Author Topic: Gnarly4X's 22RE Rebuild  (Read 227312 times)

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Re: Gnarly4X's 22RE Rebuild
« Reply #1860 on: Mar 13, 2019, 04:32:37 AM »
I do if the cyls haven't been machined.  I have done three 22's and a 7mgte, no issues with the engines I still own.  Honing isn't rocket science.

Hey SÖ

Thank you for your reply.

I have been thinking about pulling my engine and rebuilding it from scratch.

Iíve been doing research on engine cylinder honing, honing tools, Ra, cross-hatching, ring & piston prepping, etc.  Some of the published information and specs is confusing.

For example, Iím reading different information, depending upon which piston/ring manufacturer.

I agree that honing is not rocket science, but apparently the honing and Ra is extremely important to the ring manufacturer.  The Ra number range also appears to be controversial.

Iím just trying to figure out what, exactly, I should know and what you have done to successfully get the compression and the low oil consumption where it should be after break-in on a rebuild 22.

What honing tool did you use?
What Ra did you end up with?
How did you measure the Ra?
What manufacturer of pistons and rings did you install?
What piston to cylinder clearance did you measure?


« Last Edit: Mar 13, 2019, 04:53:17 AM by Gnarly4X »
1986 XtraCab SR5 22RE 5speed W56B, ~26,000 MI after break-in, DIM (Did It Myself) rebuilt engine - .020" over, engnbldr RV head, OS valves, 261C cam, DT Header.


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