Exhaust leak.. Am i loosing power?
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Exhaust leak.. Am i loosing power?
I recently installed Berk HFCs, a HR Y pipe, and a coupe middy, along with my HKS sport axle back.. I have a tiny leak where the Y pipe meets the middy, the middy was used with over 40K miles so it was rusted and the flange wasnt really all that smooth. I am wondering if i'm loosing any power due to the leak? I've been told that since the leak is after my HFCs it really doesn't affect my performance at all. What do you guys think? I will end up swapping the middy in time, but im still curious as to see if im loosing power...
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that exhaust putty stuff sucks. it will just crack off, I tried it before it held for maybe a couple of weeks. if the flange is not smooth and is pitted you can try flattening it. Do you have a die grinder, put a roloc with 80 grit and it will smoothen it out nicely. If you don't have one you can use a sanding block to level the surface out, but that's going to take some elbow grease. After you get it as smooth as possible, use a copper gasket sealer and that should do the trick.
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any autoparts store should have it with the rest of the gasket makers, threadlock... it's a high temp gasket paste that comes in a tube. You simply coat both sides of the gasket, then bolt it together. I'll fill in any small gaps to make a good seal that won't blow out when it gets hot. You need the high temp stuff or it will just melt out eventually.
this is it. http://www.permatex.com/products/aut...sket_Maker.htm
this is it. http://www.permatex.com/products/aut...sket_Maker.htm
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For some reason i feel like thats not a good idea... anyone else? has anyone tried multiple gaskets?
I dont feel as if it would solve my problem though.. cause the Middy is still gonna be rough and the fitment wouldnt be flush
BTW thank you DHcrocks..
I dont feel as if it would solve my problem though.. cause the Middy is still gonna be rough and the fitment wouldnt be flush
BTW thank you DHcrocks..
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Ahm I'd be careful with the angle grinder unless you really know what you're doing - they can get pretty aggressive. You should be okay with the RTV sealant. It's the same stuff used to make the gasket on the Camaro (LT1) intake manifold, so I would expect it to work for an exhaust application.
You'd probably need to remove the stock gasket if you went that route though; otherwise it would be like using 2 gaskets.
EDIT: to be clear - only the copper RTV mentioned above is recommended for exhaust, so don't skimp and get the red or gray one.
You'd probably need to remove the stock gasket if you went that route though; otherwise it would be like using 2 gaskets.
EDIT: to be clear - only the copper RTV mentioned above is recommended for exhaust, so don't skimp and get the red or gray one.
Last edited by thelarsky; 11-04-2009 at 12:33 PM.
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OEM from the infiniti dealership... i did sand it down alrdy but it still leaked, thats why i wanna take a power grinder to it and really get it smooth. I've worked construction for quite awhile now so im pretty good with using one.. not worried ill mess anything up.. so ill do that and put that copper rtv on the stock gasket and tighten everything up..