Articles by anthony

Compression Calculator Simply fill in the form below to calculate your compression ratio...

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**DO NOT TORQUE ROCKER NUTS TO 20lbs AS STATED IN PONTIAC SHOP MANUALS**

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Edelbrock Aluminum Heads- D-Port vs. Round Port There are many questions regarding the types of Edelbrock Aluminum Pontiac Heads. They can be quite confusing. Here at Butler Performance we...

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Feeding a Carbureted Engine with an EFI Fuel Pump It is becoming more and more common for people to use an in-tank electric pump to feed a carbureted engine.  Many new engines simply do...

Block Dipstick Tube Installation using BPI-1001 Start by lightly sanding /polishing the larger end of the tube so it will slide in a little easier. Next, insert the small end of the tube into...

Here at Butler Performance, we get a lot of tech questions. Some of the most common questions regard cooling the Pontiac engines and water pumps. We have taken some time to show the difference in...

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...

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...

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....

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

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

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

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...

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...

    ***The Morel lifter was updated in 2021 with a new oil band location and Comp Cams released the 85701 which is a replacement version of the 857 in...

Butler Spec Head Gaskets There's a reason we designed our very own head gaskets, it's because we know Pontiacs. Felpro gaskets have been used on Pontiac engines for years and after many...

Pontiac Trans Am Shakers and Drop Bases The Pontiac shaker was iconic on the 70's Trans Am's. When you pressed the pedal and would rev the engine it literally "shook" giving it the...

Pontiac Rockers Rocker Types There are 3 basic types of rockers for Pontiacs. OEM Style Steel tip rockers, roller tip rockers, and full trunnion roller rockers. The differences are obvious...

Spark Plug- Information Spark plugs do not create heat, they can only remove heat. The spark plug works as a heat exchanger by pulling unwanted heat away from the combustion chamber, and...

Old style vs new style rpm heads There are a difference in Edelbrock RPM heads made before 3-15-2002 and after. Here we show you the difference.   Heads made prior to 3-15-2002 have...

Pontiac Performance Upgrades- Butler Built Bottom End Bottom End Block- Stock blocks are all fine for the majority of Pontiac performance builds. Unless you want extreme, high...

Overheating? - Try our check list Cooling has long been an issue in performance enhanced gasoline combustion engines. We recommend engine temperatures not in excess of 180 degrees (F). The...

Valve Cover Buying Guide One of the most popular topics in about the Pontiac engine is valve covers. This includes questions about functionality, style, originality, and customization. Let us...

<!doctype html> Pontiac Ignition Systems There have been vast improvements over the years in the area of ignition systems. The flow of electricity from the distributor through the...