1986 F-250 Progress Thread
Fleet Mechanic
Joined: Sep 2013
Posts: 1,504
Likes: 8
From: Indian Falls, New York
I love turning heads with loud exhaust. I find it hilarious. Used to drive with nearly open headers/straight pipes for years. The looks you'd get were priceless.
It's loud now but the cab does a good job of keeping most of it out.
It's loud now but the cab does a good job of keeping most of it out.
Thread Starter
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Logistics Pro
Joined: Sep 2011
Posts: 4,491
Likes: 26
From: Algona,WA
Well, if you had the windows up, you could barely hear the person next to you talking, the voice would be all distorted. With the windows down it was even worse. I have tinnitus and don't care for it to get any worse lol.
Fleet Mechanic
Joined: Sep 2013
Posts: 1,504
Likes: 8
From: Indian Falls, New York
Yeah mine with the mufflers is nowhere near that loud inside with the windows up. Not even close, now anyways. Back then, I don't really remember it being all that loud inside but I can't remember much, I was little. I can clearly hear the radio at low to mid volume, have conversations with people etc. It's very quiet in the cab. The pipes dump just before the axle, so outside it's still moderately loud. Here's a scale I made to compare the exhaust volume levels.
Fleet Mechanic
Joined: Sep 2013
Posts: 1,504
Likes: 8
From: Indian Falls, New York
It was basically a bar graph, comparing exhaust volume levels.
Total Value is 15 like open headers, 0 is silent/non-existant
2013 F-150 Stock: 0-1.5
Mine at low idle: 6.5
Mine high RPM: 10.5
Open Headers: 15
Total Value is 15 like open headers, 0 is silent/non-existant
2013 F-150 Stock: 0-1.5
Mine at low idle: 6.5
Mine high RPM: 10.5
Open Headers: 15
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Logistics Pro
Joined: Sep 2011
Posts: 4,491
Likes: 26
From: Algona,WA
Jeez lol. Mine sounds like a V8 diesel at high RPM with that Magnaflow style muffler. It gets loud in a hurry when you step on it. But light throttle it's quiet. The muffler is made by a company called Different Trend. Aluminized body and made internally like a Magnaflow, materials aren't identical but close enough. Lifetime warranty on it from the exhaust shop, too lol.
Fleet Mechanic
Joined: Sep 2013
Posts: 1,504
Likes: 8
From: Indian Falls, New York
Mine is very rev happy. Like my phone can't even handle it, it cuts out the speaker lol.
Mines nothing like a V8 diesel. Those sounds like each cylinder firing is like a pop more than a boom like a gasser V8. That video I showed you when I was 30 yards away hit like 5000 rpm a few times, and you can see how loud it was with mufflers.
Mines nothing like a V8 diesel. Those sounds like each cylinder firing is like a pop more than a boom like a gasser V8. That video I showed you when I was 30 yards away hit like 5000 rpm a few times, and you can see how loud it was with mufflers.
Thread Starter
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Logistics Pro
Joined: Sep 2011
Posts: 4,491
Likes: 26
From: Algona,WA
Mine is very rev happy. Like my phone can't even handle it, it cuts out the speaker lol.
Mines nothing like a V8 diesel. Those sounds like each cylinder firing is like a pop more than a boom like a gasser V8. That video I showed you when I was 30 yards away hit like 5000 rpm a few times, and you can see how loud it was with mufflers.
Mines nothing like a V8 diesel. Those sounds like each cylinder firing is like a pop more than a boom like a gasser V8. That video I showed you when I was 30 yards away hit like 5000 rpm a few times, and you can see how loud it was with mufflers.
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Old School Hot Rodder
Joined: Feb 2006
Posts: 6,472
Likes: 11
From: Exmore, VA
If you want noise levels, you should have heard my 1966 GT-350. At full throttle you could hear it about 3 miles away. When a friend and I ran it at an SCCA track event we used 3" dumps from the headers, we found ear plugs were good for 2 seconds a lap, the noise level was that high!
Post Fiend
Joined: Nov 2011
Posts: 8,908
Likes: 1
From: Algona, Washington
Thanks for the link, I'll keep that in mind. Unfortunately the price is a bit high. I know most people would say to just rebuild my carb and I might do that for s**ts and giggles but I'm not counting on it working. That is just my luck.
Fleet Mechanic
Joined: Sep 2013
Posts: 1,504
Likes: 8
From: Indian Falls, New York
If you want noise levels, you should have heard my 1966 GT-350. At full throttle you could hear it about 3 miles away. When a friend and I ran it at an SCCA track event we used 3" dumps from the headers, we found ear plugs were good for 2 seconds a lap, the noise level was that high!
I have a couple Holley 4 barrels I'm trying to get rid of.
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Logistics Pro
Joined: Sep 2011
Posts: 4,491
Likes: 26
From: Algona,WA
All I can say is you get what you pay for lol. That carb has features not very many other carbs have. IE annular boosters, externally adjustable floats with built in sight glasses. 1 piece top carb, and it accepts all standard Holley tuning parts, because it is a Holley.
Post Fiend
Joined: Nov 2011
Posts: 8,908
Likes: 1
From: Algona, Washington
I'll have to do a bit more research, they have pretty much the same carb as that but without the extra crap ie: useless dvd, wires I can make for cheaper, instructions (who reads those 
), and so on. It does not have the fuel line though which was disappointing. It was a bit cheaper though, still a summit brand.
), and so on. It does not have the fuel line though which was disappointing. It was a bit cheaper though, still a summit brand.