| Re: [GMCnet] Remflex gaskets [message #310632 is a reply to message #310559] |
Sun, 20 November 2016 07:54  |
Ray Erspamer
Messages: 1707
Registered: May 2007
Location: Milwaukee Wisconsin
Karma:
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Senior Member |
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The key to using Remflex gaskets is to NOT over-torque them. They
state the torque specifications on the package. Naturally I had to
learn this one the hard way.
On Fri, Nov 18, 2016 at 11:51 AM, Jim Kanomata wrote:
> There are two design when it comes to Copper gaskets.
> The embossed ones work well on Manifolds, but does not work on Hedders as
> the the ports are not precision so the embossed sect does not match the
> opening majority of the time. We carry both as it gives you a choice.
>
>
> On Thu, Nov 17, 2016 at 5:17 PM, Richard Denney wrote:
>
>> I have Remflex gaskets on Thorley headers, and I installed them some years
>> ago. No leaks yet. The center bolt doesn't need to be structurally tight,
>> but I installed them on my coach. Headers are lighter than manifolds and
>> much more flexible under thermal load, so they tend to flex instead of
>> fighting back--one of their key advantages.
>>
>> With cast manifolds, I would probably prefer copper gaskets--their chief
>> advantage is efficient thermal transfer so that the cylinder head and
>> manifold don't have a big jump in temperature at the gasket interface. I
>> think that's why they were originally installed without a gasket. But
>> that's not so much of a concern with headers.
>>
>> With Remflex gaskets, follow the torquing instructions carefully (as Matt
>> cautions).
>>
>> Rick "suspecting the graphite is a better thermal conductor that the old
>> crushable asbestos gaskets" Denney
>>
>> On Thursday, November 17, 2016, Chris Tyler
>> wrote:
>>
>>> I will be needing to replace the gaskets on my coach at some point. It
>> has
>>> dougs headers on it and has a leak. Not sure what gaskets are on there
>> now.
>>> Its not that bead yet but on the ever-expanding 'to do' list.
>>>
>>> What I have found to work best on other applications is copper header
>>> gaskets with a thin film of cpper high temp silicone. Much talk on here
>>> about
>>> the Remflex gaskets has convinced me to try them. However the first
>>> oppertunity will be on a 340 Cuda Im reviving
>>>
>>> I take it no coatings needed on the Remflex gaskets? Planning on using
>>> studs for the 340. Prob a combination of studs and bolts on the Olds. I
>>> remember som talk about not fully tightening the center bolt. Is that on
>>> headers, manifolds, or both?
>>>
>>> If they work out I may use them on a chevy twin turbo engine I will be
>>> swapping out soon. It has canst iron turbo specific manifolds. Wondering
>> if
>>> the
>>> Remflex is the best choice on those, given the heat and pressure.
>>>
>>> Hopefully Matt C will chime in
>>> --
>>> 76 Glenbrook
>>>
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>>
>>
>> --
>> '73 230 "Jaws"
>> Northern Virginia
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>
>
>
> --
> Jim Kanomata
> Applied/GMC, Fremont,CA
> jimk@appliedairfilters.com
> http://www.appliedgmc.com
> 1-800-752-7502
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--
Ray Erspamer
78 Royale - "The Great Lakes Eagle"
Center Kitchen TZE368V101144
Wauwatosa, Wisconsin 53226
Email: 78GMCRoyale@gmail.com
414-484-9431
Web Site: http://ray-lisa.page.tl/
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Ray Erspamer
78 GMC Royale Center Kitchen
403, 3.70 Final Drive
Holley Sniper Quadrajet EFI System,
Holley Hyperspark Ignition System
414-484-9431
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