That being said, despite Pontiac offering a myriad of V8 engines throughout the company's run, Pontiac never once produced a big block V8. Let's take a brief look at the history of Pontiac V8s for ...

Last month HPP introduced to the readers a 1964 421 H.O. Tri-Power engine build being performed by Jim Taylor. Check out this month's article as we get the built engine on the dyno for testing ...

421 Tri-Power EquippedThe original YJ-code 356-horse 421 Tri-Power engine only had a bit over 30,000 miles on the odometer but was sorely in need of a rebuild.

One of only a handful built in 1963, this Pontiac Catalina with the 421 HO V8 and four‑speed manual delivers 370 hp Tri‑Power ...

A $2,250 option back in 1962, the 421 Super Duty was extremely expensive, accounting for almost 65% of the Grand Prix's MSRP. As a result, Pontiac built only 16 of them.

The performance level of the Pontiac 301 Turbo engine was a major step below that of the previous big-block Firebird engines. The 301 Turbo came in one configuration only — with an automatic ...