I've read over the years that this was the case with regards to the Buick/Olds having the Chevy motors in Canada. It was always surprise to me because all of the later Buick/Olds that I had experience with here in the US had Old's engines. I wonder what was the main driving factor in GM making this decision?The Olds Cutlass were either Buick 3.8 V6, sbc 267 or 305 powered depending on the year, same with the transmission, could be TH200, TH250C or TH2004R. They were mostly non CCC till 86, it could be added as an option, after 86 CCC was added no delete option. The 83-84 Hurst/Olds. 85-87 442 and 88 Cutlass were all Olds 307 powered. The Buick Regal also had the sbc drive train if a V8 was ordered.
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