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Home >> GMC >> 1973 >> Jimmy 5.7L Eng, Not Available Trans, _NA_ >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Tune-Up - V8 >> Engine Identification
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Engine Identification

Engine Code letters are suffix of Engine Identification Number. Number is stamped on pad on front right hand side of cylinder block.

Application Code
307" Man. Trans. TCT, TCU, TCK, TCR, TCD, TCB, TCX, TCJ
307" Auto. Trans. TCH, TCY, TCA, TCC, TCS, TCW, TCL, TCM
350" Man. Trans. TJB, TJC, TDY, TJH, TJM, TJR, TJW, TJJ, TJK, TJH
350" Auto. Trans. TJA, TJZ, TJY, TJX, TJS, TJT, TJU, TJL
454" Man. Trans. TRA, TRJ, TRC, AJT, TRK, TRR
454" Auto. Trans. TRL, TRB, TRH, TRK