Miata Turbo Forum - Boost cars, acquire cats.

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-   -   CHRA/turbine bolts relaxing. (https://www.miataturbo.net/general-miata-chat-9/chra-turbine-bolts-relaxing-55717/)

fooger03 02-18-2011 11:03 AM

Well I for one have OVER a year of twisty-roads experience :giggle:
http://cache-04.gawkerassets.com/ass...itwrong_01.jpg

mgeoffriau 02-18-2011 11:05 AM

Is that Obama's high-speed rail? I like.

hustler 02-18-2011 11:07 AM

We almost made it to page 2 before going off topic, lol.

leatherface24 02-18-2011 11:11 AM

I used to road race with my old FD many moons ago. I know what its like man and trust me no one is down playing the abuse that your car is taking on the track. Its respectable no doubt.

The only reason I havent hung the tach for that long at that high an rpm is that I am still on the stock block at 27psi with maxed out injectors. Once the new block is in, ill peg it at 7300rpm for a little while on the highway. Sorry, best I can do match your high levels of testosterone lol

mgeoffriau 02-18-2011 11:13 AM

Sorry. More pics of turbo cranes:

http://www.californiatreeequipment.c...crane/9163.jpg

No, for realz.

http://img.photobucket.com/albums/v6...g/DSC00663.jpg

http://lh3.ggpht.com/_gVb57v5ozjI/Sm...ward%20034.jpg

turotufas 02-18-2011 11:15 AM

That one looks almost too sturdy.

leatherface24 02-18-2011 11:16 AM

No it looks like what Hustler needs

fooger03 02-18-2011 11:19 AM


Originally Posted by turotufas (Post 691531)
That one looks almost too sturdy.

Hustler will break it. That's why we can't have nice things around here. Needs moar triangulation.

BenR 02-18-2011 11:22 AM

I'll have to upload a picture tonight. The way my turbo and wastegate actuator sit, I made a simple L bracket that connects the compressor and the actuator to the head, using the location of factory engine removal bracket.

shlammed 02-18-2011 11:24 AM

http://lh3.ggpht.com/_gVb57v5ozjI/Sm...ward%20034.jpg

i have seen this unit (or another agtronic one) first hand and i can say that it is sturdy. the tripod is suuuper solid and the shafts are supposed to absorb vibration/weight while allowing for thermal expansion and contraction with the small amount of play. (which would be a concren of mine since everything gets sooooo hot)

hustler 02-18-2011 11:41 AM

I still want to know why they tie it to the turbine and not the compressor, it's a real bitch to hit the turbine there.

curly 02-18-2011 11:48 AM

Can we get a few pictures of your engine bay in this thread? Seems like all of these would hit your hood or just be impossible for your setup.

shlammed 02-18-2011 11:48 AM

because if you tighen down on the compressor side and thermal expansion happens, your adding torque to the flange area where as with it on the hot side your pulling directly on the axis of the flange.

mgeoffriau 02-18-2011 11:53 AM

I still like the kludgy Soviet engineering of this one:

http://img.photobucket.com/albums/v6...g/DSC00663.jpg

hustler 02-18-2011 11:54 AM

holy shit, Agtronic is legit:
http://www.agtronicmotorsport.com/ad...ew_gen_087.jpg

hustler 02-18-2011 11:55 AM


Originally Posted by curly (Post 691561)
Can we get a few pictures of your engine bay in this thread? Seems like all of these would hit your hood or just be impossible for your setup.

http://farm6.static.flickr.com/5014/...3b8a2e86_b.jpg
Any thoughts on attaching it to the v-band coupler's extra thread?

shlammed 02-18-2011 12:06 PM

i think its because your turbo wants to run more boost.

i dont know that the extra thread would give any quantifiable difference being that the coupler will just be stable and float so to say in relation to the turbo/mani if you did it that way.

hustler 02-18-2011 12:08 PM

http://i53.tinypic.com/2gvlseh.jpg
I don't know how I'm going to tie it into the turbine, but I gotta figure this out.

I called Agtronic and they weren't too complimentary of TiAL, aparently Savington and I aren't the only ones with this problem. They are no longer using TiAL housings on racecars, lol. I still think I can fix this, but I'm not sure if I'd rather put the brace on the bolts that relax, or the compressor housing.

Maybe going from the bottom is the best option if we go to the turbine side, it's just not easy to get there.

shuiend 02-18-2011 12:31 PM


Originally Posted by hustler (Post 691573)
I don't know how I'm going to tie it into the turbine, but I gotta figure this out.

I called Agtronic and they weren't too complimentary of TiAL, aparently Savington and I aren't the only ones with this problem. They are no longer using TiAL housings on racecars, lol. I still think I can fix this, but I'm not sure if I'd rather put the brace on the bolts that relax, or the compressor housing.

Maybe going from the bottom is the best option if we go to the turbine side, it's just not easy to get there.

So what V-Band housings are they using on the race cars?

hustler 02-18-2011 12:44 PM

http://i55.tinypic.com/oism7a.jpg
http://i55.tinypic.com/ogjkw5.jpg
http://i55.tinypic.com/6yh6it.jpg
http://i56.tinypic.com/x6in89.jpg
http://i56.tinypic.com/34jewqt.jpg


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