Yep, straight in at 12 o'clock = no go.
Fully in & turn 90 degrees to 3 o'clock = max flow with no issues - GC8, '97 Outback & old gen1 Lib.

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MY99 WRX sedan WRC blue Sold :(
MY99 WRX sedan Dark blue pearl :D
MY97 Liberty Outback Ltd Wagon
1990 Mk3 Supra turbo fully rebuilt 7M-GTE (Older son)
1991 Celica GT4 (Younger son)