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<p>Mike, I would recommend a Permatex product called "the right
stuff". It is an anerobic rubber and is far superior to silicone.
It is available in caulk gun tubes or a spray can lke cheese whiz.
I use the caulk gun tubes at the shop. A little pricier but it
works good. I can't remember the last time I bought silicone at
the shop since starting to use this. Doug T<br>
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<div class="moz-cite-prefix">On 4/20/2020 12:01 AM, Mike M wrote:<br>
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cite="mid:97f7e949-e66c-7868-37dd-e40d1ddbe280@gmx.com">
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This could be old tractor related, so I don't feel bad. I have a
Scag zero turn with a Kohler 7000 series engine. After a whopping
200 hrs the valve cover gaskets started to leak. There is an
upgrade kit, as this is a known issue, that is composite and uses
O-rings vs stamped steel and a gasket. I'm going to try some
Permatex Ultra Black RTV on them as the upgraded versions cost
about 100 bucks all told. I've read where I should tighten the
screws loosely just enough to make the gasket maker start to ooze
out, then wait an hour and torque them down, in this case 44-66
in/lbs. According to Permatex's site it says to tighten them right
down.<br>
<br>
<b>"Apply a continuous and even bead of silicone to one surface,
surrounding all bolt holes. Remove excess with knife at once.
Assemble parts immediately. Do not squeeze out silicone by over
tightening bolts. Re-torque will not be necessary."</b><b><br>
</b><br>
Says nothing about torquing them in the first place, just not to
over tighten, kind of ambiguous. Has anyone used this stuff, and
if so what method did you use? <br>
<br>
Thanks,<br>
Mike M<br>
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