I am experiencing some clipping in the whitest areas of my cgi renders. The source files are 32bit fp tiff sequences. I know flame can only support 16bit tiffs but the cgi renders look fine in After Effects once I interpret the footage using the “Preserve RGB” color management option. Is there a LUT in flame that i should be using for these renders so my whites do not get clipped?

Have you explictly set 32bit processing in AE? 
Try setting your AE project to 16-bit and see if it still clips.

If it is very small gradiations near the 1.0 white point, then dropping from 32bit FP to 16bit FP may cause some loss of detail.  Can you get the exact values from Photoshop and/or AE and see how small the differences are in 32bit?  You may need to adjust the renders, bring them in twice, and use logic ops to keep the detail.

Hope this helps,
-Scott