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Message: <blockquote data-quote="absidian" data-source="post: 216561" data-attributes="member: 4356">It is strange how my comment on compromise got misintepretred here.I merely pointed out that there are other considerations, particularly the bearings related to warm up issues - this doesn't mean the rest of the engine, especially the valvetrain should be neglected. Valvetrain gets oil pumped to it, the bottom end doesn't.Cylinder wall wear - yes they do wear out, but not as much as you would think like in the adverts - again a point I was making because the rest of the engine is all too often forgotten.I never implied that an engine should be revved without load.But even with load at cold - not wise to rev. Interestingly enough, there is an ongoing debate about how experts treat their expensive race engines - you see them start the engine from cold then blip it highly just a few times - perhaps to circulate the oil more quickly when there isn't any heavy load? <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite5" alt=":confused:" title="Confused    :confused:" loading="lazy" data-shortname=":confused:" /> This is followed by slow warm-up laps.A bit of both worlds really.Anyway guys that's just my 2p. For the record I haven't had any such problems with any of my Alfa/BMW/Mitsu engines, even with heavy track use. I just like to hang around with the people who do rebuilds on shagged engines. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin    :D" loading="lazy" data-shortname=":D" /></blockquote>

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