Category: Engine

LS1 & LS2 Small Block Chevy motors, come on in! There is a lot to cover here, so please ask questions or post comments so we cover the topics you want to know about.

Oil Catch Can

Should you use an oil catch can on your 2004-2006 Pontiac GTO? Absolutely! The PCV (Positive Crankcase Ventilation) system used on General Motors LS engines uses the intake manifold to burn off unwanted crankcase fumes. These fumes contain oil that goes right into the intake manifold. Oil in the intake manifold means oil on the …READ MORE

Oil Change

The recommended oil change on 2004-2006 Pontiac GTO is every 3000 miles according to the service manual maintenance schedule. Most of today’s synthetic oil claims you go as long as 5000 miles, and some even claim up to 7000 miles before you need an oil change. I personally say you should follow the guidelines set …READ MORE

Spark Plug Wires

Spark Plug Wire 101 The purpose of spark plug wires is to carry electricity from the ignition coils to the spark plug. This causes the spark plug to spark and ignite the fuel mixture in the combustion chamber. The ignition coils on the 2004-2006 Pontiac GTO can carry up to 40,000 volts of electricity. The …READ MORE

Spark Plugs

INTRO It has come a time in your maintenance schedule for your 2004-2006 Pontiac GTO to have the spark plugs changed. The service manual recommends changing the spark plugs at 100,000 miles. The maintenance schedule is the same for both the 2004 GTO with the LS1 engine and the 2005 and 2006 GTO with the …READ MORE

Air Filter

The air filter is often an overlooked part. A dirty and clogged air filter can cause more damage than you think. Insufficient flow of air to the intake means that the engine has to work harder. Excessive heat is an engine killer. Also, the air filter allows clean air to enter the intake so the …READ MORE

2004-2006 GTO Drive Belts

2004-2006 Pontiac GTO Drive Belts replacement. If it is time to replace the belts on your 5th generation GTO, you came to the right place. The owner’s manual recommends changing the belts every 150,000 miles. I personally think this is way too long. Dayco recommends inspecting your drive belts at 60,000 miles and replacing worn …READ MORE