RGILL Posted August 5, 2018 Share Posted August 5, 2018 What is the horse power of the 3800 engine used in the 1990 Reatta ? Link to comment Share on other sites More sharing options...
Barney Eaton Posted August 5, 2018 Share Posted August 5, 2018 The 1989 Buick Product Manual says 165 hp @4800 rpm and 210 torque @2000 I think 1988 -1990 were all the same. Link to comment Share on other sites More sharing options...
2seater Posted August 5, 2018 Share Posted August 5, 2018 The ratings are indeed the same for '88-'90, but there is some conflicting information. These are the power curves available online, and the rpm for the peak hp. is higher than stated. My experience with the vin C variants leads me to believe the '88 peaks at 5200 rpm, and the '89-'90 peak lower at 4800. Link to comment Share on other sites More sharing options...
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