i have to recheck theKB-146 and 236 but here is a KB to look at.
http://store.summitracing.com/partdetail.asp?part=UEM%2DKB278030%2D8&autoview=sku
1.996 CH,.200quench pad that will help with the pump gas.with these you could polish some out of the chamber also or just smooth it.
edit: part 2 of above.

4970797-100_1807.jpg (132 downloads)
Last edited by METAL STORM; 01/24/09 11:56 PM.