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Depending on your application you may be using a commercial race fuel. This has many benefits including consistencey which is not the case at the local station. Ethenol and other pump additives can cause temperature increases causing all kinds of issues with smaller higher performance engines.

Regardless of the reason you deside to run a race fuel, it is important to take a few steps to protect your engine and fuel system from the negative effects of these products; particularly those w...

The best way to know if your engine is in optimum condition between rebuilds is to leak test it every few races. This will alert you to problems early, and in the case of a tight valve you may be able to adjust clearance before damage to valve and or seat occur.

A problem we see from certain popular race fuels; is deosits left behind in the combustion chamber that are not only corrosive, but are causing poor sealing of valves. Testing will also show if any of this nasty "sand like" mete...

I often hear of people who mix up valve lash (clearance) inspection/adjustment with a valve job. The latter actually refers to refurbishment of valve seats & faces and measurement & inspection of all related valve train components; valve clearance checks are simply routine maintenance.

The job of a valve seat is more complex than most people realize, but I will explain the basics to help you understand the importance this part of your engine plays in the performan...

So you went to a manufacturer, dealer or swap meet and bought yourself a racecar and had your expert buddy help you set-up, scale etc. Then your cool new numbers and graphics showed up. You purchased gear sets, extra wheels and all that stuff that you tell the wife/girlfriend cost about 15% of actual price! Now you just go to the local wrecker, pick up a used motorcycle engine, have someone leak test or compression test it, install it with fresh oil & filter, fire it up and go enjoy an ec...