AC Delco - Platinum Professional Spark Plugs Reviews

Spark plugs have come a long way since I first started to drive almost 36 years ago. Back then copper was the big thing now its platinum. We also went from tuneups every 3,000 miles to 100,000 miles now a days. Of course it has also gotten more expensive to do a tuneup for what I pay now I could tune up my car 3 or 4 times back then. — — Why Platinum? — — Platinum is a harder metal and it is not as susceptible to heat as the older style plugs and can give you up to 100,000 miles as opposed to 3,000 back then. Platinum also lowers the energy demand to create… read full review »

pricey but… read full review »