![]() A minor amount of wear is of no concern, however, if the filter is loaded with debris, the engine should be disassembled to determine the cause. Simply remove the filter from the engine, cut it open using an oil filter inspection tool (such as Longacre’s LON77750) and inspect the filter media for bearing material. Always a good maintenance step, checking for debris in the filter a couple times each year can provide an early warning of potential issues. Air leaking from the cylinder to the intake, for example, indicates an intake valve that is not seating properly, while air leaking into an adjacent cylinder or bubbles present in the coolant with the radiator cap removed are likely caused by a blown head gasket.Įngine condition can be further verified by performing an oil filter inspection. For example, if when performing a leak down test you encounter a particular cylinder that is leaking significantly, simply listen at the crankcase breather, intake, and exhaust to determine the source. A leak-down test, however, can help pinpoint a potential problem. If a particular cylinder has a low compression reading, further investigation will be required. Regardless of which test you perform, results should be relatively consistent from cylinder to cylinder. Both tests are pretty straightforward, however, a leak-down test requires a compressed air supply and the engine’s harmonic balancer to be marked in 0 deg., 90 deg., 180 deg. A compression tester ( Allstar Performance ALL96520) or leak-down tester (Total Seal TOT14MMLDT) are required for each task. If the overall condition of the engine is in question, it may be a good idea to perform a compression or leak-down test. Most maintenance services can be performed by nearly anyone who is mechanically inclined or has the initiative to learn the procedure through a how-to video on YouTube. Proper maintenance allows you to diagnose and repair mechanical problems promptly, typically with less impact on the pocketbook than when they are delayed. ![]() It’s certainly a good time to perform preventative maintenance and do a thorough mechanical inspection, particularly if there were any issues that existed prior to storage, such as a loss of power, unexplained noises or fluid leaks. If you drove your race or performance car into the garage last fall and haven’t touched it since, it’s probably time to start getting it ready for spring.
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