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My 86 Toyota 22r knocks at initial startup for about 2 -3 seconds then sounds fine. So do I need to replace the main bearings and rod bearings? Or could it be a stretched rod? Or a bad piston? What's a good solution? Full rebuild? New mains, crank, and rod bearings? And what other years of a 22r could I use for a bottem end rebuild ?
 

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My 86 Toyota 22r knocks at initial startup for about 2 -3 seconds then sounds fine. So do I need to replace the main bearings and rod bearings? Or could it be a stretched rod? Or a bad piston? What's a good solution? Full rebuild? New mains, crank, and rod bearings? And what other years of a 22r could I use for a bottem end rebuild ?
I've heard it's common on these motors to have piston slap when cold. Not sure if that's what your hearing but 2-3 seconds doesn't sound too bad to me. Maybe try a different oil.

Mine starts without a knock, then has a slight knock as it warms up and then fades away. Not terribly concerned about it, I've wheeled with a guy thats had a constant knock in his for years and it just keeps on going.
 

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Put some Lucas Oil Stabilizer or something equivilent in to get rid of the dry start issue.

Sent from my SM-G928P using Tapatalk
 
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