You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. By joining our community, at no cost, you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is free, fast and simple, so please join our community today!
So i was wondering if i should use the gaskets already on there, replace it with a new stock one, or get an aftermarket metal one. If i get new ones anyone have part numbers for the gaskets? I need pictures if i get aftermarket one, i dont know what they look like. I got a HKS DP and coated it with JetHot2000.
I recommend staying with mazda oem. Call up Ray Crowe at Malloy Mazda at 888 533 3400, he gives rx7club discounts and usually ships free. I'd recommend getting new copper nuts as well as the gasket. You don't need part #s, ray will know what you need
RIP Chris Carlisi, 6/5/08 Every man shall be held accountable for every one of his actions. The question is not 'if,' but 'when.' Down to dos amigos: 1995 BB PEP (35k miles), 1990 triple black vert (167k miles)
Thanks to all those who attended the 2013 Carlisi Memorial Meet!
they are usually in good shape, you can reuse them but it's all in personal preference as if there is a leak it can warp your downpipe flange. there is no aftermarket manufacturers for those gaskets that i know of, i wouldn't trust many manufacturers with a gasket that sees 1800F anyways.
just take a torch to it and get it red hot, this is to expand it. then when you put it on and bolt up the exhaust, you are mashing it down again creating a good seal
It's made of steel, not lead. Heating it to red hot is merely a massive pain in the ***. It won't make the gasket undeform to its original shape. Nor will it soften it to the point that it will crush further.
IMHO, the best policy is to change the gasket anytime you change either the downpipe or the turbos. Reusing the gasket generally works if it's the same parts. You also need to be sure that the studs/nuts, if reused, go to the same locations they were in.
What will make a gasket undeform so it can be crushed again is to use a blade to spread the layers and stretch out the center sealing ring. I've done it; it seems to help. But it doesn't solve the problem like a new gasket does.