v4 wrx vs v4 wrx ra: quick ID?
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10-06-2012, 02:55 AM
1984 AM5, 1994 BC4,
WRX and WRX RA had the same engine (shim over bucket) 7500 rpm redline.
WRX STI and WRX STI RA also had the same engine (shim under bucket) 8200 rpm redline.
Both redlines are optimistic with stock rods though.
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