[Fot] TR sleeve protrusion .011

Larry Young cartravel at pobox.com
Wed May 17 08:45:57 MDT 2023


I don't see how anyone ever gets this right without a variety of gasket 
thicknesses. I bought brass shim stock of various thicknesses and cut a 
bunch of shims. The problem using snips is it is difficult to cut the 
inner diameter. You can make nice cuts using a cheap circular cutter and 
a drill press. They will tend to curl up, but you can work around that. 
Photos are needed to explain the procedure. I think Tony used to have 
photos at his site. If they aren't still there, I can try and locate them.
  - Larry

On 5/14/2023 4:24 PM, Tony Drews via Fot wrote:
>
> You can also make some custom thickness replacements for the figure 8 
> gaskets to tune the protrusion.  You can get brass shim stock from 
> local hardware store or McMaster Carr and cut out with scissors / 
> snips.  I do separate O shapes, the siamesed cylinders don't really 
> need the gasket combined into a fig 8 one.
>
> Decking the block on the wet liner engine makes this more fiddly.  
> You'll want to verify piston height at TDC too.
>
> Regards, Tony Drews
>
> On 5/14/2023 2:07 PM, Steve Yott via Fot wrote:
>> You can machine the cylinder seat the required amount.  I have a set 
>> of mandrels I made and do this frequently on the lathe.
>>
>> Steve Yott
>>
>>
>>
>> Steve Yott
>>
>>
>> -------- Original message --------
>> From: Philip Gott via Fot <fot at autox.team.net>
>> Date: 5/14/23 1:02 PM (GMT-06:00)
>> To: Friends Of Triumph <fot at autox.team.net>
>> Subject: [Fot] TR sleeve protrusion .011
>>
>> Has anyone had experience with the cylinder sleeves protruding .011”? 
>> The head has been staked per Kas’s book.
>> I am trying to build an engine quickly (avoiding machine shop delays) 
>> and have a block with billet crank and Chris Marx seal installed. It 
>> has been decked already. Also line bored and cam bearings and cam 
>> installed and timed. I want to know if I can assemble this with 
>> confidence or if I am asking for trouble?  I don’t anticipate 
>> problems with oil or water sealing as I will use Hylomar on a .020” 
>> steel head gasket with the raised corrugating around the oil and 
>> water galleys.
>> The crank broke and a cylinder sleeve cracked in “old reliable” 
>> during a test day.
>> Please advise.
>> Thanks and regards,
>> Phil Gott
>>
>> Sent from my iPhone
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>
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