ECM in an Olds Bravada?

[Douglas Ratcliffe]

What ECM is in a 92 Olds Bravada?  I am trying to compare it to a S10 Blazer / GMC Jimmy of the same year.  The Olds is full-time AWD, with standard ABS.  The exception I noticed is the CR is 9.2:1 on the Olds (@200hp!), and 9.3:1 (@160hp) on the Blazer.

Is it a "normal" Chevy 4.3L or some Oldsmobile motor?
Thanks

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