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Alan Roehrich · 04-09-2010, 07:43 AM

Use a 6.125" or 6.250" rod, and as good a set of heads as you can get. It will want plenty of compression. Only two problems you have are the 4 bolt main 400 is weaker than the two bolt main, and most large journal 327 cranks are cast, not steel, neither of which is great for high RPM, which is what a big bore short stroke engine does best. Just don't put it in a heavy car, especially not with a tall gear.

04-09-2010, 07:43 AM	#7
Alan Roehrich Veteran Member Join Date: May 2006 Location: Murfreesboro TN Posts: 5,125 Likes: 1,583 Liked 1,880 Times in 422 Posts	Re: odd ball engine combo Use a 6.125" or 6.250" rod, and as good a set of heads as you can get. It will want plenty of compression. Only two problems you have are the 4 bolt main 400 is weaker than the two bolt main, and most large journal 327 cranks are cast, not steel, neither of which is great for high RPM, which is what a big bore short stroke engine does best. Just don't put it in a heavy car, especially not with a tall gear. __________________ Alan Roehrich 212A G/S