maybe i am getting my designations wrong , but isnt my 92 callaway 475 supernatural a cr-1 ? number 0115. my blk 90 that i drag race exclusively has 169k on her so i thought to rebuild her now instead of waiting to scatter parts all over the track. we just got done putting a solid axle ford 9 in under her thats bolt in so i can launch her the way i want instead of wondering when and if i will break something every run .so now seems like a good time to build that 415. at 56 i am not gettin any younger , and business has been good so why not build it , and have some fun freaking them out at the strip . 10sec zr1s would make for tons of fun at the strip . i will pay the loan off in 6 mo.just need and want to give the builder most of the cash up front .so he doesnt have to come out of pocket for the parts which can add up fast. crank 5 k liners pistons and rings 3-4 k,rods 2k,bearings 1500, gaskets 2k porting everything ,springs retainers larger valves 6k . dont want my builder to have to outlay that type of cash up front. doesnt seem right to do it that way .