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 …

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 seems as …

Nov 23, 2025 · Hello All, Just looking to see what I should gap spark plugs to with a 454 using an Edelbrock 35830 EFI kit? I read 0.32-0.45, I'm leaning towards the high side. Thoughts? Thanks, Tom

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 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 …

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 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 …