New Member RX-7 Technical Post your first technical questions here, in an easy flame free environment, before jumping into the main technical sections.

New Owner, Exhaust question

Thread Tools
 
Search this Thread
 
Old Nov 29, 2009 | 07:43 AM
  #1  
cjj's Avatar
cjj
Thread Starter
Junior Member
 
Joined: Sep 2008
Posts: 24
Likes: 0
From: London
New Owner, Exhaust question

Afternoon All...

I'm from the UK and am a new owner of a 3rd gen rx7. Beautiful car and has obviously been looked after, but I'm still getting the hang of what is normal and what I need to be worried about.

Its a pretty cold wet winter here at the moment and when I start the engine up, I'm getting a fair bit of white smoke from the exhaust for a few minutes which then subsides. Also noticed I'm getting some black soot / black watery liquid spitting out of the exhaust at start up. Not huge amounts, just enough to be smattered over the hand if you hold it a few inched passed the exhaust tip.

Other threads have suggested this is normal, but would be really grateful if someone could explain what this might be and if I need to do anything.

thanks!

Chris
Reply
Old Nov 29, 2009 | 09:57 AM
  #2  
Aaron Cake's Avatar
Engine, Not Motor
Tenured Member: 20 Years
iTrader: (1)
 
Joined: Feb 2001
Posts: 29,798
Likes: 128
From: London, Ontario, Canada
Just condensation. Overnight with the temperature changes, a good amount of water accumulates in the exhaust and engine. This turns to steam as soon as things get hot enough. The black gunk is just carbon mixed with this water.
Reply
Old Nov 29, 2009 | 12:59 PM
  #3  
cjj's Avatar
cjj
Thread Starter
Junior Member
 
Joined: Sep 2008
Posts: 24
Likes: 0
From: London
nice, thats good to know. Thanks for your help!
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Th0m4s
Build Threads
25
Feb 26, 2019 02:04 AM
12abridgeport
1st Generation Specific (1979-1985)
2
Aug 17, 2015 06:28 PM
Marty RE
New Member RX-7 Technical
0
Aug 13, 2015 11:19 AM




All times are GMT -5. The time now is 05:41 AM.