Thread: FWD to RWD

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A 240SX was a rear drive car from the factory so it isn't impotant to this discussion. Not sure if you really need to "clip" the front. It would be necessary to fabricate a crossmember to mount the engine to. It also would probably be necessary to modify the firewall and transmission tunnel (or to fabricate one). This doesn't include the modifications to the dash panel, air conditioning system, and center console.

The front strut suspension would work as is (pulling the axle wouldn't change the way the suspension is mounted) but installing a V-8 (maybe a 340 HP, 4.5L from a Q45?)would probably require stiffer springs and struts.

The rear is open to your imagination. You can hang a S-10, or Mustang live axle out back but you'll probably need to narrow it as required. Depending on the donor car for the axle (or modifications), you can either use leaf springs or coil-overs. A four link would not be out of the question either.

You could either modify the OEM unibody structure as necessary, or make a subframe to mount to the unibody.

Is this an easy job? Nope. Will it be expensive? Depends on your metalworking skills. If Ford can shoehorn a Mustang Cobra driveline into a Focus, you can put a V-8 (or V-6) in a Maxima.