Butler Performance Inc. News

Engine Balancing- Internal (neutral) vs. External (stock) Assembly balancing is a very popular question. Balancing the crank is a method of weighing each part of an assembly and drilling the...

VITON DUAL LIP REAR MAIN SEALS Common Questions: Please read the included instructions carefully to make the installation easier and hassle free.    What is the...

Pontiac Blocks Casting Information 1955-1963 Blocks up to 1963 have side of block casting numbers Up to 1963 have stud oiled heads...

PONTIAC HEAD CHART CASTING NUMBER YEAR & FACTORY APPLICATION CHAMBER VOL# CC'S EXHAUST PORT...

Pontiac Body Types From 1946 to 1960 – “A Body”- Chieftain, Star Chief, Super Chief, Bonneville, Catalina, Ventura From 1961 to 1965 – “A...

Cam Install Section 1- Install with Fuel Pump Eccentric for Manual Fuel Pumps Section 2- Install with a Cam Retaining Washer for use with EFI   Section 1- Install with Fuel...

Pontiac Block Main Cap Identification We get many questions on main cap types on Pontiac blocks. This causes much confusion when choosing dip stick tubes with and without a windage tray....

Pontiac Cast Iron and Aftermarket Valve Sealing We get many questions regarding the intake seal styles on cast iron and aftermarket heads. Pontiac factory cast iron heads came with different...

Keeping a Pontiac engine cool is vital to it lasting. We get a lot of questions regarding timing covers and water pumps. We have taken the time to show each timing cover and address the ways to...