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Hi,
I have recently blown my FA20D engine with catastrophic bearing failure on the big ends.
Engine was recently supercharged, and I can only assume the engine failed due to running 0W20 oil.
I am now in the process of a rebuild using a FA24D short block and FA20D heads machined to fit.
This will theoretically allow a cleaner install rather than going over to a FA24.
Build includes
Closed deck
Nitto I-Beam Rods
CP pistons 10.6:1 compression
ACL race bearings
ARP 14mm head studs
ARP case bolts
1mm oversized valves
Pocket port on cylinder head
Harrop TVS1320 supercharger with 65mm pulley that is going for a port job with Jokerz in the US
72mm throttle body
Stage 2 interchiller
Oil cooler
PWR radiator
Injector Dynamics 1050cc injectors
Link ECU plug and play for BRZ
Obviously do not want another engine failure like before.
I will be running Motul 300V 5W40 this time.
Backed off the compression attempting to get some more reliability.
Will be throwing more at the vehicle in terms of transmission, fuelling, and other supporting mods.
Not sure what power level to expect from this setup?
Also not sure if this is going to end in another tragedy like the original engine.
Happy to hear everyone's thoughts.
Brendon
Autopsy
Attached Files
IMG_20261109_102302_990.jpg
- IMG_20261109_102305_363.jpg
- IMG_20261109_102307_950.jpg
Current build
Attached Files
- Attachment-7-2.JPG
- Attachment-8-1.JPG
