C34 Stagea RS4S
Standard RB25DET Neo with ARP Headstuds and MLSR Gasket.
Bosch 1000cc injectors
Walbro 460
Standard neo inlet plenum w/rb25 s2 throttle body
6 Boost Low Mount Manifold
Turbosmart Gen V 45mm wastegate (recirculated)
Pulsar g30-770 (0.72 rear housing)
3.5"intake pipe to clear mounts, 3.5" dump to 3" exhaust
Link G4X Ecu
380 hp on 98 octane, 478 HP on e85 (mainline hub dyno)
Video of Earlier Run
VID_300701109_043404_458.mp4
Final Dyno Sheet:
How fast are you doing the downshift? 4th gear was revised multiple times until 1998 to fix this issue. Synchro clips can fall out, synchros can wear. Most likely you're looking at a new transmission unfortunately. If you need to limp it until then double clutch downshifts into 4th.
Sorry I was being harsh there, but am I wrong? You can buy a M340i easily, and there's loads available second hand. A lot more workshops modifying them as well. How about getting parts for them?
Don't get me wrong, I'd love a 400R, even a 4cyl (I looked at a few V36s before buying my shitbox BMW). Sadly Infiniti died in Aus and we're stuck with importing them as niche vehicles.
Supply and demand
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