Closed cooling, manifold/riser gasket material ?

S

Speakrdude

Ensign
Joined
Feb 25, 2004
Messages
942
Am replacing some bad gaskets on an 88 model Merc 5.7, Exhaust/riser gaskets, Closed cooled, Inboard, (block off) gaskets.
The ones I (ordered, either by mistake or not) are the regular green ones, not the silver, graphite looking ones or metal piece sandwiched in between two gaskets?
Doesn't seem to me like they are the right ones for the "block-off" results, as the green gasket material will eventually soak thru the water passages and fail.
Did I order the wrong ones?
 
Bondo

Bondo

Moderator
Staff member
Joined
Apr 17, 2002
Messages
71,353
Re: Closed cooling, manifold/riser gasket material ?

Ayuh,... Sounds like standard Aftermarket gaskets...

Buy the Right 1s from Mercruiser....
 
FreeBeeTony

FreeBeeTony

Captain
Joined
May 15, 2002
Messages
3,997
Re: Closed cooling, manifold/riser gasket material ?

Definitly get the right ones from Mercruiser, I had the wrong ones at 1 time at the exact thing you described happened........they soaked through and broke down. Not a good thing!!
 
nola mike

nola mike

Vice Admiral
Joined
Apr 22, 2009
Messages
5,784
Re: Closed cooling, manifold/riser gasket material ?

i think the mallory gaskets are also the silver/metal kind. the sierras are paper, and not as good...
 
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