Thread: 1990 chey pick up 4x4

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cams he listed are small so they can work with you engine look at the list he has. if you have your numbers of your cam see how they match up .if yours is bigger then whats listed a chip s just is not going to work . thats from a GM trouble shooter thats played with them . if you get a chip and you can trick the MAP please let me know how it works i seen alot try.... good luck

Pat-not to be indifferent,but Davide Vizard,Lingerfelter performance,Edelbrock,Holley,Accel,all have built roller hyro cam'ed over 500" lift engines on a mod'ed TBI.