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Old truck new power --- How much HP do ya really need
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<blockquote data-quote="swampratt" data-source="post: 3324932" data-attributes="member: 15054"><p>When they lowered the critical anti wear additives in oils the lifters were not the only things that suffered.</p><p>You have wrist pins, timing chain, and timing chain tensioners oil pump gears.. it all takes a beating.</p><p>You need an oil with good shear properties also.</p><p></p><p>On your new 3.6 engine I have not much to add for you other than do your research and keep it changed often. Avoid a lot of short trips if you can as i think that is probably direct injection. </p><p></p><p>The back side of the valves like to build up with crud in those as you do not have fuel running across the valves to sort of keep them clean.</p><p>LSPI low speed pre ignition on these small engines with turbos or superchargers is an issue and I will leave you with some reading .</p><p></p><p><a href="https://www.motor.com/magazine-summary/resolving-low-speed-pre-ignition/" target="_blank">https://www.motor.com/magazine-summary/resolving-low-speed-pre-ignition/</a></p><p></p><p><a href="https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/4405377/1" target="_blank">https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/4405377/1</a></p><p></p><p>That Bob Is The Oil Guy is a great sight to explore when it comes to oils and additive packages in oils and what people have used etc.</p><p></p><p></p><p>This one not as good but discusses a few points.</p><p><a href="https://www.coloradofans.com/threads/valve-carbon-issues-on-new-di-engines.354801/" target="_blank">https://www.coloradofans.com/threads/valve-carbon-issues-on-new-di-engines.354801/</a></p></blockquote><p></p>
[QUOTE="swampratt, post: 3324932, member: 15054"] When they lowered the critical anti wear additives in oils the lifters were not the only things that suffered. You have wrist pins, timing chain, and timing chain tensioners oil pump gears.. it all takes a beating. You need an oil with good shear properties also. On your new 3.6 engine I have not much to add for you other than do your research and keep it changed often. Avoid a lot of short trips if you can as i think that is probably direct injection. The back side of the valves like to build up with crud in those as you do not have fuel running across the valves to sort of keep them clean. LSPI low speed pre ignition on these small engines with turbos or superchargers is an issue and I will leave you with some reading . [URL]https://www.motor.com/magazine-summary/resolving-low-speed-pre-ignition/[/URL] [URL]https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/4405377/1[/URL] That Bob Is The Oil Guy is a great sight to explore when it comes to oils and additive packages in oils and what people have used etc. This one not as good but discusses a few points. [URL]https://www.coloradofans.com/threads/valve-carbon-issues-on-new-di-engines.354801/[/URL] [/QUOTE]
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