jon@dakota-truck.net wrote:
> "Bernd D. Ratsch" <fasstdak@hotmail.com> wrote:
>
> : Why do you need to use the RTV on all those gaskets?
>
>
>
> All those? The only gaskets Tom mentioned were the valve covers
> and oil pan. (And the diff covers, but you agreed with him on those.)
I use sealer/RTV/Right Stuff on Water pump, valve cover, oil pan and
differential gaskets. I've also used RTV on tranny pan gaskets.
>
> : Even at the
> : dealership, we never use RTV on the Waterpump, Timing Cover, Valve Covers
> : (not required with the rubber gaskets), Oil Pan...we only use the Mopar
> : Gasket Sealer Spray (light coating to hold them in place). Have had no
> : leaks at all.
>
As for leaks - well - I've used plain old cork gaskets on the valve
covers - they leaked.. I used RTV on the valve cover gaskets, again,
cork, they leaked. I used ONLY The Right Stuff - 1/8th or so of a bead
- they don't leak! Have been that way two yesrs.
> I can't speak for Tom, but I've used RTV on oil pans and valve
> covers. Why? Mostly because I don't get paid to tear the engine
> back down to fix a leak. I want to put it together once. There
> are also a lot of variables from engine to engine. Keep in mind
> that Tom is working on a premag - he probably doesn't have the
> fancy rubber Magnum valve cover gaskets in there. As far as my
> own truck goes, I'm using LA valve covers on my Magnum which needed
> a bit of RTV to seal. Not to mention the Cuda which has a 37 year
> old motor in it; unless there is a good reason not to (i.e. cylinder
> heads), when I'm putting on water pumps, timing covers, pretty much
> anything, I will use a thin layer of RTV to fill any imperfections
> and greatly increase the odds for a leak proof seal. Its cheap
> insurance.
Exactly, Jon. I know they say you don't need RTV on gaskets - the tranny
filter/gasket kits we sell at work say not to use any - but I'll be
damned if I was ever able to change a trans pan gasket and have the
gasket NOT leak, when I didn't use any RTV. My last two tranny pan
gaskets, I did not use any RTV on - and guess what - they leak.
Rubber gaskets? - nope you don't need RTV. Cork - I would always use
RTV on cork.
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