ok i know that our cars are expensive to maintain and being as it's my daily, i have to take care of her. but $110. for a turbo to downpipe gasket seems a little bit like a typo. i was at the rx7.com site and it seemed a little odd. is this the going price or is there another gasket everyone uses? I'm getting my parts together so i can put my down pipe and muffler on the same day the next day get the high flow cat and midpipe done. what other gaskets can work? thanks.

 

ouch!

 

http://mazdatrix.com/getprice.asp?partnum=13-491A-N3B7

this ones cheaper..by about 10 bucks..

 

I think I paid $70 for mine from Ray at Malloy. Not a part to skimp on either because it takes a lot of heat and you do not want to remove/reinstall a downpipe if you don't have to.

It is a multi-layered custom gasket to be fair, but like a lot of FD parts seems to cost 2X what it should.

 

I forgot how much I paid for mine at Malloy but it wasn't that much. One thing Ray told was if you order a kit that has all the gaskets on that side of the motor it will cost you the same as just that gasket.

 

I just ordered the 110 dollar downpipe from rx7store and it comes with this gasket.

 

Yeah I've paid this much for a gasket before but man I don't think it's that bad when I just paid $72 for a damn fuel filter at my Mazda dealer. Oh well we gotta keep our cars running right?

 

I too nearly just spent way too much for a replacement, however I just spent $110 including shipping for everything to move the fuel filter from behind the diff, to the engine bay. New filter is an Earl's w/ SS filter element, and all the parts included a gauge. Changing out the filter is a PITA if ya don't relocate.


BTW, when I did my downpipe, it didn't come w/ a gasket, but reusing the original worked fine for me.

 

Thats how mine came 3 years ago, I might even have it laying around still.

 

I have an extra one i think.. have to check (i'll get back to you tomorrow)... If I do i'll let it go for under 70

 

I didnt use a new gasket on my engine rebuild, and mine is fine.

 

i may have one laying around. new of course. If i can find it i'll send it to ya for nothing. I don't need it as i am a single turbo. And i don't work on enough of them since i moved. So if i have it it is yours. I'll get back to ya in a little bit.

Dave

 

That's an amazing offer. If for some reason he doesn't need it, I'll buy it.

These gaskets have consistently increased in price over the last 3 years - they were about $80 in 2003, and now they are around $100. If you haven't bought one recently then do a price check.

I've experimented a little bit with using a sturdy knife to 'unsqueeze' a used gasket so that when it clamps down it will seal better. I take the knife and carefully push it between the layers toward the center - as the knife gets close to the inside edge, it thickens the gasket some.

I don't have any way to prove it works as well as a new one, but it's clearly better than simply reusing the used gasket in its pancake-flat state. IMO, it's very important to get a new or unsqueezed gasket anytime you change either the manifold or downpipe. It's less important if you're re-using both.

Dave

 

I seem to remember that Ray sold a gasket kit for the manifolds. ( intake UIM, LIM exhaust etc... it was like 120-130 or so. It had the DP gasket in it. I ususally bought those kits from him to have at my shop in Hawaii. So i wouldn't have to wait for 1 gasket. That's how i have some laying around. Now the question is did i bring them with me from there

 

Dand that is crazy! I just sold a new one to a forum membert for $25 lol

 

I have two or three extra ones if anyone needs one ( used but in great shape ) - $20 each shipped

tom

 

The people at http://www.rotaryaviation.com/install_gaskets.htm sell a whole kit including the gasket you need for 163 +10 for shipping.

 

I installed my downpipe and reused the one I had.... no ill effects.... but then again my car only had like 65k on it.

 

I got you beat. I've reused mine twice. When I put the downpipe on, and then when I pulled the engine to replace the clutch.

 

I was at the local stealership just a few days ago and asked the price for sh*ts and giggles. $118. fortunatly though, the guy at the counter loves rotaries and give me a deal on all the parts cause he knows how overpriced the parts are.

 

that's a bit...drastic for pricing. I don't even remember what mine cost but it's sitting out in my garage brand spankin' new and i just reused my old one as it wasn't messed up or any of the like.

T.c.

 

This may be a stupid idea....

But I have some gas powered R/C cars. The engine & exhaust get over 200 degrees easily. A lot of guys use high-temp silicone instead of gaskets between the engine & exhaust... & it actually works better. The high-temp silicone I have is rated over 700 degrees... so heat wouldn't really be an issue... don't know about pressures though... would using high temp silicone instead of gaskets for the exhaust work... I know it's comparing bananas to much larger bananas... but it does work on a tiny version of an engine...

Any thoughts?

 

According to this post,
https://www.rx7club.com/showthread.p...hlight=egt%27s

Exhaust Gas Temperatures are well over 1000 degrees F.

-s-

 

And some other evidence is that sometimes a downpipe will glow dull red or orange. That's also in the 900-1100 degree range.

Dave

 

Oh... I didn't realize it got THAT hot! Since you brought that up... I was just kidding!