dumps before the axle?
Thread Starter
Member
Joined: Oct 2005
Posts: 164
Likes: 0
From: pa
Car: 85 camaro
Engine: 350
Transmission: 700r4
Axle/Gears: 342
dumps before the axle?
i just wanted to hear from people that actually have duals with dumps before the rear axle, im thinking of this for my new setup, any my car is a hard top car, my question is at a long red light or something, how bad will i smell exhaust? i know it wont like fill the car up or anything but will it be enough to notice over normal tail pipes? thanks guys
Joined: Jul 2002
Posts: 1,983
Likes: 6
From: Stamford, New York
Car: 80 SE/TTA;88 T/A GTA;86 T/A
Engine: 4.9L Turbo; LT1; empty
Transmission: TH350; T56; empty
Axle/Gears: 3:23 disk; 4:10 disk ; 3.42 disk
Re: dumps before the axle?
i can't speak from experience...you may notice a difference, but i highly suggest checking local laws...i've heard stories of spending a couple hundred on a dump before the wheel setup and then they had to have it re-done propoerly to pass inspection. Just a heads up.
Re: dumps before the axle?
Mine dump before the rear axle
Ive never had a problem with fumes
If you have rust issues, you may want to reconsider thou
Also, if you do this, aim the dump at the ground. If you leave it strait the interior of the car will resonate and it will sound incredibly loud and unpleasant
Ive never had a problem with fumes
If you have rust issues, you may want to reconsider thou
Also, if you do this, aim the dump at the ground. If you leave it strait the interior of the car will resonate and it will sound incredibly loud and unpleasant
Joined: Dec 2005
Posts: 6,499
Likes: 31
From: Macon, GA
Car: 1992 Camaro RS
Engine: Vortec headed 355, xe262
Transmission: T56
Axle/Gears: 9-bolt 3.70
Re: dumps before the axle?
Hell my system wasnt even completely welded for a while on my car and I never had any problems with fumes at all. I mean I guess if you sit inside a garage with the exhaust facing towards the wall it might be a problem, but that's not any different than any other exhaust.
There's lots of drawbacks to dual exhausts, but fumes definitely werent one of them for me.
There's lots of drawbacks to dual exhausts, but fumes definitely werent one of them for me.
Supreme Member
iTrader: (5)
Joined: Jan 2002
Posts: 13,622
Likes: 5
From: Orland Park, IL
Car: 1984 Z28
Engine: SLOW carbed ls
Transmission: TH400 with brake, 8" PTC converter
Axle/Gears: moser 9" 4.11
Re: dumps before the axle?
Fumes are a drawback if you are running a carb car with a big cam and have to have the idle a little fat. I wouldn't do dumps again on a really big cam'd car and would run them out the back instead.
Supreme Member
iTrader: (17)
Joined: Nov 2005
Posts: 1,104
Likes: 2
From: Leicester,Massachusetts
Car: 1983 CHEVROLET CAMARO Z28
Engine: Forged 355 with a GT45 turbo
Transmission: TKO 600
Axle/Gears: built 4th gen rear with 3.27s
Re: dumps before the axle?
i can agree with ya on the fumes with a carbed engine
Senior Member
Joined: Nov 2005
Posts: 670
Likes: 1
From: Michigan
Car: 1984 Camaro Berlinetta
Engine: 355
Transmission: Th-350
Axle/Gears: 3.23
Re: dumps before the axle?
I've heard people that have developed severe rust issues aft of the dumps, over a period of time.
Trending Topics
Banned
iTrader: (12)
Joined: Jul 1999
Posts: 12,212
Likes: 13
From: Bertram (outside Austin), TX
Car: 87 GTA
Engine: L98
Transmission: 700R4
Axle/Gears: Dana M78 3.27 posi
Re: dumps before the axle?
Rather than shooting it off to the side or straight back, which I think would be quieter inside the car.
Senior Member
Joined: Nov 2005
Posts: 670
Likes: 1
From: Michigan
Car: 1984 Camaro Berlinetta
Engine: 355
Transmission: Th-350
Axle/Gears: 3.23
Re: dumps before the axle?
Well, when anything is burned a large amount of steam is created, plus the large amount of heat dumped under the car will also extremely accelerate the corrosion caused from the steam that gets into every crevice of the underbody. Don't take my word for it, i'm just telling you what i've heard.
Member
Joined: May 2006
Posts: 172
Likes: 0
From: west jordan,UtT
Car: 91 RS, t-topped, man trans.
Engine: 350cid 350Hp crate motor
Transmission: t5 with new stock clutch and parts
Axle/Gears: 3.08 stock -RS
Re: dumps before the axle?
then to prevent rust.....can you dump it before the axle but close to a side exit?
----------
im looking to get a single chambered tube exhaust from summit racing
----------
im looking to get a single chambered tube exhaust from summit racing
Last edited by 1991ON20's; Feb 8, 2008 at 11:31 PM. Reason: Automerged Doublepost
Senior Member
Joined: Nov 2005
Posts: 670
Likes: 1
From: Michigan
Car: 1984 Camaro Berlinetta
Engine: 355
Transmission: Th-350
Axle/Gears: 3.23
Thread
Thread Starter
Forum
Replies
Last Post
rudolphschenker
Transmissions and Drivetrain
1
Sep 4, 2015 02:41 AM







