1990 k1500

Asked by Jun 05, 2017 at 06:10 PM about the 1990 Chevrolet C/K 1500

Question type: General

how do i tell the difference between a 305 and 350
in my 1990 k1500 4x4

3 Answers

580

Pull numbers off block. It should be on driver side on back corner of block where transmission mounts or you can look at your eighth vin digit if all original

what 8th vin numbers would stand for which engines

580

It will be an H if a 305 or a R. For 350. 85th vin digit is engine identification

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