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2010 CASE 450 SERIES 3 - Smokes blue, diesel rich under certain conditions. My journey.
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<blockquote data-quote="Topper1" data-source="post: 127678" data-attributes="member: 22814"><p>Although the issue was substantially better, I took another dive into the sputter sputter smoke smoke issue. Only happens when hot, after ksb pulled the injection timing off cold advance. Replaced all of the fuel lines, which were worn from vibration. 2 of which were ready to pop holes, and 1 very brittle fitting which crumbled into a hundred bits.</p><p>I still had, although minor, sputter sputter, smoke smoke when accelerating from a long idle when hot.</p><p>Sought out an old mechanic buddy of mine.</p><p>He took 1 look, smelled the exhaust, and proceeded to advance my timing by 2-3*. No dials. No gauges. No special tools.</p><p>According to his decades of knowledge, approximately 1mm of rotation = 1* of timing on most of these old school, Bosch VE injection units.</p><p>A paint marker and a sharpie mark later, he moved it about 1/8" or 3mm +/- 3* more advance and holy crap. What a difference. Immediate throttle response. Far cleaner burning then before. ZERO sputter. No blue smoke. If anything, 1 quick black puff and off she goes.</p><p> After a quick BS session. He said yeah. After xxx hrs it's totally normal to end up with a degree or 2 of retard just from gear lash, pump wear, etc. It's a very common issue with these units.</p><p></p><p>Loosen the 3 pump bolts. (13mm)</p><p>Loosen the injector lines to make pump rotation easier. (17mm plus some choice words)</p><p>Rotate with a pry bar.</p><p>Tighten everything up.</p><p>Test run and check for leaks.</p><p></p><p>Nearly impossible to get a good angle on the pictures, but you get the jist of it.</p></blockquote><p></p>
[QUOTE="Topper1, post: 127678, member: 22814"] Although the issue was substantially better, I took another dive into the sputter sputter smoke smoke issue. Only happens when hot, after ksb pulled the injection timing off cold advance. Replaced all of the fuel lines, which were worn from vibration. 2 of which were ready to pop holes, and 1 very brittle fitting which crumbled into a hundred bits. I still had, although minor, sputter sputter, smoke smoke when accelerating from a long idle when hot. Sought out an old mechanic buddy of mine. He took 1 look, smelled the exhaust, and proceeded to advance my timing by 2-3*. No dials. No gauges. No special tools. According to his decades of knowledge, approximately 1mm of rotation = 1* of timing on most of these old school, Bosch VE injection units. A paint marker and a sharpie mark later, he moved it about 1/8" or 3mm +/- 3* more advance and holy crap. What a difference. Immediate throttle response. Far cleaner burning then before. ZERO sputter. No blue smoke. If anything, 1 quick black puff and off she goes. After a quick BS session. He said yeah. After xxx hrs it's totally normal to end up with a degree or 2 of retard just from gear lash, pump wear, etc. It's a very common issue with these units. Loosen the 3 pump bolts. (13mm) Loosen the injector lines to make pump rotation easier. (17mm plus some choice words) Rotate with a pry bar. Tighten everything up. Test run and check for leaks. Nearly impossible to get a good angle on the pictures, but you get the jist of it. [/QUOTE]
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2010 CASE 450 SERIES 3 - Smokes blue, diesel rich under certain conditions. My journey.
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