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Mod | | | Forums66 Topics128,130 Posts1,056,367 Members48,441 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Feb 2008 Posts: 70 Wrench Fetcher | | Wrench Fetcher Joined: Feb 2008 Posts: 70 | when i replace the head gasket on this 216 will i need to apply a gasket sealer.......with v blocks some i do and some i dont...just curious if this 216 is a little different.......thanks all | | | | | Joined: Feb 2004 Posts: 29,811 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,811 | The only time I use a sealer on a head gasket is when it's a single-layer steel shim type of gasket. The composition-type, or the "no retorque" gaskets already have a sealer built in. The best head gasket sealer I've found is a brush-on liquid, Permatex Super 300. It's a thick, almost black liquid, not the runny 3D type. It was developed for use with parts exposed to aviation gasoline back during WW II. Hard to find, but good stuff!
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
| | | | | Joined: Jul 2007 Posts: 461 Shop Shark | | Shop Shark Joined: Jul 2007 Posts: 461 | No need for gasket cement/sealer on your engine.
Harvester | | | | | Joined: Feb 2008 Posts: 70 Wrench Fetcher | | Wrench Fetcher Joined: Feb 2008 Posts: 70 | thanks guys.........i thought i would get reactions from both sides..........what i really need is someone to bring up some heat to iowa........is it cold up here or what.........i cant wait to get back to florida..... | | | | | Joined: Aug 2004 Posts: 1,067 Shop Shark | | Shop Shark Joined: Aug 2004 Posts: 1,067 | Personally, because I feel changing head gaskets is a bit of a hassle, I use the Permatex copper spray sealant on my gaskets before I put them on any engine, regardless of the type of gasket. Seems to work good, last long time. And improve sealing too.
52 GMC 3/4 ton pickup
68 Big Block Vette
68 455 Firebird
| | | | | Joined: Aug 2005 Posts: 6,377 Ex Hall Monitor | | Ex Hall Monitor Joined: Aug 2005 Posts: 6,377 | I don't claim to be an expert but I didn't use sealant on my 216 & haven't had a problem. Just torque it to spec. & you shouldn't have a problem.
Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.
| | | | | Joined: Feb 2008 Posts: 70 Wrench Fetcher | | Wrench Fetcher Joined: Feb 2008 Posts: 70 | Hot rod dad....i see your holding a 68 corvette...i started my 68 corvette collection 20 years ago.......ive aquired 4 over the years.....3- 427-435 tripower and 1 427-400.....they are getting harder to find these days and thank god the 68 was my favorite year and not the 67.......the 68 was also the most narrow out of all the corvettes...out of all my antique autos the 68s are my favorite.....nice sunny day pull the top down and cruse down the road.........but the trip is short because of the price of aviation fuel......i take a drive to the local resturant and drive back and ive used 20 bucks worth of fuel...and thats just taking it easy....well thank you all for the information on the gasket......your input is always appreicated | | |
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