[Fot] Measuring the liner "stick out" above the block on the TR4 engine

Bill Babcock ponobill at gmail.com
Tue Jun 26 09:06:09 MDT 2012


Me neither. I've never viewed that as an opportunity for precision. As long as
it catches my fingernail all the way around, and not a lot more than that,  I
figured it's good.
On Jun 26, 2012, at 7:17 AM, Kas Kastner wrote:

> I do not remember ever measuring  a sleeve where the dimensions proud were
the
> same on each side. Oh well.
>
> Never be beaten by equipment
>> From: tr3driver at ca.rr.com
>> To: timmurph at fastbytes.com; fot at autox.team.net
>> Date: Mon, 25 Jun 2012 18:43:04 -0700
>> CC: ryan.murphy at fdlco.wi.gov
>> Subject: Re: [Fot] Measuring the liner "stick out" above the block on the
> TR4 engine
>>
>>> It is
>>> just long enough to bridge the liner.
>>
>> If it will only bridge the liner, how are you measuring to the block
>> surface?
>>
>> Even if it will bridge the block side to side, it seems to me you wouldn't
>> be checking the liner protrusion on both sides (which has proven to be a
>> problem with my street engines).
>>
>> Some other thoughts:
>>
>> If your block surface is not flat to within .001" over short distances,
you
>> need a new block or at least a new surface.
>>
>> I've never had any trouble using a straight edge and feeler gauges.  If
you
>> want to make it a bit easier, get a straight edge that is wide enough to
>> stand up by itself.  Hold it down with one thumb, and run a feeler gauge
>> between it and the block deck.  This is a TRactor motor, being off by
.001"
>> won't hurt.
>>
>> In my case, the protrusion was spot-on on one side; and nearly zero on the
>> other side.  I'm embarrassed to admit how many years it took me to figure
>> out why I could never keep a head gasket sealed for more than a few
months.
>>
>> -- Randall
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