How to clean lifter bores ?? - Team Camaro Tech
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post #1 of 6 (permalink) Old Sep 20th, 05, 08:49 AM Thread Starter
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How to clean lifter bores ??

What is the best way to clean lifter bores with surface light rust?
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post #2 of 6 (permalink) Old Sep 20th, 05, 09:02 AM
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Re: How to clean lifter bores ??

I don't know if this is the best way, but it has worked for me over the years. They make a small brake cylinder hone (for honing drum brake cylinders). I usethat with a little tranny fluid for lubrication.

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post #3 of 6 (permalink) Old Sep 20th, 05, 06:11 PM
 
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Smile Re: How to clean lifter bores ??

That and a little-bitty, dingle-berry hone sized for them too!!

BUT use both of them very easy and DON'T remove much stock at all b/c all you need to do is JUST clean them up smooth!

Otherwise, you can make them a tad too loose if you get carried away here AND it won't be good..

pdq67



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post #4 of 6 (permalink) Old Sep 20th, 05, 06:54 PM
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Re: How to clean lifter bores ??

Use a brush of some sort. It is too easy to get into trouble with a brake hone.
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post #5 of 6 (permalink) Old Sep 20th, 05, 07:43 PM
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Re: How to clean lifter bores ??

Ed,
I dont like brake cylinder hones, they are too coarse and tend to get hung up on the oil holes. The "berry brush" types are ok, we have used them for years, but lately we have been using the abrasive strip type bottle hones, less chance of one of the honing "balls" coming loose and getting in an oil passage. Here is a pic:
http://www.goodson.com/store/templat...3dc722a8ec94a7

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1971 Chevelle "Heavy Chevy" original owner


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post #6 of 6 (permalink) Old Sep 21st, 05, 02:37 PM
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Re: How to clean lifter bores ??

Quote:
Originally Posted by edcorsaro
What is the best way to clean lifter bores with surface light rust?
If it's just 'light rust' then using a cleaning brush as 'Oger' suggests with a good Rust Penitrating Oil (insert your favorite brand here - I don't want to open that worm can...) will usually clean up the bore so the lifters slide smoothly.
Even though I now have a bore broach set-up for the specific .845" bore - I for years used the procedure 'camaroman' is refering to using a small 3-stone type with fine stones.
It is important to use a light oil and only make a couple quick passes to remove the major rust and defects and not effect the bore diameter and roundness.
I always deburr the lifter bore top and bottom very slightly to make sure no factory machined burrs exist.
I disagree with 'BillK''s statement 'they are too coarse '... To the contrary, most small brake hones use a 240grit or finer stone. The stones on my small 3-stone hone are KD-266's and they are 320grit. KD also sells a smaller stone that is 400grit (KD2004). The "Lisle"#10050 stones are 240grit.
If you compare them to the "Dingle-Berry" type brush hones you will find they are all 180grit - I have looked for 'finer' small berry-brush types but, never found one.
The bottom line is any of these procedures will work depending on the amount of rust and how carefull you are about doing it.

I do fully agree with 'BillK's statement about $hit in the oil passages
No matter which procedure you use - be sure to fully inspect and clean the oil passages or you will be pushing all that ??? through the lifter bores when the engine is started and brought up to temp.
As always JMHO's;
John M.

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Last edited by Vintage 68; Sep 22nd, 05 at 09:35 AM. Reason: of = or...
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