Upgrade Exhaust
Elder User
Joined: Aug 2012
Posts: 567
Likes: 2
IMHO my long tubes, y pipe, muffler, 3'' out sounds pretty nice.
Hotshot
Joined: Sep 2001
Posts: 11,958
Likes: 228
A good single 3 inch exhaust is plenty. I always wanted true dual exhaust, but have decided to keep my 3 inch Magnaflow setup. The general consensus is that low end and mid range power are better with a good single exhaust. Many Bronco guys also agree.
Fleet Mechanic
Joined: Sep 2013
Posts: 1,504
Likes: 8
From: Indian Falls, New York
I disagree. I have dual pipes and a ton of low end torque. That said, this engine being used was built for plowing but with a single exhaust I feel like its being strangled. That might be different with a large diameter pipe but I use dual 2.25" pipes and it is not lacking any grunt that's for sure.
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Elder User
Joined: Jun 2013
Posts: 712
Likes: 0
From: Booneville, Missouri
Exhaust System
[quote=boonslick;13711071]Hello Conanski.
After a lot of research I have changed my mind and will use short headers. I am looking at Pace Setter #72C1322.
My question is that the picture shows a bung on both collectors. What are they used for?
I will run the exhaust straight from the headers to 12" Cherry Bomb Glasspacks. Will 2.5" provide enough back pressure?
Thanks!
Mark
After a lot of research I have changed my mind and will use short headers. I am looking at Pace Setter #72C1322.
My question is that the picture shows a bung on both collectors. What are they used for?
I will run the exhaust straight from the headers to 12" Cherry Bomb Glasspacks. Will 2.5" provide enough back pressure?
Thanks!
Mark
Got it! I will go with the 2.25" as you stated. I would also prefer "long headers" but the good ones are very expensive and take up a lot of room.
Moreover, none that I viewed were "tuned". Perhaps some of the guys would recommend some good long headers.
A Summit Racing video stated that I have to have the truck at least 36" off of the ground for installing long headers from underneath the vehicle and I am not able to do this.
Thanks!
Mark
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Elder User
Joined: Jun 2013
Posts: 712
Likes: 0
From: Booneville, Missouri
Exhaust Headers
Boonslick, what are you paying for the shorties if you don't mind me askin?
Here's the wires http://api.viglink.com/api/click?for...38374916192310
You'll be okay with 2.25 or 2.5 just personal preference, the sound tone definitely changed switching from 2.25 to 3
Here's the wires http://api.viglink.com/api/click?for...38374916192310
You'll be okay with 2.25 or 2.5 just personal preference, the sound tone definitely changed switching from 2.25 to 3
Mark
Hotshot
Joined: Sep 2001
Posts: 11,958
Likes: 228
I have talked to several people with stock or nearly stock trucks that said true duals either hurt their low and or offered no gains at all. I'm sure I might have a different opinion if it was on a built engine with heads cam etc.
Hotshot
Joined: Sep 2001
Posts: 11,958
Likes: 228
I know its not exactly the same, but my friend had an early 90s Chevy truck that had a TBI 350. He put true duals on it with 2.25 pipes. That truck was never the same after that. Its fuel economy was terrible afterwards.
Logistics Pro
Joined: Mar 2012
Posts: 3,507
Likes: 121
From: Oregon
Buy the Summit Racing brand ones then. They are Pace Setter brand headers for half the price.
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Lead Driver
Joined: May 2011
Posts: 5,800
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I disagree. I have dual pipes and a ton of low end torque. That said, this engine being used was built for plowing but with a single exhaust I feel like its being strangled. That might be different with a large diameter pipe but I use dual 2.25" pipes and it is not lacking any grunt that's for sure.
Lead Driver
Joined: May 2011
Posts: 5,800
Likes: 455
its actually the other way around, the difference in torque is magnified with an engine that produces more torque via head/cam modifications. if we were talkin an 8000 rpm solid roller engine, true duals might be advantageous (we are talkin 4" y pipe territory depending on displacement), but for all intents and purposes the y pipe will always promote torque production and the difference will be more substantial with a modified package.
Fleet Mechanic
Joined: Sep 2013
Posts: 1,504
Likes: 8
From: Indian Falls, New York
i could slap true duals on my truck and still have "a ton of low end torque", but it will always be more with a y-pipe. you cut your scavenging down substantially without a y pipe, hence the torque loss. for those who get long tubes and finish the system off with true duals, much of their torque gains are negated by preventing the pulses from helping each other bank to bank, not just cylinder to cylinder on one head. you dont have to listen to me, any good tuner/builder will tell you the same thing.
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Elder User
Joined: Jun 2013
Posts: 712
Likes: 0
From: Booneville, Missouri
I will attempt to use the existing Glasspack as I need to save some money for a 3G Alternator that was not figured into my budget: Reupholster the seat and new carpeting, installing a complete MSD ignition, the exhaust system and finally painting the truck. It will obviously change but all of the above will cost approximately $4,750.
Mark
P.S. I will ask David at the muffler shop about Dynomax Bullets.
P.S. 2 If the timing is right and you do not have other plans for the shorty headers perhaps I could "take them off your hands". Not supposed to mention ##### in this section.
Elder User
Joined: Jul 2012
Posts: 769
Likes: 0
From: Poplar Bluff, MO
Boon, that might work out bud.. Hell I'm only 5 hours from you.. But my headers only have about 200 miles on em.. So ill sand blast em and let ya get em off me at a tiny fee :P but my y pipe was custom made.. Meaning me and my pops built it out of pipe and our bender.. I'll post detailed pics of my exhaust system for you tho so you can see
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Elder User
Joined: Jun 2013
Posts: 712
Likes: 0
From: Booneville, Missouri
Exhaust System
Boon, that might work out bud.. Hell I'm only 5 hours from you.. But my headers only have about 200 miles on em.. So ill sand blast em and let ya get em off me at a tiny fee :P but my y pipe was custom made.. Meaning me and my pops built it out of pipe and our bender.. I'll post detailed pics of my exhaust system for you tho so you can see
That would be great and I am in no rush to obtain the initial parts: Headers, Y-Pipe and perhaps a Catalytic Converter(still not sure about using a cat).
Which headers are they? Perhaps you could provide me with a website and part #. I am going to use 2.5" from header to tailpiece so I would like to know what you have.
If I had the funds now I would look for some heads off a Mustang 5.0L as I understand that they would fit my 5.0L. I especially would like to obtain a set of GT40 heads.
Thank You!
Boon