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MAGA
Join Date: May 2004
Posts: 10,775
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muffler guts?
Does anyone know what the basic internal design of most 911 aftermarket mufflers is? Do most have fiber glass type material surrounding perforated tubing or do most just have hollow chambers seperated by baffles and linked with perforated tubes?
I am thinking about playing around this winter with some tubing and the tig welder.
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German autos: '79 911 SC, '87 951, '03 330i, '08 Cayenne, '13 Cayenne 0% Liberal Men do not quit playing because they get old.... They get old because they quit playing. |
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12-14-2004, 08:08 AM
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Tim most are fiberglass packed mine are perforated tubes. I also use chambers. It takes a llot of time to figure out what does not drone and what does and what flows free etc. I have learned over the 30 mufflers In the past six months. Good luck
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Ben 89 944,85.5 944 914-6 2.4s GT tribute. 914-6werkshop.com |
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12-14-2004, 08:34 AM
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Registered
Join Date: Sep 2003
Location: Ann Arbor, MI
Posts: 778
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Some cutaways (and opinions) at www.fabspeed.com "Mufflers Exposed" button.
Later-model stuff.
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Project935 Tube Chassis Turbo RSR/934/935 racer - SOLD in 6/'06 Gruppe B #101 What's next? |
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12-14-2004, 08:43 AM
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MAGA
Join Date: May 2004
Posts: 10,775
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thanks Ben,
I have no plans to cut into your business, I just like making and experimenting myself. My other watercooled P cars have exhausts that i have built myself and I pose the question just to see what others know about it. Info gained on this forum can save one some time now and then. Thanks P935 for the link it looks useful.
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German autos: '79 911 SC, '87 951, '03 330i, '08 Cayenne, '13 Cayenne 0% Liberal Men do not quit playing because they get old.... They get old because they quit playing. |
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12-14-2004, 11:02 AM
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Registered
Join Date: Dec 2001
Location: MA USA
Posts: 2,938
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I have made a few mufflers for 930's and other cars. I use SS perforated tubing and Stainless steel wool for packing. If I was smart I would use mild steel to design and test the differerent mufflers. Then when I liked a design I would make it out of SS. That would be much smarter.
Have fun Dean
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Dean 911 SC turbo, 3.0L 930 motor, G50, 930 brakes, DTA EFI, 352 RWHP DynoDynamic dyno, |
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12-14-2004, 05:17 PM
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tim good luck and if you have any questions email me
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Ben 89 944,85.5 944 914-6 2.4s GT tribute. 914-6werkshop.com |
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12-15-2004, 03:33 AM
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MAGA
Join Date: May 2004
Posts: 10,775
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Thanks guys.
Ben, I see you are in Wisconsin. Have you ever attended the EAA Oshkosh flyin? I know you are using 321 SS which is what aircraft exhaust systems are typically made of. I figured you must have some tie to aviation to buy your 321 at a reasonable cost because I know what that stuff costs. Your mufflers are an awesome deal because the 321 SS costs are probably double that of 304 SS. I hope your customers know how good of a deal you are giving them! Good luck with your muffler business!
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German autos: '79 911 SC, '87 951, '03 330i, '08 Cayenne, '13 Cayenne 0% Liberal Men do not quit playing because they get old.... They get old because they quit playing. |
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12-15-2004, 03:55 AM
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Yeah worked the booths for 4 or 5 years also went to the fly in in lakeland florida several times. Of course I can't reveal my sources not like anybody else would get the deal but in interest of making a go of the business. The fly in here is about an hour and a half away from me. Tim like I said I don't have problem giving you an inside look.
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Ben 89 944,85.5 944 914-6 2.4s GT tribute. 914-6werkshop.com |
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12-15-2004, 05:42 AM
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MAGA
Join Date: May 2004
Posts: 10,775
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Thanks Ben, I just sent you e-mail.
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German autos: '79 911 SC, '87 951, '03 330i, '08 Cayenne, '13 Cayenne 0% Liberal Men do not quit playing because they get old.... They get old because they quit playing. |
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12-15-2004, 06:31 AM
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