Cliffords Posted May 16 Report Share Posted May 16 Do they share any common parts ? Is there much on a 907 that fits a 912 . Thanks David Quote Link to comment Share on other sites More sharing options...
pbharcourt Posted May 27 Report Share Posted May 27 The 912 is basically a linear development of the 907, so with the right bits it is possible to upgrade the 907. Have a look at Lotusbits web site as they did have an article listing the upgrades available just using genuine Lotus parts from later models. The main parts are : a long stroke crank, shorter pistons, cams with different timing and different ignition timing. It's also possible to fit the later HC head to a 907. Quote Link to comment Share on other sites More sharing options...
drdoom Posted May 27 Report Share Posted May 27 Not to be underestimated is the improved main bearing panel and sump introduced with the 912. Quote Link to comment Share on other sites More sharing options...
Drawfiler Posted Tuesday at 09:42 Report Share Posted Tuesday at 09:42 With the new sump you may have to change the power steering pump. You don’t need to alter the carbs if you don’t want to but I think that Lotusbits now market a replacement jet set. I haven’t done this as my Carr runs pretty well on the old ones. Quote Link to comment Share on other sites More sharing options...
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