2nd Gen Non-Engine/Transmission Exhaust Direction?

[mikepvg]

What are the reasons that the exhaust on diesels go out to the side in stock configuration?



Reason to ask:

W/ 155K on the clock (actually higher due to speedo cable keeps breaking) the last 3 ft of exhaust pipe completely fell off! Oo.

Was planning on welding a piece back in place but noticed a interesting benefit while driving around. This is a straight pipe w/ no muffler & since it is now going straight back & not out to the side, I can NOT hear it. Its VERY Quiet.









Mike

 

[Cummins4Life]

It doesnt really matter where the exhaust exits. The bottom of your truck will probably get covered in soot. Make sure there is nothing in the path of exhaust coming out of your "new" outlet that'll be damaged by heat.

 

[JWaters]

wrong! If you run the exhaust out the rear of the truck it will soot up your tail gate and rear lights, As you go down the road diesel soot will get caught in a vacum and stuck to the rear of your tailgate. Very messy and you dont want that. Run it back out the side or straight up.













































:--) :--) :--) :--) :--)

 

[RKohn]

here's mine...

Oo. Oo. Oo.

 

[RKohn]

and how it's done...

 

[Ian]

Exhaust Outlet.

Just for info.

I drove a '83 GL Volvo for over ten years.

One winter night I backed into a parking lot at a restaurant, shut the engine off and had supper. When I went to leave, the engine would not start. The best I could get out of the starter was about 300 rpm but it would not start.

Turns out on the Volvo the exhaust comes straight out the back under the bumper and I had pushed it into a low snow bank when parking. While out CTD's for sure would have more push down the exhaust than a 2. 3 litre gasser, sure had me scratching my head for a few moments.

 

[CFAR]

Just put a elbow on it, it should keep most of the soot on the road

 

[lmills]

Re: Exhaust Outlet.

Originally posted by Ian

Just for info.

I drove a '83 GL Volvo for over ten years.

One winter night I backed into a parking lot at a restaurant, shut the engine off and had supper. When I went to leave, the engine would not start. The best I could get out of the starter was about 300 rpm but it would not start.

Turns out on the Volvo the exhaust comes straight out the back under the bumper and I had pushed it into a low snow bank when parking. While out CTD's for sure would have more push down the exhaust than a 2. 3 litre gasser, sure had me scratching my head for a few moments.

Like trying to crank it over wth the exhaust brake on huh?

 

[Ncostello]

RKohn, your exhaust is exactly what I was thinking of tonight while driving down the highway. All the fire engines we use at the volunteer department have exhaust like that... mainly because the water tank and fuel tank block the rear off. Many fire apparatus are going to stacks now to prevent folks on the ground operating the truck from choking on exhaust.



Anyway... how do you like the sound. Looks like your running a resonator still. I was thinking about straight. Do your wheels and body get coated in soot? I was thinking if it exited straight out instead of angled back, it may blow out beyond the bodywork and go past it. Then again, straight out also creates alot of back pressure with the air going by at 65 mph.

 

[RKohn]

Neil,



I've been pretty happy with the sound, it's kinda like a deuce and a half. I get some soot on the wheel, but no big deal. I might change the angle a little, better to smoke the ricers with.



It took 2 45's, 1 90, 3 clamps, a universal hanger, and the megs stainless tip, total cost was under $120.



rick

 

[Got Smoke?]

Originally posted by Ncostello

Many fire apparatus are going to stacks now to prevent folks on the ground operating the truck from choking on exhaust.

If only I pulled a trailer more maybe I could use that as an excuse for my stacks plans to the G/F.



"But honey you don't want me to choke on diesel fumes while hooking and unhooking the trailer do you?" :-laf

 

[Straight6Jeff]

The main reason the exhuast exist the side rather than the rear is so that fumes do not get pulled into the bed, especially a concern if you have a cap with sliding rear windows. throw the pooch bach there when it's cold, close the windows, and an hour later you'll probably have a dead pooch (gasser concern more so).

 

[illflem]

Got behind judging by his smoke what appeared to be a heavily modified 3500 a while back. His exhaust tip was turned straight down towards the ground behind the rear axle under the truck. Must have worked, his pearl white tailgate was spotless.

 

[KWIKKURT]

If this attachment works here is a Stack Job we just finished.

 

[Ncostello]

I'd love to have a 4" single stack, but I really have to have a tool box to carry tools, spare parts, filters, etc. I was at Schied two weekends ago and a black 3500 pulled in with a single stack. The sound was unbeatable. I suppose side exit in front of the wheel is the next best thing however.

 

[KWIKKURT]

Originally posted by Ncostello

I'd love to have a 4" single stack, but I really have to have a tool box to carry tools, spare parts, filters, etc. I was at Schied two weekends ago and a black 3500 pulled in with a single stack. The sound was unbeatable. I suppose side exit in front of the wheel is the next best thing however.

I have the 5" stacks. My tool box is moved back 6" and It is 26" X 21". It still fits infront of the wheel wells and down to the Truck Bet. It doesn't get in the way of the Gooseneck or Fifth wheel hitches. I am building a Expanded steel Grated metal box that will fit into the open space above the exhaust "T" and will hold my High Lift Jacks and Logging chains. It will be great getting them out of my tool box since they always are on top of whatever I need to get out of it. After more than a year of using my Truck for business I have found that the stacks are not a problem at all. I haul tons of Hay, Lumber, Firewood and not to mention Lots of Cummins Performance Parts..... L8tr Kurt

 

[Ncostello]

Kurt, is your truck a short bed? I cant tell in the photo. Guess all I'd have to do is measure since mine is short. Looks good.

 

[Berrigan]

Originally posted by Straight6Jeff

The main reason the exhuast exist the side rather than the rear is so that fumes do not get pulled into the bed, especially a concern if you have a cap with sliding rear windows. throw the pooch bach there when it's cold, close the windows, and an hour later you'll probably have a dead pooch (gasser concern more so).

Ditto for cabover campers. The factory routed the exhaust for liability reasons

 

[Got Smoke?]

Originally posted by KWIKKURT

If this attachment works here is a Stack Job we just finished.

Kurt is that one big T-pipe or is that clamped together? I can' tell with the paint. Anyhow I'd love to have one big T-pipe similar to that for my stacks, but I'll be using 4" square tubing:{



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[MCummings]

KWIKKURT!!, Nice to have you posting again, it's been a long while. Business doin' allright?

Originally posted by Straight6Jeff

... . is so that fumes do not get pulled into the bed...

I'm having a bit of a problem with smoke getting in the bed... . although it isn't with Exhaust Smoke... ...



Stacks really help get the soot away from the truck... as shown in the pic.



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Merrick Cummings Jr