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Does anyone have any recommendations for a trusted mechanic who works on cylinder heads? Need good cleaning and some measurements taken. My story is this. I installed a 9r motor in my zx7. I had to have a motor mount aluminum filled due to the prior owners ignorance on installing a 9 into a 7. I discovered this after starting the motor (the motor started and ran prior to the weld). Anyway after having the head welded and reinstalling the head, I went to turn the motor over and I heard clapping. Uh oh, stopped turning the motor immediately. After reinstalling the 750 and about 2 months of sitting and contemplating I decided to check out the mess. Well much to my amazement the head "looks" to be in good shape. The valves are all there and seem to be straight and seated. I used a straight edge to get an idea of warpage and there appeared to be none. I inspected the pistons for scaring and only saw small marks on the exhaust side of the pistons and valves. I turned the motor manually (low end) to see if everything is on the up 'n up and thing turned nicely. Any problem I have is likely to be confined in the head, and I just wanted to have someone pull the rockers, valves, springs etc. and measure/inspect for bent parts.