Domo Posted September 16, 2018 Report Share Posted September 16, 2018 I have a 79 265gl fitted with a horrible prv b27a I have already purchased a b21a and m46 I have searched and searched for the answer to my question when I remove the prv b27a engine will my b21a bolt right into the 265 engine subframe are all 200 series subrames the same do they accept all standard oem engines Link to comment Share on other sites More sharing options...
Chuck W Posted September 24, 2018 Report Share Posted September 24, 2018 My '80 264 GLE came with the PRV/auto. I installed a B21FT/M46 from an '83 GLT. All you need is the proper engine mounts. Link to comment Share on other sites More sharing options...
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