I have an 86 300E with a 3.0 and was wondering if parts off of a 90 2.6 will work on it. Like the EHA and the air flow potentiometer?

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Thanks, Nels
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86 300E
93 W250 4X4 Cummins Power
72 F250 Highboy
89 S-10 408ci BBC
custom V Four Chopper
77 Peterbilt 352
83 Jeep CJ-5