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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: 124806" data-attributes="member: 22814"><p>A bit more in-depth then I had envisioned. </p><p>The joys of old tech steel lines inside of a tight skid steer frame. </p><p>Fuel pump & lines tucked in behind out of sight made for some choice words. </p><p>Pulled turbo to intake plenum. </p><p>Pulled #3&4 valve covers and then #1 & 2 since I was at it. </p><p>Pulled & Tested injectors. </p><p></p><p>My my. the things we find!!!!! 4 injectors. 3 different brands. </p><p>Opening pressures spec 260 bar - 3770 psi</p><p>#1- 3760 psi (Bosch #432133761) Good pattern & atomization</p><p>#2- 3790 psi (Bosch #432133761) Decent pattern & atomization. Very slight leak by under pressure. </p><p>#3-3750 psi (Iveco #112122) Good pattern & atomization</p><p>#4-3610 psi (?? # 492J446) Jobber of unknown origin Horrible spray patter. Leaking, very poor atomization..</p><p></p><p>Replaced all 4 injectors with 4 new Bosch #0 432 133 761 for $820CAD. Should pay themselves off inside of 1 season in fuel savings alone. </p><p>****NOTE - Cheap is NOT better when it comes to precision machined & calibrated injectors.****</p><p>**** opt for clip style copper washers on the return lines if you can source them. Far too touchy with (2)-5mm copper washers ****</p><p></p><p>- Compressions - Very happy- #1 445psi, #2 455psi, #3 440psi, #4 430psi</p><p>- Leakdown test went well. Cylinder 4 leaked down worse then all the others on the exhaust valve I assume from excess carbon build up from unburned fuel. </p><p>I removed the other 2 valve covers & checked valve clearances while covers were off. Very minor adjustments. </p><p>- Boost pressure NOT CHECKED as there is no test port, although I may drill one in at a later date and add a permanent boost guage beside my other after market gauge pack. (I've never liked dummy lights)</p><p>-Turbo is in good shape with no end play and very minimal oil residue on the intake side. </p><p></p><p>I will update after our next snowfall event, but as it stands right now, the engine idles noticeably quieter and the exhaust seems to burn a lot cleaner running in the shop. </p><p> Just another project where I wish I had one extra elbow on that arm. LOL. Old farts can't bend like that anymore. </p><p>CHEERS.</p></blockquote><p></p>
[QUOTE="Topper1, post: 124806, member: 22814"] A bit more in-depth then I had envisioned. The joys of old tech steel lines inside of a tight skid steer frame. Fuel pump & lines tucked in behind out of sight made for some choice words. Pulled turbo to intake plenum. Pulled #3&4 valve covers and then #1 & 2 since I was at it. Pulled & Tested injectors. My my. the things we find!!!!! 4 injectors. 3 different brands. Opening pressures spec 260 bar - 3770 psi #1- 3760 psi (Bosch #432133761) Good pattern & atomization #2- 3790 psi (Bosch #432133761) Decent pattern & atomization. Very slight leak by under pressure. #3-3750 psi (Iveco #112122) Good pattern & atomization #4-3610 psi (?? # 492J446) Jobber of unknown origin Horrible spray patter. Leaking, very poor atomization.. Replaced all 4 injectors with 4 new Bosch #0 432 133 761 for $820CAD. Should pay themselves off inside of 1 season in fuel savings alone. ****NOTE - Cheap is NOT better when it comes to precision machined & calibrated injectors.**** **** opt for clip style copper washers on the return lines if you can source them. Far too touchy with (2)-5mm copper washers **** - Compressions - Very happy- #1 445psi, #2 455psi, #3 440psi, #4 430psi - Leakdown test went well. Cylinder 4 leaked down worse then all the others on the exhaust valve I assume from excess carbon build up from unburned fuel. I removed the other 2 valve covers & checked valve clearances while covers were off. Very minor adjustments. - Boost pressure NOT CHECKED as there is no test port, although I may drill one in at a later date and add a permanent boost guage beside my other after market gauge pack. (I've never liked dummy lights) -Turbo is in good shape with no end play and very minimal oil residue on the intake side. I will update after our next snowfall event, but as it stands right now, the engine idles noticeably quieter and the exhaust seems to burn a lot cleaner running in the shop. Just another project where I wish I had one extra elbow on that arm. LOL. Old farts can't bend like that anymore. CHEERS. [/QUOTE]
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2010 CASE 450 SERIES 3 - Smokes blue, diesel rich under certain conditions. My journey.
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