Few cylinder heads have hit the small-block Chevy world with as much impact as the GM Performance Parts Vortec iron cylinder head. By now you already know that the Vortec head offers outstanding ...

Well like most, I had heard the pros and cons of each style, some myths and some real. The biggest change one would expect would be a gain of upper end breathing (more HP) at the expense of lower end ...

The TPI intake lived in the hearts of C4 Corvettes for seven years before the "Gen II" LT1 small-block replaced it in 1992. During that span, the Corvette and its mountainous low-rpm torque were king.

I have a 1990 C4 (fourth-generation Corvette) with a stock 350 L98 TPI/4L60 combo. I want to increase performance and efficiency, but I don't want to go the LS route. I'm considering a 383-stroker ...