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#41
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A long time ago I bought a CD of exhaust systems that I think was made by Jim Hand. He had a 455 set up on a Dyno, then hooked up a bunch of different exhaust systems on it and recorded the sound. He explained what had been done to the engine (cam, engine work, etc...). He would then start up the engine and let it idle for a bit, then bring it up to about 2000 RPM's and hold it there for a few seconds, then rap the throttle a few times and let it return to idle. He would then tell you what company produced the muffler and what part number it was before moving on to the next system.
I picked the exhaust for my 67 GTO by listening to that CD. I still have it somewhere around here. |
#42
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Before the internet I assume?
Nowadays most exhaust companies have a pretty extensive archive of sound clips to listen to with various types of cars and engine combinations. |
#43
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Here is mine with the NOM engine: YT 400 (.040 over) matching #'s Speed Pro Forged-9 cc dish/9.4 comp; #62 heads/75cc; XE268; 69 Intake/Cliff Carb; LB Manifolds/2.5" exhaust/X-Pipe/Dynomax ST's
http://www.youtube.com/watch?v=-7iL2hJpp_k http://youtu.be/EobSWI7Ngi4
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Will Rivera '69 Firebird 400/461, 290+ E D-Ports, HR 230/236, 4l80E, 8.5 Rear, 3.55 gears ‘66 Lemans, 455, KRE D-Ports, TH350, 12 bolt 3.90 gears '64 LeMans 400/461, #16 Heads, HR 230/236, TKO600, 9inch Rear, 3.89 gears (Traded) '69 LeMans Vert, 350, #47 heads: Non-running project |
#44
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I like it. I can't get enough of white interior. Very nice.
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#45
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Here is a picture of the CD. It looks like it was made in 2001 by Murray Ford, Jim Hand and Tom Hand.
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#46
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I haven't seen that before. Pretty cool.
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#47
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#48
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I'll play:
https://youtu.be/9SS9MaYCynU https://www.youtube.com/watch?v=KPyzlGgG_NU and my personal favorite: https://www.youtube.com/watch?v=xOlQEknqa74
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Adam __________________ 1964 LeGTO 469, M21, 3.42 __________________ Sold: 1968 Pontiac LeMans Convertible See it go HERE |
#49
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70 clone chambered exhaust https://www.youtube.com/watch?v=pcNlKr3zQgk
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#50
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Link in my sig, OS RA manifolds, 2.5 X Pipe, to Race Pros to takes.
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The More People I Meet, The More I Love My Dogs! |
#51
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My junk-70 GTO, 413, 273-280 ultradyne solid roller, 340 Butler Edelbrocks, 2" Hookers, 3"X with Dynomax Ultraflows, 2.5 tails. 4spd Autogear with 4:10 12 bolt.
Yee Haww! John https://youtu.be/o6jtzKQkwPE Last edited by BB70; 02-14-2018 at 06:18 PM. |
#52
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406, RA manifolds, VooDoo 703 cam, 2.5" Pypes head pipes welded to the existing 2.5 dual exhaust system (that came on the car (no X or Y pipe yet) Flowmaster 3 chambers.
https://www.youtube.com/watch?v=FNCYY3W53R4
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'67 GTO 400 HO - Ram Air - 4 speed - 3.55 Safe T Track, A/C, PS, red fender liners '78 Lemans - Drag car project |
#53
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421, 614 heads, Ram Air IV intake, quadrajet, TC-02 cam, Doug's headers, 2.5 exhaust into a Flowmaster crossflow
https://www.youtube.com/watch?v=SKjWk8qTc1w |
#54
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https://m.youtube.com/watch?feature=share&v=5v9L7KplA80
Started today for the 1st time in 2 years. What a good feeling |
#55
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#56
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I have tried many different mufflers over the last 30 years and I always end up going back to the Turbo muffler. My favorite muffler is the Dynomax Super Turbo #17749. It has a pleasant, mellow tone that gets better with use..
Remember Tiger glass packs? They usually sounded great for the first thousand miles then the stuffing would blow out and they sounded like hell.... Douglass also made nice sounding glass packs.. The perforated core mufflers with the big can seemed to sound best to me.. Last edited by 389; 04-25-2022 at 05:43 PM. |
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