Originally Posted by whyholdback
How is this even a question? The S-10 has amazing aftermarket support, V8-swaps into them are common, you can get parts / service anywhere, easy to get an S-10 to pull 1g cornering, cost is 10% of the Heidt's-type stuff, big brakes can be done with G-body parts, which has all the advantages just listed, while a Heidt's-style only has the advantage of looking pretty IF it is fully exposed for all the world to see.
I would bet that if you part out what you don't need from the s10, you will have nothing invested in the rolling chassis but a lil time, it will pay for itself. Personally, I have more time than money so just another reason I would go with the s10.