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Re: [TR] Sealants used on Fo8 gaskets

To: triumphs@autox.team.net
Subject: Re: [TR] Sealants used on Fo8 gaskets
From: Bob <yellowtr@adelphia.net>
Date: Sat, 6 Feb 2021 10:06:27 -0500
Delivered-to: mharc@autox.team.net
Delivered-to: triumphs@autox.team.net
References: <8C0FFD8B-6969-4105-BF53-906EDAAEA562@mi.rr.com> <DAA47132-86ED-46C3-9524-83AC19EDE8CF@yahoo.com>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0
I used Permatex av. also. No problems ever.

Bob

On 2/6/21 9:34 AM, bill beecher wrote:
> Some folks donâ??t use anything, just real clean.  Personally, I used a thin 
> coat of Permatex Aviation gasket seal...after getting it real clean.  
> Anything you put down there adds to the protrusion above the deck for the 
> sleeves.
> Bill B
> TS30800L (TR4A powered)
>
> #dontkillgrandma
>
> On Feb 5, 2021, at 11:52 PM, Dan Cronin <adcronin@mi.rr.com> wrote:
>
> Folks
> Looking for some background information and recommendations on the preferred 
> Fo8 gasket sealing compound that seems to have worked for each of you in your 
> various engine re-builds.  And  any comments / observations you choose to 
> share either on or off list. The motor I am building has a 89 mm piston and 
> liner kit from BFE along with Corrello rods / bolts and a Crower dummy main 
> crank connected at the front with a ATI Super Damper and at the rear to a 
> Fidanza Alloy Flywheel with diaphragm clutch, an HVDA conversion with alloy 
> drive shaft to a Quaife 4.11:1 diff. and alloy back cover.  Stainless Steel 
> valves with 0.050 oversize intake thru Mang. Bronze guides. H/S roller 
> rockers on alloy pedestals.  BPNW 270 duration cam. The TR4A head has had 
> 0.040 removed mostly to true things up and remove prior imperfections.  The 
> head chambers have been mildly worked to smooth any sharp edges and even 
> things out with a resulting chamber volume of 60.5cc each.  I am planning on 
> installing Gasket Works 0.022 copper gasket with their 0.005 â??Oâ?? 
> compression rings on the head side of the gasket that will be sprayed with a 
> copper coating on each side.  Gasket Works sent a set of Fo8 individual 
> gaskets that has allowed me to obtain a liner protrusion of 0.0025 to 0.003.  
> Am aiming at a compression ratio of around 9.75 to 1+/- . Looking forward to 
> as many responses as possible to assist in trying to get this critical step 
> as close to right as I can.
> DC
> <IMG_3668.jpeg>
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