What is the best engine to put into my 1984 GMC Sierra Classic 1500?

Asked by BigLar474 Nov 09, 2021 at 12:09 PM about the 1984 GMC C/K 1500 Series K1500 4WD

Question type: Maintenance & Repair

1984 GMC Sierra Classic 1500

1 Answer

310,565

350 is the most common. But you can go big block 454 with some work.

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