View Single Post
Old 04-17-2003, 08:12 AM
Vronsky's Avatar
Vronsky Vronsky is offline
Enemy combatant
Join Date: Jul 2002
Location: Amsterdam, Old Europe
Posts: 838
Originally posted by LarryBible
If you will gap them a little tighter than factory spec at .035, you will get a better idle and you can get 30,000 before changes without any trouble as long as the engine is in good shape and running right.

What is the factory gap spec?

.035" is about 0.9 mm. Earlier in this Forum, the recommended gap mentioned was 0.04" (=1mm), claiming a bigger gap gives a bigger spark, giving a better ignition, giving a better idle.
Have my plugs now at 1mm, and engine idle's fine.

'01 DT41 - M54 - A5S 325Z - 482
Reply With Quote