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Jul 21st, 2025 | | | | Joined: Apr 2022 Posts: 62 'Bolter | | 'Bolter Joined: Apr 2022 Posts: 62 | Here’s hoping this won’t be as contentious of a topic as motor oil!!
What is your preferred assembly lube? and any reasons why?
LubriPlate?
Amsoil?
Permatex?
Melling?
Etc?
TIA
Paul | | | | | Joined: Feb 2004 Posts: 28,674 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 28,674 | NAPA, Perfect Circle, Melling, Sealed Power, and several others sell about the same stuff- - - -looks like red-colored thick motor oil with some sort of sticky additive. I used to use STP as assembly lube, but every engine I built with the stuff seemed to have oil-related problems. I even built one more engine just convince myself it was a fluke- - - -and that one spun a rod bearing!
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
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| | | | | Joined: Jan 2017 Posts: 61 'Bolter | | 'Bolter Joined: Jan 2017 Posts: 61 | Usually use Permatex Ultraslick with no issues. | | | | | Joined: Feb 2000 Posts: 4,886 'Bolter | | 'Bolter Joined: Feb 2000 Posts: 4,886 | Redline assembly lube, because it stays where I put it. Camshafts get black sticky break-in grease. I built lots of engines with white lithium grease with no issues, switched over to Redline because it's thicker. | | | | | Joined: Dec 2008 Posts: 1,915 'Bolter | | 'Bolter Joined: Dec 2008 Posts: 1,915 | Fill the pump cavity with Vaseline | | | | | Joined: Dec 2018 Posts: 2,451 'Bolter | | 'Bolter Joined: Dec 2018 Posts: 2,451 | 53 farmtruck I like to use something that wont leak out,so I can still air hose in there a little. Once the lubed cam is in place then work to get it closed up. Early on used GM EOS (cam lube) kinda messy. Probably lubriplate,gonna prime it anyway, never did pack any oil pump of any brand. Lately with all this cam/lifter trouble not sure what is best for our low spring pressure cams. Some use outboard motor gear lube,some gun grease,so ??? Like Hotrod said try to do just right...spin a bearing. | | | | | Joined: Feb 2000 Posts: 4,886 'Bolter | | 'Bolter Joined: Feb 2000 Posts: 4,886 | There are several brands of this, https://www.summitracing.com/parts/sum-camlube625 , its a black sticky grease that won't just wipe off, use it on camshaft and lifters. Don't use a liquid type on a cam, 90% percent of will be in the pan before you get it fired up. As for grease in the oil pumps, it shouldn't be needed, I usually pull new pumps apart to clean them, then add some assembly lube. If it's a used pump, I dump oil in it and go. My engines get primed and run on a test stand, never had one yet that would build oil pressure right away. | | | | | Joined: Dec 2018 Posts: 2,451 'Bolter | | 'Bolter Joined: Dec 2018 Posts: 2,451 | Joe H Before battery drills I'd just use a speed handle,till the rockers got oil. Someplace I saw a guy pack a mopar pump seemed like a lot of grease to me !! | | | | | Joined: Feb 2000 Posts: 4,886 'Bolter | | 'Bolter Joined: Feb 2000 Posts: 4,886 | I build Pontiac engines, the oil pump sets below the oil level so they prime with no issues. I've seem them packed clear full for some reason also. | | |
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