Notices
Drivetrain Gearbox, Diffs & Driveshafts etc

Bungs! Opinions as to power loss

Thread Tools
 
Search this Thread
 
Old 09 March 2005, 06:42 PM
  #1  
Dave East
Scooby Regular
Thread Starter
 
Dave East's Avatar
 
Join Date: Mar 2001
Location: Surrey
Posts: 192
Likes: 0
Received 0 Likes on 0 Posts
Question Bungs! OK to use everyday?

Hi all

Just got a bung for my Afterburner Vortex, just to quiet it down once the decatted downpipe is fitted (can't wait - yipee!!)

I was wondering what sort of power sapping effect this bung will have.

Also restricting the exit of the backbox - does this have any potential harmfull effects to the engine? (does it increase backpressure - or have I got the wrong end of the stick?)

I've edited this thread - basically what I'm after is an opinion as to whether it is ok to use the bung day to day, every day.

Cheers

Dave

Last edited by Dave East; 10 March 2005 at 09:51 AM.
Old 09 March 2005, 10:55 PM
  #2  
KJD Mk1
Scooby Regular
iTrader: (3)
 
KJD Mk1's Avatar
 
Join Date: Feb 2004
Location: Chilling me boots
Posts: 11,140
Likes: 0
Received 1 Like on 1 Post
Default

Sorry I cant help you with the loss of power with a bung bit but i have just had a full de-cat and remap done and its made my wrx quieter and thats with a vortex and non resonated centre section so get the de-cat done and worry about the bung after

The drone that was present on motorway driving has now all but gone
Old 10 March 2005, 09:29 AM
  #3  
Dave East
Scooby Regular
Thread Starter
 
Dave East's Avatar
 
Join Date: Mar 2001
Location: Surrey
Posts: 192
Likes: 0
Received 0 Likes on 0 Posts
Thumbs up

Getting the remap in June!! That's the next available space! Can't wait!

Really I was just making sure that if I ran the car as normal with the bung in then I wouldn't be doing any long term damage.

But I suppose that people ring the necks of thier scoobys at track days with the bungs in so they can't do that much damage!!

Any more input would be greatly appreciated as I'm going to fit the bung today.

Cheers

Dave
Old 10 March 2005, 12:57 PM
  #4  
DaveW
Scooby Regular
 
DaveW's Avatar
 
Join Date: Oct 1999
Posts: 1,248
Likes: 0
Received 0 Likes on 0 Posts
Default

Depending on the bung, it should just restrict the exhaust by a small amount. So you will lose some top end power but may gain a little bit of torque lower down the rev range.

I run mine with the bung in or out and don't really notice it, but then I don't rev the nuts off my car. On mine with the bung I think there is about 5db difference.
Old 15 August 2006, 05:23 PM
  #5  
wrxmania
Scooby Regular
 
wrxmania's Avatar
 
Join Date: Oct 2003
Location: 1994 WRX STI VERSION 1 No. 21/200
Posts: 2,803
Likes: 0
Received 0 Likes on 0 Posts
Default

Any more opinions on whether a bung will affect horsepower (on a full decat H&S) if used every day?

Brian []
Old 16 August 2006, 11:42 AM
  #6  
VICTORVONDOOM
Scooby Regular
 
VICTORVONDOOM's Avatar
 
Join Date: May 2006
Location: BEDFORD
Posts: 48
Likes: 0
Received 0 Likes on 0 Posts
Default

I've got a 3 inch decat system on my car and regularly leave the bung on - when I have the wife and kids with me on long journeys. You do gain a very slight increase in torque. Don't really rev the nuts off of it so don't know about top end loss. Use it when you want, I don't think it will give you any probs.
Old 16 August 2006, 12:11 PM
  #7  
Neilo
Scooby Regular
 
Neilo's Avatar
 
Join Date: Jul 2003
Location: Behind the wheel of a Time Attack R33 GTR
Posts: 5,734
Likes: 0
Received 0 Likes on 0 Posts
Default

i use the bung in my APS 3.5" all the time unless on track.....it makes the car run ever so slightly richer, which is no bad thing.

Also eliminates the drone.
Old 16 August 2006, 02:17 PM
  #8  
wrxmania
Scooby Regular
 
wrxmania's Avatar
 
Join Date: Oct 2003
Location: 1994 WRX STI VERSION 1 No. 21/200
Posts: 2,803
Likes: 0
Received 0 Likes on 0 Posts
Default

Thanks - these opinions are quite comforting to know - especially running a bit richer.

Brian
Old 16 August 2006, 08:15 PM
  #9  
NeilT
Former Sponsor
 
NeilT's Avatar
 
Join Date: Sep 2000
Location: www.scoobyworld.co.uk
Posts: 1,987
Likes: 0
Received 0 Likes on 0 Posts
Default

just reading this, so thought I'd let you know that for anyone thats interested we'll shortly be stocking bungs for our Afterburner Vortex. £25 inc VAT

Neil
www.scoobyworld.co.uk
Scoobyworld Ltd
Old 17 August 2006, 06:37 AM
  #10  
alanjack
Scooby Regular
 
alanjack's Avatar
 
Join Date: Apr 2001
Posts: 2,100
Likes: 0
Received 0 Likes on 0 Posts
Default

I have a blitz on my 03Sti and it seems to pull much better with it in than out.
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
KAS35RSTI
Subaru
27
04 November 2021 07:12 PM
Mattybr5@MB Developments
Full Cars Breaking For Spares
28
28 December 2015 11:07 PM
Tarling
Subaru Parts
10
19 October 2015 07:58 PM
the shreksta
General Technical
27
02 October 2015 03:20 PM
InTurbo
ScoobyNet General
21
30 September 2015 08:59 PM



Quick Reply: Bungs! Opinions as to power loss



All times are GMT +1. The time now is 03:03 AM.