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Re: Straight pipes? :cool:
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Re: Straight pipes? I would say 1 1/2" would work fine for a stock or near stock engine. Another thing is higher compression, that will make a bark.
In highschool I had a 33 Chebby with a black iron pipe exhaust, my Dad was a plumber. |
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Re: Straight pipes? I agree with the 1.5 or 1.75 pipe statements. I will try to get some video of the difference in sound between them. I think it also depends on your manifolds as well.
36. I'm running stock manifolds, 2into1, 1.75, glasspac, all the wayout to the back. Sounds great, I would suspect just straights would be just a bit louder as the glasspacs don't do a lot really. 38. Cast iron Fentons, duals, 2" pipe, dropped before the rear wheels. LOUD, way to loud for comfortable driving. To me, it gets annoying fast. So if you go straights, I'd suggest 1.5 or 1.75 all the way out to the back. |
Re: Straight pipes? [QUOTE=Tinker;600842]I agree with the 1.5 or 1.75 pipe statements. I will try to get some video of the difference in sound between them. I think it also depends on your manifolds as well.
36. I'm running stock manifolds, 2into1, 1.75, glasspac, all the wayout to the back. Sounds great, I would suspect just straights would be just a bit louder as the glasspacs don't do a lot really. Tinker why are you running 2 into 1 instead straight dual exhaust? And do any of you guys use any sort of equalizer pipe in the center of your duals? |
Re: Straight pipes? Here is my truck. I do have 4" harley baffles in the end of the pipe too. To each their own, but it's too loud, fun sometimes, but loud.
https://www.youtube.com/watch?v=vFA3...t=HL1361978954 |
Re: Straight pipes? The 36 is a stock motor and I just wants a little more sound out of the decent stock exhaust system I already had. So I had from the canister muffler back replaced. Not a huge difference at idle, but a little more punch (sound wise) when you get on it. I'll try and take some video at lunch today.
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Re: Straight pipes? I love the sound of the truck at idle, the days of being heard driving 4 blocks away are over for me :]... well in a street car anyways.
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Re: Straight pipes? Me too Tink! lol I wish those days end for my son too......soon enough I guess
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Re: Straight pipes? ha ha.
My 36 video. I think it sounds decent :]. Raspy sounding, no drone. https://www.youtube.com/watch?v=p7iu-...ature=youtu.be note: The videos sound fairly similar in volume between the 36 & 38. I had the camera less then 2' from the 36 exhaust, and around 7' from the 38. The 38 is definitely at least twice as loud in person. |
Re: Straight pipes? sounds like it means business........... Well back to remedicate I gotts the flu talk to yall ladah
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Re: Straight pipes? I learned a long time ago that loud, "open exhausts" don't actually make a vehicle run better.. In fact, the fuel mileage can actually be lower because the driver has his foot stuck in it all the time, so he can enjoy the "hay look at me" factor..
I forgot to make mention in my earlier posting that my manifolds are stock '36, log style. The 2" head and tail pipes were custom bent by a local muffler man.. My 59 AB engine is over bored .60, has a Weber F1 cam and 9.5/1 compression using 59AB heads that have been extensively modified.. Many years ago I had Offy heads on the engine, went they went to he** I had the stock type heads built for the engine.. As mentioned by other contributors to this thread, the smaller the exhaust pipes, the sharper the tone, i.e., a cracking, raspy pitch, in lieu of a deeper rumble.. During the last several years it has been found that the larger the exhaust pipe (s), the better the engine performs. I had 3" pipes put on my pickup with a chambered truck muffler, improved my fuel mileage by 3. mpg.. No offensive sound was created.. A friend of mine put 3" pipes on his pickup with no muffler.. His mileage went down.. When the truck went by my house it sounded terrible... He did gain the "look at me factor"... Spent $350. for nothing.. |
Re: Straight pipes? mirage>>>What do you mean by black pipe? Like for natural gas plumbing in buildings? And if so what the hell does that weigh? >>>That iron pipe must weigh a ton! >>>
Nah. 1-1/2" diameter gas pipe is less than 3-lbs per foot. Throw in a few pounds worth of elbows & unions and it's still not much. I suppose if you thought your flathead might sound and breathe better with 4" thickwall sewer pipe, that might get you up a quarter ton or so. 8^) Jack E/NJ |
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Re: Straight pipes? I Am Taking The Smittys Of My Flathead Roadster, Just To Quiet With Them
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