Amit, I'd suggest you read through this thread:
http://www.allmetalshaping.com/showt...highlight=Buck
There are a ton of life lessons as well as how NOT to scratch build a car. Still and all, you should find some nuggets of wisdom in there.
Also look at John Alba's 550 Spyder build:
http://www.allmetalshaping.com/showt...highlight=Buck
Tom Poulter is also building a Cobra. He has been building an exceptional buck and will soon start on the body.
http://www.allmetalshaping.com/showthread.php?t=1064