's possible) if I want my tires to touch anything but pavement. If that is correct: would you please explain why? If that is incorrect, would you mind clarifying your stance so I can understand where you are coming from better?

 

[85_Ranger4x4]

Okay, just so I can have a bit of clarification... I'm getting the message that I should buy a new truck(to me, eg not coil spring, or at least a torsion bar frame to swap the body onto if that's possible) if I want my tires to touch anything but pavement. If that is correct: would you please explain why? If that is incorrect, would you mind clarifying your stance so I can understand where you are coming from better?

In terms of stance I have no stance.

I only mentioned it because rework sucks.

On something like that it would really suck if you had the "dang I wish it was 4wd" after the fact.

It was just a "are you really sure?" thing, nothing more.

 

[bobbywalter]

chassis are good unless you cut them up severely for fitment.