I am looking for some help here. I am finaly getting my 92 500E back on the road after a fire ( suspect eng wiring harness related ) over 4 years ago. The question is this I may have the opportunity to trade my stock chip from my 92 500E for an aftermarket chip from a 94 E500. Are the computers the same and since my understanding is that 93 & 94 models were slightly detuned ( maybe just on paper ) is there any value ?. I believe the chip is a Renntech unit. Any input would be appreciated

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92 500E Silver 66k
82 Porsche 911SC 84K
68 Cadillac ( Gone Now )
03 Suburban Z71 200K
85 300SD 217k From Original Owner ( Dad )