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<blockquote data-quote="DrDunc" data-source="post: 9102377" data-attributes="member: 615"><p>You must be a young pup <img class="smilie smilie--emoji" loading="lazy" alt="🙄" title="Face with rolling eyes :rolling_eyes:" src="https://cdn.jsdelivr.net/joypixels/assets/6.5/png/unicode/64/1f644.png" data-shortname=":rolling_eyes:" /></p><p></p><p>I remember the astonishing grunt of the 7.5l in the range topping 8340 fords</p><p></p><p>They were 125hp <img class="smilie smilie--emoji" loading="lazy" alt="😱" title="Face screaming in fear :scream:" src="https://cdn.jsdelivr.net/joypixels/assets/6.5/png/unicode/64/1f631.png" data-shortname=":scream:" /></p><p></p><p>Admittedly zetor was showing the world how to do it properly far before then. In the 1970's when nobody else even had 4wd leaving the factory, they'd got 160hp out of their 6.8l. </p><p></p><p>Back then clutches, bearings, brake plates, even radiators were the same across the model range. Those big zetor crystals did frequently like a new plate in the bell housing! Local dealer could split one and have it back out in less than a day</p><p></p><p>Today deutz eak 250hp from their 6l, but though the engine is the same as fitted to their 160hp, the transmission differs with each increased hp model. </p><p></p><p>Cooling packs must also surely now differ where the engine output can differ by 50% between the lowest and highest in the range? </p><p></p><p>That said, I paid a man to "tweak" my 4.9l thirsty sisu powered valtra. Despite 30% more power, it uses less fuel, and runs cooler. Perhaps the engine map now makes more difference to what cooling hardware is necessary than the days when more fuel, and more hp, just required a 10mm spanner to the pump?</p></blockquote><p></p>
[QUOTE="DrDunc, post: 9102377, member: 615"] You must be a young pup 🙄 I remember the astonishing grunt of the 7.5l in the range topping 8340 fords They were 125hp 😱 Admittedly zetor was showing the world how to do it properly far before then. In the 1970's when nobody else even had 4wd leaving the factory, they'd got 160hp out of their 6.8l. Back then clutches, bearings, brake plates, even radiators were the same across the model range. Those big zetor crystals did frequently like a new plate in the bell housing! Local dealer could split one and have it back out in less than a day Today deutz eak 250hp from their 6l, but though the engine is the same as fitted to their 160hp, the transmission differs with each increased hp model. Cooling packs must also surely now differ where the engine output can differ by 50% between the lowest and highest in the range? That said, I paid a man to "tweak" my 4.9l thirsty sisu powered valtra. Despite 30% more power, it uses less fuel, and runs cooler. Perhaps the engine map now makes more difference to what cooling hardware is necessary than the days when more fuel, and more hp, just required a 10mm spanner to the pump? [/QUOTE]
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