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 …

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 …

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 …

Aug 12, 2017 · This took creating "drivrs" in the HEI module to increase dwell charge time to the coil, store more energy, to make the larger gap function correctly over a point system. Along the …

Apr 22, 2017 · Things that determine resistance is the plug wire conductor (metal conducts better than carbon impregnated fiberglass strands), the spark gap, and the resistance in the plug (the R in the …

Jan 11, 2025 · The Air Gap has bolt holes between the intake ports. My cylinder heads don't have those. I'd probably have to weld those shut. Port matching might be an issue. I did notice that Air Flow …

Jan 7, 2025 · TH350 Stock converter to a BluePrint 350. w/ BP Flexplate (new) I have done the research and just wanted to confirm what I have read online with the knowledge base here. When I go to bolt …

Jun 18, 2025 · The gap should be consistent. I don't know how wide the gap should be but try to get it as close the chrome piece as possible. Roll the door and quarter window up and down to make sure …

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 …

Mar 1, 2018 · The business cars gap is the quickest way of setting and will be fine. As for the tape on that fly wheel I have never seen anything on any flywheel like that on any machine from large to …