[Fot] TR6 oil consumption issue during break in

[william r tobin]

Hi, be sure and stagger the end gaps on the other solid oil control rings 
also. The ones on top and bottom of the expander.
Plus stagger the top 2 rings.
Good luck, Bill
----- Original Message ----- 
From: "Henry Morrison" <dos_gusanos at msn.com>
To: "fot" <fot at autox.team.net>
Sent: Monday, November 14, 2011 1:54 PM
Subject: Re: [Fot] TR6 oil consumption issue during break in


>I know you have all been on the edge of your seats wondering if I was ever
> going to figure out what was wrong with my engine and here's the latest
> theory.  First, I thought it was the guides, because they were not 
> replaced.
> I bought new guides and took them to the machine shop and confronted them.
> They disassembled the head and proved to me the guides were good and in 
> the
> process I learned how the guides are measured and that I should trust my
> machinist more.  So I went home and took out the pistons and returned to 
> the
> machine shop where he then showed me that the ends of the "oil control 
> ring
> expander" should not be overlapped one notch, but rather butt together so 
> the
> oil control rings can function properly.
>
> So now all I have to do is go home and reassemble everything and see if it
> works.  Probably will.
>
> Hopefully someone else will learn from my mistake, and I'm glad I didn't 
> break
> down and give my engine the big Bon Ami douche treatment.
>
> Cheers Henry Morrison Cedar Crest, NM
>
>
>>
>> Was the block bored, or honed and checked for taper? If the rings didn't
> seat it may be too late. Look for the cause of the rings not seating or it
> will happen again. Bores freshened up with brush hones often have too much
> taper and allow blow by. On racing engines I use WD40 to lube the
> rings/pistons for install. I wipe oil on the bores and make sure I have 
> oil
> pressure before starting. I want the rings to seat right away.
>>
>> Bob Kramer
>> Southern Construction Inventory Manager
>> RDO Equipment Company
>> 16415 N. IH 35 Pflugerville, TX 78660
>> 512-687-7422 Office
>> 512-657-8526 Cell
>>
>>
>> Things turn out best for the people who make the best of the way things 
>> turn
> out. ~John Wooden
>> Subject: [Fot] TR6 oil consumption issue during break in
>>
>> Well, yeah, I did measure the end gaps on the rings. All were within the
>> specifications. The compression numbers when I checked them after 100 or 
>> so
> miles were low (90 lbs at 7000 ft.) but even. The rings came on the 
> pistons
> and were black in color, looked like they had been plated black.
>>
>> I don't think that I broke any of the rings on installation.
>>
>> The machine shop told me the guides were OK when I probed them as to why
> they didn't ask to replace them additionally they said if they were shot, 
> the
> car would still not use that much oil.
>>
>> I may strike out at the engine physically and violently if I have to
> re-rebuild it.
>>
>> Cheers Henry Morrison
>> _______________________________________________
>> fot at autox.team.net
>>
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>>
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