Re: 1969 Model SJ 4 speed Grand Prix project
FWIW, engine code WF is the 370hp 428, WG would be the 390hp 428 HO. Original tranny should be M20, M21 is 3.90/4.33 gear HO without A/C only.
Pretty rare car, 1 of 333 (includes 3 speed), I don't have a breakdown between the models (J AND SJ).
Very cool car, good luck with the sale.
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