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Got my new turbo tune, and now my car sounds like a Subaru (w/ video)

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Old 02-15-2013, 01:03 AM
  #176  
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Originally Posted by mfishe12
You have no idea exactly how much can get lost in translation Between a service adviser and the technician.
ill get a repair order that says " check noise" .....what noise? Engine, suspension, dash rattle? Talking to the vehicle owner almost always help clarify!
I have no doubt! The initial phone call I got was evidence enough that either I wasn't speaking the same language or my instructions were simply not clear.

I do know that the level of modification to the car was enough to provide some hesitation. The primary point being that if you plan to heavily modify the car beyond what the engineering was intended then you best be prepared to be the expert on it .
Old 04-15-2013, 04:28 PM
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Bump for updates.
Old 04-16-2013, 03:06 AM
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Just picked up the car on friday and drove it home ! Havent driven it much yet but it definately feels strong in the midrange when I was cruising home on the autobahn. I used the last tune I got from MM to drive it home, so needless to say I'm going to have to start the datalog/tuning process over with MM--- the intake/exhaust porting being the biggest change to engine.

As far as the build went everything went great, Javier20b is truly a rotary head and can pretty much work on rotaries with his eyes closed. The guy has all the specific tools and parts needed to work on rotary engines---anything other type of engine, not guaranteed lol. Showed me pics of his past builds back home and some of his buddies cars, he even showed me an article in Super Street where he was mentioned as the engine builder on one of their feature cars. Pretty cool stuff.

The damages:
-Broke all 3 apex seals on front rotor/ replaced all with Rotary Aviation apex seals
-Front rotor gone/ replaced with used rotor
-Front housing gone/ replaced with brand new OEM housing

-Broke 1 apex on rear rotor/ replaced all with Rotary Aviation apex seals
-Rear rotor slight damage/ was able to salvage the rotor
-Rear housing had 1 (!) gouge down the middle/ had to replace with brand new OEM housing

The porting and polishing of the intake and exhaust ports turned out great, much larger and smoother openings. He left for helicopter training recently but hopefully he can log on soon and post pics from the build!

Last edited by Rotary_Redliner; 04-16-2013 at 06:28 AM.
Old 04-16-2013, 04:20 AM
  #179  
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did you break in the engine or just start beating on it?
Old 04-16-2013, 04:26 AM
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Haven't driven it much, javier20b told me to break it in alternating between steady state with some occasional pulls and change the oil after 500 miles.

Last edited by Rotary_Redliner; 04-16-2013 at 06:29 AM.
Old 04-16-2013, 10:31 AM
  #181  
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Originally Posted by Rotary_Redliner
Haven't driven it much, javier20b told me to break it in alternating between steady state with some occasional pulls and change the oil after 500 miles.
Word...

I usually follow racing beats break in procedures.
Old 04-16-2013, 11:34 AM
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lol yep your video sounded my my06 WRX.. lol good for me bad for you. O_O.
Old 07-08-2013, 11:47 AM
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The tear down

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Old 07-08-2013, 11:50 AM
  #184  
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Is this the new engine or the old one?
Old 07-08-2013, 11:54 AM
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The build

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Lots of fun.
Old 07-08-2013, 12:17 PM
  #186  
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Dude thats wayyyyyy too much meat out of the exhaust ports...

Of course thats just my opinion I know nothing.
Old 07-08-2013, 04:14 PM
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Racing beat template.
Old 07-08-2013, 04:39 PM
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Racing beat template doesn't touch the secondary ports and does not make the exhaust port that big.

I am mainly concerned with the exhaust port though being wider..

At this point it doesn't matter, whats done is done.
Old 07-08-2013, 04:45 PM
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looking good!

looks like atkins solid corner seals and perhaps rx7 apex seals?
more details please
Old 07-08-2013, 05:00 PM
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Old 07-08-2013, 05:07 PM
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I'm well aware of the porting template I've ported 5 sets of irons.

From the pictures it looks like you cut into the outside of the port (side that faces the manifold) a little, making it wider that will reduce engine longevity.
Old 07-08-2013, 05:15 PM
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So they don't touch the secondary ports on the instructions.
Old 07-08-2013, 05:22 PM
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What they call the lower intake port I call the secondary port, it looks like you cut into that pretty hard.

But that doesn't have to do with the exhaust port... Which is where my main concern is.

I've never cut into it that hard, from what other members have experienced the corner seal starts chewing up the exhaust port when its been opened up too far like that.

Since you are using solid corner seals I am assuming its going to cut into it harder.

I could be completely wrong though, only time will tell.
Old 07-08-2013, 05:47 PM
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still waiting on them details!!
Old 07-08-2013, 05:54 PM
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Ok sounds good will see
Old 07-08-2013, 05:56 PM
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Sorry for that. Atkins solid corners and aftermarket apexseals for rx8 not rx7s.
Old 07-08-2013, 06:07 PM
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Nice!!

have you had good luck with the solid corners in your other builds?
I used them with mine, however I milled my rotors for rx7 apex seals.

has Rotary_Redliner got a different tuner or is he going to risk MM again, MM blew my motor the same exact why, I have been tuning for myself ever sense.
Old 07-08-2013, 06:09 PM
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Very good luck with them never had any issues. He is still going with MM but the motor is much stronger. He lives an hour from me so it's easier for him to doit that way plus I told him to go easy.

Last edited by Javier20b; 07-08-2013 at 06:11 PM.
Old 07-08-2013, 06:16 PM
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MM tends to push the cars much leaner then necessary, I had a complete tune done, did a dyno, and he wasn't happy with it so he leaned it out a few more tunes and boom.

I hope he has better luck this time.
Old 07-08-2013, 06:19 PM
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Wao these engines love to be a little fat at top end to make them reliable. WTF


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