Here's a new First Gear 1938 International pickup, in 1/25 scale. Non-opening hood and a so-so chassis IMHO, but the proportions look right against 1:1 reference pics. These are on sale now CHEAP at your local Tractor Supply and I think these will make a great hot rod project, easy enough to kitbash with a styrene kit such as the '37/38 Ford...
http://www.tractorsupply.com//ProductDisplay?categoryId=162&errorViewName=ProductDisplayErrorView&langId=-1&productId=236502&catalogId=10051&urlRequestType=Base&storeId=10151
Out-of-the-box pic:
And a quick mockup with some cool wheels/tires: