The hard part is finding the sweet spot for the gap. Upgrading to platinum or iridium plugs with a colder heat range (to dissipate heat more effectively) is a common practice for tuned engines Unfortunately, in my experience, plugs aren’t going to be a long term thing when tuned like we are
How to Gap a Spark Plug: 8 Steps (with Pictures) - wikiHow
So i just use stock and replace when needed and sooner than say step colder, etc
When upgrading or tuning your vw or audi, paying attention to spark plug heat range is critical
The heat range determines how quickly the plug dissipates heat, and using the wrong one can. They're recommending a 15k interval after tuning Since you were already at 13k when you tuned i'd go ahead and change them at 15k so it's an easy reminder to change them again at 30k If you tried to run.
Spark plug gap chart by vehicle with exact specs, torque values, and plug types for 80+ makes and models While many customers utilize the stock spark plug with a reduced gap, or the ngk 91006 (rs7 plug) without issues, it is our recommendation to to use one of the suggested plugs above due to.
