Hey, I'm doing that tomorrow (going from 2" to 2.25")!
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| Tips on exhaust https://slantsix.org/forum/viewtopic.php?t=32080 |
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| Author: | dusterguy225 [ Thu Nov 06, 2008 1:44 pm ] |
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Quote: Remember to run 2 1/4 pipe no larger or smaller.
Why not 2 1/2 pipes? I was thinking about going 2 1/2 back to the muffler and 2 1/4 dual outs.
Frank |
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| Author: | illldeca [ Thu Nov 06, 2008 2:56 pm ] |
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ya sure a used one and hobart makes some cheap good ones what do you mean by cheap? |
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| Author: | emsvitil [ Thu Nov 06, 2008 3:30 pm ] |
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Quote: Is there any such thing as a cheap MIG??
Harbor Freight on sale...........Joe I haven't had any problems with mine. But I wouldn't recommend the gasless MIGs. Welds are much cleaner (no slag) with at least CO2. |
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| Author: | SlantSixDan [ Thu Nov 06, 2008 4:19 pm ] |
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Bigger is not necessarily always better. You want to keep the exhaust velocity up at the head of the system; too large a pipe spoils that. Besides, the manifold outlet is 2". You can hone it a little to 2 and a fraction, but 2½" is going to make it basically impossible to seal the headpipe flange to the manifold outlet. |
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| Author: | dusterguy225 [ Thu Nov 06, 2008 8:47 pm ] |
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So 2 1/4 is absolutly the largest I should go? |
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| Author: | illldeca [ Thu Nov 06, 2008 8:48 pm ] |
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Quote: Quote: Is there any such thing as a cheap MIG??
Harbor Freight on sale...........Joe I haven't had any problems with mine. But I wouldn't recommend the gasless MIGs. Welds are much cleaner (no slag) with at least CO2. |
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| Author: | Joe Colby [ Fri Nov 07, 2008 4:33 am ] |
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So Dan, Is 2" the right way to go or 2 1/4"?? It would seem that to keep it simple (the old KISS works for me) would be to go with 2" or is that too constrictive? I don't want to start a raging debate here on size!! Thanks. Joe |
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| Author: | SlantSixDan [ Fri Nov 07, 2008 6:20 am ] |
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There's no reason to use 2" or 2½" instead of 2¼", which is a known-good size from every perspective (function, fit, etc.). |
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| Author: | Joe Colby [ Fri Nov 07, 2008 9:14 am ] |
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I guess I'm confused about the exhaust outlet being 2" working with 2 1/4" pipe?? Joe |
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| Author: | SlantSixDan [ Fri Nov 07, 2008 12:20 pm ] |
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It works fine (the factory did it that way starting in '76). |
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| Author: | Joe Colby [ Fri Nov 07, 2008 2:45 pm ] |
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Dan, I'm sorry, you're going to have to walk me through this. You've got a 2" hole in the exhaust outlet, how do you stuff a 2 1/4" pipe in there?? Pictures might help. Once I get the concept I'm fine, but until then..... Thanks . Joe |
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| Author: | emsvitil [ Fri Nov 07, 2008 2:47 pm ] |
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Quote: Dan, I'm sorry, you're going to have to walk me through this. You've got a 2" hole in the exhaust outlet, how do you stuff a 2 1/4" pipe in there??
Pictures might help. Once I get the concept I'm fine, but until then..... Thanks . Joe You don't. The exhaust diameter steps up to 2.25" at the exhaust flange that's flush against the exhaust manifold. |
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| Author: | Joe Colby [ Fri Nov 07, 2008 3:53 pm ] |
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Dan, OK I get it now. Thanks. Joe |
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| Author: | Eric W [ Fri Nov 07, 2008 4:10 pm ] |
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Hey, I'm doing that tomorrow (going from 2" to 2.25")!
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| Author: | dusterguy225 [ Fri Nov 07, 2008 7:24 pm ] |
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Whats the best muffler for a nice deep sound, but its still pretty loud? I was thinking a flowmaster 40 series. |
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