GT40 build – sourcing Porsche G50 / equivalent heavy-duty transaxle (V8 application)

I am in the UK and looking for a transaxle for a GT40 replica build my son is doing in Australia.

The application is a mid-mounted V8 (high torque), and the requirements are:
  • Must be suitable for ~500+ hp / high torque V8 use
  • Limited slip differential required (factory or uprated)
  • Strong preference for Porsche G50 family, ideally G50/52
  • Alternatives considered: Audi 01E or Graziano V10 transaxle if appropriate
  • Road + occasional track use (not full race sequential required)
  • Reliability and parts availability are important considerations
  • Will consider rebuilt, exchange, or core units
We are aware that:
  • ZF units are now rare and prohibitively expensive
  • G50/52 is preferred due to strength and LSD availability
  • Graziano and Audi R8 units are alternatives but require adaptation
  • Spares for Graziano in Australia are limited so this may be an issue
While the g50 is the preference, a g86 or g96 may also be fine

We are based in the UK and will arrange international shipping to Australia if required.

If you have:
  • Any available G50/52 cores or rebuilt units
  • Knowledge of current availability through your network
  • Or can recommend a builder with stock
I would appreciate your guidance.
 
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