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<blockquote data-quote="pollyp" data-source="post: 520882" data-attributes="member: 4527"><p>everything swapped over to the forged engine</p><p></p><p>[ATTACH=full]37480[/ATTACH] [ATTACH=full]37481[/ATTACH] [ATTACH=full]37485[/ATTACH] [ATTACH=full]37482[/ATTACH]</p><p></p><p>looking at the turbo</p><p></p><p>[ATTACH=full]37488[/ATTACH] </p><p></p><p>turbine is fine</p><p></p><p>[ATTACH=full]37487[/ATTACH] </p><p></p><p>check the gasket</p><p></p><p>[ATTACH=full]27931[/ATTACH]</p><p></p><p>the lapped mani/gasket face definately sealed better</p><p></p><p>[ATTACH=full]37489[/ATTACH] [ATTACH=full]37483[/ATTACH] </p><p></p><p>turbine/gasket seal ok</p><p></p><p>[ATTACH=full]37486[/ATTACH] </p><p></p><p>to fix the slightly whiny worn gearbox i opened both boxes</p><p></p><p>[ATTACH=full]27930[/ATTACH]</p><p></p><p>the whiny noise (sounds like a whirry worn wheel bearing) was only when on the power in-gear and pitch matches engine revs so prob the input shaft bearings.</p><p>held the input shaft via the bearing casing, spun and listen, and it sounded slightly noisy like rolling a metal ball in a ceramic bowl. rocking the bearing casing it has little play.</p><p></p><p>i held & spun the shaft from the other gearbox and its very slightly quieter but rocking the bearing casing has slightly more play.</p><p></p><p>[ATTACH=full]37484[/ATTACH] [ATTACH=full]37475[/ATTACH] [ATTACH=full]37476[/ATTACH] </p><p></p><p>i know i should prob try to keep the two gear cogs matched but the secondary shafts bearing from the newer gearbox spun smoother.</p><p>so basically i swapped the input shaft from the spare gearbox into the newer silvery gearbox. hope it solves the noise</p><p></p><p>[ATTACH=full]37477[/ATTACH] [ATTACH=full]37478[/ATTACH] [ATTACH=full]37479[/ATTACH] </p><p></p><p>also tested the LSD and the preload is working</p><p></p><p>[media=youtube]LMo7v5xsRE4[/media]</p></blockquote><p></p>
[QUOTE="pollyp, post: 520882, member: 4527"] everything swapped over to the forged engine [ATTACH=full]37480[/ATTACH] [ATTACH=full]37481[/ATTACH] [ATTACH=full]37485[/ATTACH] [ATTACH=full]37482[/ATTACH] looking at the turbo [ATTACH=full]37488[/ATTACH] turbine is fine [ATTACH=full]37487[/ATTACH] check the gasket [ATTACH=full]27931[/ATTACH] the lapped mani/gasket face definately sealed better [ATTACH=full]37489[/ATTACH] [ATTACH=full]37483[/ATTACH] turbine/gasket seal ok [ATTACH=full]37486[/ATTACH] to fix the slightly whiny worn gearbox i opened both boxes [ATTACH=full]27930[/ATTACH] the whiny noise (sounds like a whirry worn wheel bearing) was only when on the power in-gear and pitch matches engine revs so prob the input shaft bearings. held the input shaft via the bearing casing, spun and listen, and it sounded slightly noisy like rolling a metal ball in a ceramic bowl. rocking the bearing casing it has little play. i held & spun the shaft from the other gearbox and its very slightly quieter but rocking the bearing casing has slightly more play. [ATTACH=full]37484[/ATTACH] [ATTACH=full]37475[/ATTACH] [ATTACH=full]37476[/ATTACH] i know i should prob try to keep the two gear cogs matched but the secondary shafts bearing from the newer gearbox spun smoother. so basically i swapped the input shaft from the spare gearbox into the newer silvery gearbox. hope it solves the noise [ATTACH=full]37477[/ATTACH] [ATTACH=full]37478[/ATTACH] [ATTACH=full]37479[/ATTACH] also tested the LSD and the preload is working [media=youtube]LMo7v5xsRE4[/media] [/QUOTE]
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