[Fot] Thickness of figure 8 gaskets

[fubog1]

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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