just called the GM dealer to get the Rivera turbo inlet gasket that I've been using on the GN #1261269 and they say it has been discontinued.I used to use the copper but it always leaked so I switched to this one,does felpro or some other company make this gasket??What year Rivera used it?
What to do for turbo gasket now???
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In reality, that should be all that's required. Unfortunately, for whatever reason, a lot of people got dupped into thinking they needed the copper gaskets at one time or another.
The bad part is, once you place one of those damn copper gaskets, and torque the turbo down, you've just warped both the header flange and very likely the turbo flange as well, dooming that setup to permanent leaks that will always require a thick gasket like the Riv. piece on a permanent basis.
Red Regal T
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Of all places, NAPA to the rescue. They're pretty cheap too. I received from NAPA internet site about 4or 5 gaskets for $15. The gaskets are VICTOR REINZ brand, TURBO RIVIERA GASKET and the part # is G26951. 
MeanBuicks
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You could always break out a honkin' flat file and fix the two surfaces. Then use the RTV.Originally posted by TurboDave
The bad part is, once you place one of those damn copper gaskets, and torque the turbo down, you've just warped both the header flange and very likely the turbo flange as well, dooming that setup to permanent leaks that will always require a thick gasket like the Riv. piece on a permanent basis.
Red Regal T
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I've used my turbo riv gasket over about 3 or 4 times. IMHO, I'd rather use the gasket. Just like on the exhaust manifolds. I'd hate to do all you should do, like file the surface flat, separate the flange and put it together, with NO gasket, and have to do it all over again with a gasket, because it leaked. Avoid problems. Nip it in the bud. Use the gasket.
Avoid problems. Nip it in the bud. Use the gasket. Now I don't know what I should do. I have recently coated headers (flange disc sanded flat) mated to a brand new coated PTE ex. housing. When I start the car I can see water seep through the 2 surfaces. I was going to get a composite gasket and forget about it. Now I'm thinking maybe I should try the RTV since these things are as close to flat as I can get them. I'll probably try the RTV since I think I can sneak it in there without completely removing the turbo. I sure would hate to mess around with my oil return line again after finally getting it to not leak. Any suggestions?
If all you're seeing is condesation leaking, then that's no big deal. I get that even using ultra copper rtv. Don't let that bother you. If you've got "known" good flat surfaces, you should be OK. The factory designed them and the header flanges to be gasketless, and both my GN's have been doing just fine without any gaskets for 17 years now.
It's not a matter of nipping it in the bud. There shouldn't be any bud to nip assuming gaskets weren't used in the first place by someone else, or if you've gotten the surfaces nice and flat.
It's not a matter of nipping it in the bud. There shouldn't be any bud to nip assuming gaskets weren't used in the first place by someone else, or if you've gotten the surfaces nice and flat.
