Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB

Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB (https://www.ft86club.com/forums/index.php)
-   Engine, Exhaust, Transmission (https://www.ft86club.com/forums/forumdisplay.php?f=8)
-   -   FA20 vs FA24 (https://www.ft86club.com/forums/showthread.php?t=141725)

solidsnake11 08-02-2020 11:01 PM

I would start by ordering some cheap head gaskets for both fa20 and fa24 then compare them.

Eaton PSI 06-01-2023 11:18 AM

Did anyone ever compare the head gaskets?
The FA20 block doesn't have enough wall thickness to sleeve out to 94mm. Below the water jacketed area around the crank case is quite thin. 90mm pistons is as big as you could safely go.


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