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Smoke and exhaust leak, Vid inside

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Old Oct 26, 2008 | 03:02 PM
  #1  
donz's Avatar
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New FDguy
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From: Canada
Smoke and exhaust leak, Vid inside

So I am wondering if it's rebuild time for my 7, as there is some smoke issues. There seems to be more smoke when it was under boost the other night on my last drive before parking it for the winter. It also has smoke when i had it warming up. The car starts up pretty easily when the battery is charged.

I know it's hard to diagnose problems from a short clip be please give it a go. I live in an area where rx7's are pretty rare, so there are not really any shops around.

here is a brief mod list of things that matter
haltech e8
single turbo turbonetics 62-1 (i think)
550/1600 injectors
v mount
full exhaust, no cats.
street port
rebuild about 8k miles ago (unconfirmed)
premix, 1/2 quart amsoil hp injector 2 stroke oil per tank

on start up today I noticed that there was some exhaust smoke coming out of the connector to the exhaust side of the turbo. There looks to be a clamp there so I'll go tighten that up when the thing is cooler. I assume that that exhaust leak is not good for spooling. The car also has some electrical issue, the battery will drain within 2 days, but I assume that's another story.

here is a vid of the car warming up, my girlfriend helps me rev it a little, and the end I try to take a shot of the exhaust leak from the turbo. please leave me a comment. thanks

http://www.youtube.com/v/TDwOC4E9RLk
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Old Oct 26, 2008 | 05:29 PM
  #2  
badddrx7's Avatar
All Spooled Up
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From: Ironton,ohio
The exhaust leak in the engine bay may be coming from a "V" band connection. I suggest you spray it with pb blaster and first LOOSEN it. Spray it again after it's loose, get it all the way around. Then tighten it back up. The lube will help the band pull the flanges up square.

engine sounds good.

The smoke looks about normal for a FD starting up, but you pre-mix. Could be your turbo oil seals starting the leak a little. Could be a rich mix too. Does it smell of oil or gas ? You need a wideband to tell you what's going on there.

I would not be too concerned right now if it's boosting good and not putting down a James Bond type smoke screen upon boost.


Later
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Old Oct 26, 2008 | 06:06 PM
  #3  
donz's Avatar
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From: Canada
thanks tom. That's basically how I feel. If things need to be reworked it will be in the spring. I just don't really have anyone's car to compare which freaked me out a but when it comes to the smoke issue.
The car is also tuned pretty rich according to the previous owner, and also by Steve Kan, but that is unconfirmed. I do believe the previous owner is a good guy though.
I can't tell if it smells like gas or oil honestly. It really smells like a snowmobile or a gas lawnmower if you ask me...
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