RS is just an extra good black silicone.
like for say .....installing an oil pan where there is no gasket used..
it's super perfect for that .
cures quickly too.
comes apart nicely when you need it to...

get it in the caulking gun style, not the aerosole.
it really is Great Stuff.
I doubt I will ever be without some around from now on.

I wouldn't expect it to substitute for missing metal though. That would
probably work for a while.

Scott
www.turbovans.com

On 1/1/2013 2:13 PM, neil n wrote:
> Cool.
>
> Obviously I too have never used Right Stuff, but thought it might set
> up "hard" enough to withstand cooling system pressure, heat etc.
>
> Hopefully I won't have to find out about WBX head resealing and the
> like (conversion is imminent) but good to know you've (as others) had
> success with JB. A little material and some more time sounds like it's
> worth it!
>
> Neil.
>
> On Tue, Jan 1, 2013 at 1:08 PM, Mike B <mbucchino@charter.net> wrote:
>
>> I've never used the Right Stuff, so I can't attest to the properties of it.
>> The JB weld is being used to replace lost metal and make a smooth surface
>> for rubber gasket to seat against.  You're not trying to make a gasket, the
>> way a sealant can.  The epoxy ends up making a new hard surface, where the
>> sealants will only act as a filling adhesive.   Yes you'll always need a new
>> seal and some sealant use is appropriate, but not as a total replacement for
>> the seal or the lost metal.  I'd be afraid to experiment with RS in place of
>> JB, especially in light of the labor required to re-accomplish the task if
>> it fails to seal.  Even worse, if it blows out under temp and pressure, you
>> can ruin the engine.  I stand by the use of JB for corrosion repair on VW
>> heads and cases, but as you said, not in the cylinder seal area of the head.
>>
>> Mike B.
>>
>>
>> On 1/1/2013 3:25 PM, neil n wrote:
>>> Checking Ben's web pages (benplace.com) he writes of JB.
>>>
>>> http://benplace.com/head_check.htm
>>>
>>> So JB is not to be used on the head where the barrel sits?  (higher
>>> heat, wider heat cycling destroys the JB?)
>>>
>>> If a head surface where the coolant gasket sits has minor pitting, can
>>> the "Right Stuff" be used to fill those voids?
>
>
> --
> Neil n
>
> 65 kb image Myford Ready For Assembly  http://tinyurl.com/64sx4rp
>
> '88 Slate Blue Westy to be named.
>
> '81 VanaJetta 2.0 "Jaco"  http://tubaneil.googlepages.com/
>
> Vanagon VAG Gas I4/VR Swap Google Group:
>
> http://groups.google.com/group/vanagons-with-vw-inline-4-cylinder-gas-engines
>