The NASCAR pushrod V8 world has no doubt had a huge influence in this too. My personal thinking is that it’s more popular in the US as they have a lot more bigger bore engines in their big V8 cars and V twin motorcycles. But, it’s also a factor built into many, many modern car and bike engines from performance engines in AMG Mercs to humble Toyotas. I tend to agree that the benefits are somewhat linked to a poor combustion chamber design, which is why older bikes and cars benefit so much perhaps. Also, as mentioned above, my own personal experience backs this up. My opinion is that there is a huge amount of literature explaining the benefits of an effective squish band being mainly the ability to allow a higher compression and / or reduced tendency to knock. On that point then we should simply agree to disagree. Weld shops with a lack of experience in correct approaches and techniques. Weld shops with antique machinery and lack of knowledge in setting up sophisticated modern inverter welders like a miller, Lincoln or fronts.Ģ. I think the common idea of many that complex welding would be needed is to a large extent an urban myth dispersed byġ. Admittedly better than no squish or a brick on the head, but ther usee are better choices than "better than a brick on the head". Unfortunately I think (and am sure that would be also according to findings of the jolly good Irish prof) that the area of the original squish is quite to small for sufficient Msv (mean squish velocity). Or at least to try to some hemishaped piston domes with hemispherical squish areas on the side. That way one gets way higher compression, could get also rid of the valve pockets, better scavenging and during higher rpm's the mixture gets where it should be close to the spark plug for less spark advance. I'm suggesting a combustion chamber shape that doesnt show horizontal squish areas but inclined angled surfaces with matching areas on the piston. I'm not saying conical pistons and leaving original squish areas untouched. I'm not quite sure if you complety understand what I meant (no critic at all intended!).
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