I'm installing a midpipe...
Guys
I'm installing a midpipe. While I'm at it, I'll be installing a Racing Beat exhaust as well. Here's the thing. The Racing Beat exhaust only comes w/ one set of exhaust gaskets. What about the front of the midpipe? I was hoping to obtain a 2nd set of Racing Beat exhaust gaskets from a local forum member. But what IF there isn't one available? What do you guys do? I looked at the DIY exhaust gaskets at my local Kragen, but it looks rather flimsy (paper that resembled thin corkboard). I was questioning whether that stuff will be able to withstand the heat from the rotary. So...what do you guys do to buy/make/modify an exhaust gasket? |
Maybe I am missing on part of the reading but can't you just go to Mazda and get one of their gaskets for exhaust make from metal? Think it was like 8 $ last time I went.
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Originally Posted by dradon03
Maybe I am missing on part of the reading but can't you just go to Mazda and get one of their gaskets for exhaust make from metal? Think it was like 8 $ last time I went.
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i made a set of gasket for my exhaust out of metal awhile back and its doing just fine.
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The Mazda ones are 2.5" opening, not 3" opening. Any midpipe you buy SHOULD come with two 3" exhaust gaskets.
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Most after market RX7 exhausts are 3", the stock Mazda gaskets are 2.5". Just do a google search for 3" exhaust gasket and you will find a lot of places selling them. I pay $6.00 a piece and buy them 10 at a time.
Hope that helps, Dan |
The midpipe is 3" and is a USED midpipe (not new). That is why it didn't come w/ gaskets.
The exhaust is a brand new Racing Beat unit. But of course, they only supply one gasket set for their product. Also, the Racing Beat gasket looks to be comprised of a paper/composite fiber core, w/ a perforated metal exterior. Any feedback on what material is best to make an exhaust gasket from? So I guess my options are to find someone locally that has them. Or make one myself? Do I need to apply any gasket sealant type stuff on? Or is it a simple bolt on affair? |
I just bolted mine up with no sealant. I did notice that depending on the size of the bolt holes in your flanges, using heavy duty washers on both sides seals the joint much better. Just a suggestion.
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I have tried, with resounding failure, to make my own. The damn turbo rotary EGTs nuke even the highest-end Mr. Gasket exhaust gasket material within 1000 miles. And cutting the good Mr. Gasket ("Ultra") is a pain since it's wire mesh reinforced. The RTVs also nuked quickly. Maybe it was just my car, since I later removed a dripping injector that may have been causing abnormally high EGTs, but even when I had the gasket put in after the stock cat they toasted fast.
It seems to me the standard exhaust gasket (including racing beat) is made of a sandwich of foil and fiberglass. I think the downside is you can't trim them, so it's best for this material to find the best fit for off-the-shelf. I spent some time trying to find another vehicle (truck) with the same 2-bolt/3" pattern, but I gave up and just ordered a few from Racing Beat directly. Dave |
Originally Posted by DomFD3S
....Do I need to apply any gasket sealant type stuff on? Or is it a simple bolt on affair?
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Turns out, Importparts.com has Greddy 80mm exhaust gaskets in stock.
http://www.importparts.com/shop/prod...oducts_id=2382 And they are on my drive home. So I'm going to pick this up and see how things work out. It is cheaper than the Racing Beat gaskets...so I hope it works (I don't see why not). I'll post what I find out. |
i bought my gaskets off of rx7.com... in their midpipe section, you can just buy Main Cat Gasket for $7.50... i bought multiple wen i installed my racing beat... heres the link...
http://www.rx7.com/store/rx7/fdexhaust.html Sean |
Must be nice, having a notable performance shop within driving distance, much less on my drive home....
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Originally Posted by dgeesaman
Must be nice, having a notable performance shop within driving distance, much less on my drive home....
keep us posted on the greddy gaskets, and how they work out.... brad |
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