[Fot] Thickness of figure 8 gaskets

[fubog1]

 "but even with that I have to trim the liners down."

I suspect for the same reason as I, the replacement liners I use (LA Sleeve) usually need around .010 off to get them down to book spec, and a couple more thou if using the steel gasket, plus any to compensate for block decking, that pretty much eats up the 8-joint thickness...
Glen

 

 

-----Original Message-----
From: toodamnfunky <toodamnfunky at comcast.net>
To: fubog1 <fubog1 at aol.com>
Cc: kaskastner <kaskastner at gmail.com>; timmmurphh <timmmurphh at gmail.com>; fot <fot at autox.team.net>
Sent: Mon, Jul 24, 2017 12:01 pm
Subject: Re: [Fot] Thickness of figure 8 gaskets



I've had to hand mill my liners every time I put new ones in. I too get my base gaskets ( fig. 8 ) from Mordy
but even with that I have to trim the liners down.
jim g



From: "fubog1 via Fot" <fot at autox.team.net>
To: kaskastner at gmail.com, timmmurphh at gmail.com
Cc: "fot" <fot at autox.team.net>
Sent: Monday, July 24, 2017 9:00:47 AM
Subject: Re: [Fot] Thickness of figure 8 gaskets



I would also like to know how .020 works? It wouldn't come close to sealing the water passages and tappet chest, and anybody who has done it knows what a PITA it is to trim the tops of the liners; this is even more critical when using the steel gasket cuz the +/- tolerances are tighter on it...
 Glen
 
 
 



but now are people using the 0.020?  And how are they getting the stick out within specification?







-----Original Message-----
 From: Kas Kastner via Fot <fot at autox.team.net>
 To: Timothy Murphy <timmmurphh at gmail.com>
 Cc: FOT <fot at autox.team.net>
 Sent: Sun, Jul 23, 2017 8:08 pm
 Subject: Re: [Fot] Thickness of figure 8 gaskets
 


Mordy Dunst can make you figure 8 gaskets of ANY thickness.



Never be beaten by equipment.



On Sun, Jul 23, 2017 at 12:01 PM, timmmurphh--- via Fot <fot at autox.team.net> wrote:


I’m having a block decked and the liner seats recut to get the proper stick out of 0.003 to 0.005.  The figure 8 gaskets I’ve gotten in the past, mostly steel, were 0.015 to 0.016 thick.  Even an old set of copper figure 8’s measure 0.016.  The latest copper figure 8’s from British Parts North West measure 0.020.
 
The 0.015 to 0.016 Figure 8’s gave the proper stick out with the old block.  My concern is that if I have the liner seats cut for the 0.020 gaskets, that in the future I may not be able to get these.  I’m also a bit confused as to how in the past the 0.015 to 0.016 apparently worked, but now are people using the 0.020?  And how are they getting the stick out within specification?
 
Thanks for any input on this.  I’m taking the block over to the machine shop, about 60 miles away, tomorrow, but I don’t necessarily have to decide on the liner seats until they actually get it set up on the boring machine.
 
Tim
 
P.S. I talked to Steve Yott and he said the figure 8 gaskets that come in the gasket sets are measuring at 0.020.


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