In racing, spark plugs are practically a disposable commodity. Use them for a while and throw them away. If the engine starts acting funny, replace the plugs just in case. It's cheap insurance and ...

#HoodsUpAmerica How To Change & Inspect Spark Plugs. How to change spark plugs in an inline four cylinder engine. Changing plugs in a 1999 Acura Integra is a fairly simple job, however there are some ...