Resealing oil pan, is Hondabond HT the correct version of Hondabond?
Looking through some older threads, it seems like if using Hondabond, the correct version is the "HT" version. Can someone who has used this product please confirm this?
I know that Permatex is also a potential substitute but I am leaning towards the Hondabond as there have been some recent threads about Permatex products being incompatible with gasoline. Thanks in advance! |
Hondabond ultraflange II is the stuff you’re looking for. Used it on my pan and it’s whats used by Honda for gasketless oil pan sealing.
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Thank you, sir!
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I like Loctite 5900. Its the Porsche oem recommended sealant for oil pans, valve covers, etc. Dries harder than others and is very oil resistant. I've stopped using permatex products after they changed their formulation.
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Originally Posted by IRPerformance
(Post 12238917)
I like Loctite 5900. Its the Porsche oem recommended sealant for oil pans, valve covers, etc. Dries harder than others and is very oil resistant. I've stopped using permatex products after they changed their formulation.
Curious, have you guys had issues with Hondabond? Seeing as you're building the same engines and have been for years, you'd know more than most would. I find it difficult to do a proper comparison between good Sealants, too many variables when I'm using it on all different applications, and if they leak, it takes years to show usually. I've always used Hondabond on everything, and I can't ever recall a car coming back with a leak. Some of the parts store RTV I've used is junk, but otherwise I can't say much in regard to Hondabond besides it always works. The modern watercooled Porsches I've dealt with rarely have leaks from the factory sealant from my experience. I've wondered though, is it primarily due to the quality of their sealant, or the fact that most of those cars are low mileage. |
Originally Posted by Spirit-RE
(Post 12239206)
Curious, have you guys had issues with Hondabond? Seeing as you're building the same engines and have been for years, you'd know more than most would. I find it difficult to do a proper comparison between good Sealants, too many variables when I'm using it on all different applications, and if they leak, it takes years to show usually.
I've always used Hondabond on everything, and I can't ever recall a car coming back with a leak. Some of the parts store RTV I've used is junk, but otherwise I can't say much in regard to Hondabond besides it always works. The modern watercooled Porsches I've dealt with rarely have leaks from the factory sealant from my experience. I've wondered though, is it primarily due to the quality of their sealant, or the fact that most of those cars are low mileage. |
I'm only one data point and Ihor has obviously done way more pan sealing and seen more of them than I'll ever think about. That being said I've had very good success with Hondabond HT over the years all the way back to working in a Honda bike dealership. With the HondaBond you only want to use a small thin coat on both sides of the pieces to be sealed, let it tack for a couple of minutes then put together and like all sealants give time to cure before you put fluid in there.
I've used it on oil pans, trans pans, and differential covers on my car that sees a lot of track abuse without issue. Of course i'm using an aftermarket oil pan though which helps. |
^Limited experience here too. A good pan brace, almost hospital clean surfaces, proper application and torque on the bolts. I've got a 10+ year old leak-free pan with HB. But I'm not going to argue with IRP. I'm sure his stuff works as well.
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Biggest issue aside from the completely flawed oil pan design is gasoline getting into the oil from blow by, causing most sealants to break down over time.
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Originally Posted by Smokey The Talon
(Post 12239306)
I'm only one data point and Ihor has obviously done way more pan sealing and seen more of them than I'll ever think about. That being said I've had very good success with Hondabond HT over the years all the way back to working in a Honda bike dealership. With the HondaBond you only want to use a small thin coat on both sides of the pieces to be sealed, let it tack for a couple of minutes then put together and like all sealants give time to cure before you put fluid in there.
I've used it on oil pans, trans pans, and differential covers on my car that sees a lot of track abuse without issue. Of course i'm using an aftermarket oil pan though which helps. |
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