will a 1991 k1500 chevy 5.7 engine be compatible in 1998 chevy k1500 that had 5.7

Asked by Dec 02, 2013 at 03:44 PM about the 1998 Chevrolet C/K 1500 Cheyenne Extended Cab SB

Question type: Maintenance & Repair

will a 1991 k1500 automatic 4x4 5.7 engine fit (replace) in a 1998 k1500 automatic, 4x4 that has a 5.7 engine without changing electronics?

2 Answers

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It will not be a straight forward the 91 is a obd1 system and the 98 is an obd2, so some electronics and manifolding will have to be changed.

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A vortec and throttle body have diferent degree heads.intake off vortec will not bolt tohead ofthrottle body engine.

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