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  #16 (permalink)  
Old 11-24-2009, 04:34 PM
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Quote:
Originally Posted by itsmecord
Wouldn happen to have your old drawings/dimensions on how u did it handy would you ?
No I don't happen to have the measurements handy,but I can draw you up a schematic in and get you the measurements in a few minutes.
Shane

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  #17 (permalink)  
Old 11-24-2009, 07:39 PM
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A sketch would be awesome. I was leaning towards a bullet design for ease of construction and the fact that the cats will tone it down some to begin with, but I haven't ruled out a chamber design yet either...
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Old 11-25-2009, 05:45 PM
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Here's a schematic with measurements as close as I could get them,3 3/4 inch case thickness.
Sorry I forgot to upload it last night
Shane
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Old 11-25-2009, 06:10 PM
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I wonder what a miniature version of that would sound like on a small C.I out put engine.....
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Old 11-25-2009, 07:30 PM
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Quote:
Originally Posted by itsmecord
I wonder what a miniature version of that would sound like on a small C.I out put engine.....
cross between a 2 stroke dirtbike and a woopie cushion
http://www.youtube.com/watch?v=9hfAi...eature=channel
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  #21 (permalink)  
Old 11-25-2009, 07:39 PM
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Thanks Shane!
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Old 11-25-2009, 08:06 PM
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You're Welcome
Shane
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Old 11-26-2009, 12:09 PM
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Thanks Shane, I see have my mufflers rigth, though my design has more chambers and a tuned pipe in a chamber.

I like the low end torque they let the engine develop.

Augusto.
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Old 11-26-2009, 07:59 PM
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Quote:
Originally Posted by Augusto
Thanks Shane, I see have my mufflers rigth, though my design has more chambers and a tuned pipe in a chamber.

I like the low end torque they let the engine develop.

Augusto.
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Do you have a pic or drawing of yours? Sounds interesting. How do they sound?
Shane
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Old 11-27-2009, 01:13 PM
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I have them removed rigth now 'cos the car is being worked, I'll take a pic later, they sound very good but a little too loud, I like them anyway.

Augusto.
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Old 11-27-2009, 01:20 PM
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Quote:
Originally Posted by Chevrolet4x4s
I made a set of chambered mufflers when I was a senior in high school,but they arent stainless,ran them for a year or so and chnged them out for much lighter cherry bombs when reworking my tailpipes.
Heres a video clip,
http://www.youtube.com/watch?v=sm9Oa5DBD28
If you like the sound and need measurments let me know and I'll try to get them for you.
Shane
That's awesome Shane, Sounds down right (Evil Wicked Mean And Nasty) .

Cole
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Old 11-27-2009, 05:10 PM
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Quote:
Originally Posted by eloc431962
That's awesome Shane, Sounds down right (Evil Wicked Mean And Nasty) .

Cole
Thanks Cole
I've been thinking about buiding a pair out of 16 ga. steel (as opposed to 1/8" and 3/16" used in the shop class specials haha) for the 406,but they may be too loud, its way louder than the 305.

Shane
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  #28 (permalink)  
Old 11-27-2009, 08:07 PM
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please take a look at my mufflers, I think I have them wrong, I don't remmeber exactly how they were made 'cos it's been a while since I made them but I drawed some lines the way I believe they're inside.

from what I can see from the inlet pipe the gases flow into this cone, after it can't see a thing, some weld spots are seen on the carcass but nothing well defined, maybe I make a new set.

can you provide a detailed schematic of the way they are built please?

btw, I'm a very good welder now and have MIG and TIG machines so they will look a lot better this time.
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  #29 (permalink)  
Old 11-30-2009, 08:59 PM
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Let me know what other measurements you need,distance between the baffles?,I'll try and wire brush one of them up,they're off too,so that I can see the weld lines better,I'll get too it as soon as I can,maybe tomorrow evening,Its deer season here,& I ended up with vacation ,so I havent had a lot of time in the garage.
I'm not dowing your work,just my opinion,I would change the set up on your style of muffler a little especially at there rear baffles,seems to me that they would cause a significant back pressure increase that far back into the muffler.
probabaly should angle the second row of baffles also

Shane
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  #30 (permalink)  
Old 11-30-2009, 10:07 PM
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Honestly Shane, do you think it's worth making them this way or would it be better using the proven and true TURBO style mufflers?

I have always made my own mufflers 'cos here it's not a matter of mail ordering or going to the store and buying performance units, all we have here is OEM style, very restrictive and bad sounding stuff.

I have perforated stainlees steel sheet metal with 3/16 holes that I use to make my tubes for the mufflers, also use that white fiberglass for fridges, and they are quite nice, what would you do?

btw, I have always wanted to add a dump valve to a turbo muffler to open it and having a straigth path out to bypass the muffler, but haven't found a suitable device to move the butterfly style valve... any suggestions?


Augusto
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