[cobrashoch]

JimP - If you wait that 3 months the wait may be worth it. The new Viper motors are 500 cu/in and have 500 ponys. I too am curious about the weight of that motor, but it can't be any heavier than a 385 iron head motor. Also there is a performance network out there that knows how to get another 100 ponys or so out of those engines cheap and easy. If Memory serves me right those Viper crate engines all come with the ascessorys to. That is BIG on the expense list.

Mr Fixit - Your buddys dead wrong about Viper motors, as they lead the way for latest thinking about big block thinking and performance. From the head port arrangment to the unbalanced firing order they are in line with current modern thinking of performance engines. We really have came a long way since those 60/70's muscle car days. (OUCH!*%^$@#*&^$#) I hate it to!

JimP - The fabracation issue is a overstated issue I have found. You will find guys that will do this stuff for you. What they are not telling you though is to build a car this way is VERY time consuming though. Your not going to be in a Cobra in the usial 3 to 9 months build times. It will be more like 1 1/2 to 2 years to do this thing right if your objective is to keep the costs down. By the by, when it comes to light weight motors in the front of a Cobra you can't have a "too lightweight" motor. To my way of thinking a LS/6 light weight may counter any advantages you gain over a V10. With the possible exception of the WOW factor and resale value when that time comes.
cobrashock