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We were thinking about a JY engine, but I don't know if I would recognize one that is worth redoing. Noah, my son, also keeps telling me we need a 440!

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you should give the boy what he wants so he wont get rice fever.

is it lifter tapping or lifters rattling??

sound like something banging around in a cyl?

idle smooth or run ruff?

is it cold there right now? how thick is the oil cold start up?

what kinda oil pressure?

knocking comes from down low not up top. IMO

a cheap JY engine is a good start for the first time. just tear it down and inspect everything then put it back together.

I have pulled a lot of used engines apart then do a valve job, re-ring/bearings for the bottom end,oil pump,core plugs,gaskets.

change the cam and home port the heads then add bolt ons.

done it many times under 600 bux and have had more fun with less.

want smoke??? follow the directions on the can of seafoam.

ATF added in with the gas,will lube the upper cyl,cut down on sparknock,smokes a little.

but it will also get a build up of ash/carbon on the cyl head combustion chamber. it will also build up on the plugs.

best to use water to decarbon it,use a spary bottle on mist and spary the heck out of it at idle only rev it if it stumbles. that will steam clean the cyls.

to much of any solid liquid will hydro lock it so go slow adding it in.

I like seafoam or the BG upper cyl lube or mopar upper cyl lube/cleaner.