RE: keep 5.9 or sell it??
Sell teh 5.9. It has not been a great engine. Itys got problems with bearings, needles falling out and air leaks. Also the Picco and LRP will be faster anyways. Top end of the 5.9 is not all that good. You can easily sell the 5.9 on ebay and get the money or at least most of the money you need. You can also wait till the lrp 30 comes out.