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#1 |
Senior Member
Join Date: Aug 2010
Location: Sevierville, Tenn.
Posts: 391
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Next up, since we're running with my new 8ba engine in the car now, is an exhaust system. The 39 frame is stock except for the crossover where the T-5 sits. (Anybody need the stock one?) I'm looking at Van Pelt's mellowtone mufflers. Anybody have any experience in what fits/sounds good? This is a built 270 in. flattie with a lopey idle.
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#2 |
Senior Member
Join Date: May 2010
Location: Kokomo, Indiana
Posts: 1,731
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Brockman's in Hagerstown Indiana make a good custom muffler. You specify inlet dia, outlet dia., case length and fiberglas or steel packing. A good USA-made durable product. Several 'Barners use them, I believe.
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#3 |
Senior Member
Join Date: May 2010
Location: Odessa, FL
Posts: 7,611
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I run steel packed Brockman Mellow-Tones in all our modified (Red's Headers)Flatheads, I love the sound. Vic
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#4 |
Senior Member
Join Date: May 2010
Location: charlottesville, Va.
Posts: 589
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Alot of guys are raving about the Porter mufflers. Go on line and check them out. There is a video on the sound of them. I have a pair on my blowen flathead in my 34 three window.
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#5 |
Senior Member
Join Date: Sep 2011
Location: Spanaway, Washington
Posts: 344
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I have about the same engines in my '40 coupe and PU.
I run straight pipes. They sound beeyootiful! I was worried about them being too loud, but they aren't. Sound great. Ken CT talked me into it. |
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#6 |
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Join Date: May 2010
Posts: 410
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#7 |
Senior Member
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What diameter pipes do you recommend if running straights? 1 3/4" or 2" Or other?
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Ross Murphy 1939 Ford Standard Coupe |
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#8 |
Senior Member
Join Date: Sep 2011
Location: Spanaway, Washington
Posts: 344
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1 3/4" gives the best sound.
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#9 | |
Senior Member
Join Date: May 2010
Location: Southern Illinois
Posts: 3,833
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I ask this because I was planning on a set of short Brockmans for the 39 pickup but if staight pipes sound good than I'm interested. |
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#10 |
Senior Member
Join Date: May 2010
Location: Southern Illinois
Posts: 3,833
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#11 |
Senior Member
Join Date: Jun 2010
Location: Indiana
Posts: 338
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The 2" pipes won't crackle as much as the 1 3/4" pipes. The smaller pipes will give you that classic flatty sound.
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#12 | |
Senior Member
Join Date: May 2010
Location: Connecticut
Posts: 855
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#13 |
Senior Member
Join Date: Sep 2011
Location: Spanaway, Washington
Posts: 344
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I think cam and headers make a difference in the sound.
I have a '40 coupe with 245" and a mild 3/4 cam and headers, Edmunds heads and intake. The 1 3/4" straight pipes really crackle. Also '40 PU with 250" stock cam and exhaust manifolds, Offy heads and Fenton intake. 1 3/4" pipes and this one is noticably quieter than the coupe. Still has a nice crackle and sounds great. I was worried about them being too noisy, but not so. They're a LOT quieter than most Harleys. |
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#14 |
Senior Member
Join Date: Jun 2010
Location: orange co. ca.
Posts: 178
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i've read that smaller pipes cause the exhaust to flow faster,= high pitched sound & bigger pipes flow slower = deeper sound. i guess this makes sense.
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#15 |
Senior Member
Join Date: May 2010
Posts: 875
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I agree. The 1 3/4" has a sharp snapping sound and the 2" has a base sound. Marv
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#16 |
Senior Member
Join Date: May 2010
Location: Northern California,coast
Posts: 552
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Run the Brockman's Mellow Tone, 2" strait through, and US made sounds great with your size engine.... OLD...BILL
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#17 |
Senior Member
Join Date: May 2010
Location: Suth'N Maine
Posts: 1,998
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I should not have read this thread. On my 39P/U, 59AB after my Red's was going to run Brockman's (Vic P.) approved, but now I need to hear some more flatties with/without mufflers to see what I want
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#18 |
Senior Member
Join Date: May 2010
Location: Southern OR.
Posts: 222
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I am afraid to say what size mine is
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