Head Gasket Sealer | Boating Forum - iboats Boating Forums
Oct 24, 2004 · I've got the head off my 1967 20HP Johnson FD 21R, and will soon be re-installing. Seloc's says,"Place a NEW head gasket in place on the cylinder block. NEVER use automotive type head gasket sealer. The chemicals in the sealer will cause electrolytic action and eat the aluminum faster than...
What type of head gasket sealant do I use? - Boating Forum
May 30, 2008 · I am installing a new head gasket and it doesn't have a sticky or tacky side. I don't know what type of gasket sealer to use. I bought one similar to a sealer on iboats. Here is the link to what my sealer is like except mine is ultra black instead of ultra blue...
Should I use gasket sealer on head gasket?? - iboats Boating Forums
Apr 10, 2017 · I'm overhauling the powerhead on my 1974 Johnson 50. The factory manual says to put gasket sealer on the head gasket. I opened my new OMC head gasket from the package and the words "DON'T USE SEALER" are embossed on the gasket. What gives??
Do you put any sealant on the head gasket when replacing it
Nov 14, 2009 · Re: Do you put any sealant on the head gasket when replacing it ? most outboard head gaskets have a type of sealer impregnated into the gasket. using other types of sealer may have negative afects. some manufactures say to retorque head bolts after the motor warms up the first time. Ive been an auto tech for 20 years and never use anything on ...
Head Gasket Sealer | Page 2 - iboats Boating Forums
Oct 24, 2004 · Re: Head Gasket Sealer Rick, I went on the hunt for the OMC gasket sealer or the Mercury perfect seal. The local dealers said they used it themselves but usually never sold the stuff. The OMC dealer offered to order me some, the Mercury dealer didn't. I did find a similar product at a parts store by Permatex. It's Super "300" form-a-gasket sealant.
Where to use gasket sealer?? - iboats Boating Forums
Oct 12, 2010 · This also pertains to some water pump installations that use a gasket between the plate and the lower unit housing. Marprox Sealer 1000 or OMC Adhesive or Boat Armor Sealer 1000 (same substance)[See Below Note] should be used on any metal to metal or metal to plastic surface (such as impeller hsg to plate, and plate to lower unit surface) to ...
Head Gasket Sealer for pitted block - iboats Boating Forums
May 21, 2009 · Re: Head Gasket Sealer for pitted block Just to bring closure to this thread, I finally in-water tested the motor yesterday. After easy startup, my handy Harbor Freight pocket thermometer showed that my heads and block never ran above 140 degrees and it idled perfectly. Motored out to the river and ran for 2 hours, half of which was WOT.
New V6 head gasket - sealer or no sealer? - iboats Boating Forums
Oct 22, 2008 · Re: New V6 head gasket - sealer or no sealer? Some sealers can / migt allow the material imbedded in the gasket to not stick to the metal. Particularily if you use an aresol spray sealer. If you use the OMC / BRP Gasket Sealer (in the can with a brush in the lid) it will be fine. FYI - be really careful about cutting the head.
Head Gasket Sealer for pitted block - iboats Boating Forums
May 21, 2009 · Re: Head Gasket Sealer for pitted block I too had some erosion on the block. Pretty normal for a motor that lives it's life in the salt. The first time my mechanic had the heads surfaced and reassembled the motor without additional gasket adhesive. The repair lasted a little over a year (75-100 hours of operation.
Evinrude Engine/Engine Gasket Sealers List - Boating Forum
Dec 15, 2007 · Permatex hadening sealer (tube) type B; use on intake manifolds, valley pans. pan to main cap seals, or Permatex RTV red (tube) Hi-Heat. Gold tube, for exhaust, intakes, valley pans, or Permatex Aviation Gasket Sealer (tub/brush) for most fiber gaskets, pan, bolt threads into water jackets, heads and water pump, etc.