gizzmo 3 1 Cars Posted November 13, 2008 have gone to fit 306 rallye sump to my s16 block but have ran into a couple of problems,it seems to have a different internal profile so touches in a couple of places. 1 the plate around the oil pump 2 alternator boss on the outer any one tell me if it does fit after modification with a grinder Share this post Link to post Share on other sites