The Opti-spark distributor is positioned on the front of the engine underneath the water pump, and works well in its designed environment--when it works. It isn't a matter of if your Opti-spark will ...

Man, time flies. It seems like just a couple years ago when GM introduced the first major renovation of its small-block, but of course, that was back in 1991 for the '92 Corvette. At the time, one of ...

At GMHTP, we cater to all years of GM EFI muscle, and the LT1-powered GMs are no exception. Though today overshadowed by the much-adored LS1 and LS6, the LT1 can be made to run with many of the newer ...