Jun 12, 2005 · Here's the problem, the stihl setting gage seems to set the air gap too tight, like 0.004" measured between the ignition module arms and the flywheel magnets using a feeler gage set. It …

Apr 12, 2018 · It's SOP to inspect & gap new spark plugs to your desired gap before installing them. They could have been dropped, thereby changing the gap, etc. NEVER assume they are gapped …

Nov 6, 2024 · Building a 454 030 overbore and pre gapped rings are 25/26 thou gap. That is a bit more than I would like. Mild street build. Naturally aspirated. ok, or do I have to buy file fit that cost a …

Apr 3, 2025 · I'm not sure what gap my spark plugs should be. I have a 10 to 1 compression 496, iron heads that were redone with bigger valves etc. by a pro engine builder. I'm using Pertronix flame …

May 25, 2011 · Manual recommends .008 to .012 (.2 to .3 mm). My factory set gap is currently at .004 (.012 mm). Should I re-gap to manual's specs or leave it alone. What kind of trouble could improper …

Dec 3, 2020 · Closer gap and/or faster speed = higher induced voltage. Since the field can only build when the points are closed and drops when the points open, the timing of the ignition points is also …

Apr 11, 2025 · The gap now measures .023. The second measures .012. I imagine .023 is too much and I should replace the ring. What do you all out there think? Also, do you think that .012 is too much, or …

Jul 22, 2025 · Spark plug gap 1 reading Jump to Latest 748 views 5 replies 5 participants last post by David Ray Jul 25, 2025

Jan 30, 2006 · Can anyone tell me what the spark plug gap on a 454 should be. I changed the plugs on my 454 and it seems as if it is missing a little at low RPM. Does anyone recommed a good spark …

Jul 28, 2012 · I've seen and read many comparisons between the Victor Jr and the RPM Air Gap, and the victor (pardon the confusing pun) was always the Air Gap below 6500 rpms. However - I haven't …