Boom Tube exhaust just about finished, pictures and video - TCCoA Forums
 
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post #1 of 13 (permalink) Old 01-02-2008, 08:12 AM Thread Starter
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Boom Tube exhaust just about finished, pictures and video

Video with sound
http://www.youtube.com/watch?v=onq9OdbaDC8

With the car in hibernation, I built an exhaust for it this past month. Connections to the muffler and boom tube are marman (v-band) clamps, my plans are to have some modularity to the system.

Exhaust details:
JBA Shorty headers, Jet-Hot coated
custom off-road downtubes
s/s flex joints
dual 2-1/2” Dynomax Tru-X muffler
Stock car boom tube

Pre-emptive to people asking why the car sounds like that, here are the engine details:

1995 T-Bird 4.6L short block, 2000 Ford PI cylinder heads Approximately 10.5:1 compression ratio.
Professional CNC Port, hand-finished, contoured combustion chambers, competition valve job, all by Renegade Racing.
SHM 2730 camshafts, .500/.500 lift, 230/230 dur, 114*lsa
PI intake manifold with aluminum crossover
C&L upper intake plenum
BBK 75mm throttle body







I still need to fabricate a rear mount, and trim back the tube a small amount.

Last edited by Kleckner; 01-02-2008 at 02:05 PM.
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post #2 of 13 (permalink) Old 01-02-2008, 12:26 PM
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I likey I'll have to lidten to it tonight when I get home. The company's filters blocks Youtube.
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post #3 of 13 (permalink) Old 01-02-2008, 12:57 PM
 
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Nice! read my comment, It'll explain everything.... lol.. BTW, I'm NeoAngel316... Just for reference. Just out of curiosity, How much did all that cost you?
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post #4 of 13 (permalink) Old 01-02-2008, 01:32 PM
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sweet

sounds rugged as hell. ill bet that things a real neck snapper. you said this bird is hibernating... will it see street use this summer or is it strictly track? do you have any pics of the ported combustion chambers? actually, do you have any pics of any of the head porting? i'd love to see how much porting can be done and where. if you dont feel like uploading stuff, my email is [email protected]. thanks man.

-John
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post #5 of 13 (permalink) Old 01-02-2008, 02:00 PM
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sounds rugged, I like it but I dont know if your ears can take it all the time. Im sure it gets some attention once on the road. I think a set of SC GFX with a cut out for the tube with work awesome with the side exit.

Spinning pies like wheels.

DD driving my 20 year old project

Now with new ball joints...again
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post #6 of 13 (permalink) Old 01-02-2008, 02:09 PM Thread Starter
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Quote:
Originally Posted by 94MN1246 View Post
sounds rugged as hell. ill bet that things a real neck snapper. you said this bird is hibernating... will it see street use this summer or is it strictly track? do you have any pics of the ported combustion chambers? actually, do you have any pics of any of the head porting?
It is mainly a street car now, but definately not a daily driver.

Some pictures were added to my gallery of the cylinder heads. I don't have any real good pictures of the combustion chambers, but the valves were un-shrouded as much as possible, and the dams were cut back and smoothed a little. FYI, removing the dams completely hurts flow. Removing the sharp edges takes away some potential hot spots.
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post #7 of 13 (permalink) Old 01-02-2008, 02:11 PM Thread Starter
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Quote:
Originally Posted by Splattered View Post
sounds rugged, I like it but I dont know if your ears can take it all the time. Im sure it gets some attention once on the road. I think a set of SC GFX with a cut out for the tube with work awesome with the side exit.
It is not a daily driver, so noise isn't a real worry of mine.

BTW, I have a set of SC sideskirts, and have been thinking about trying that...
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post #8 of 13 (permalink) Old 01-02-2008, 02:29 PM
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Where did you get the parts for this, and how much did it cost you? I'm thinking about doing this on my 393 car, since I also have the magnaflow mid-mount.

-91 Cougar LS, coming soon, complete overhaul with a 427" Windsor.
-90 XR7 5-speed black on black w/sunroof, MP2, coated rotors, double intercooler, 15%OD, ported heads, comp stage 1 cam, 85mm TB, 90MM LMAF, 80# injectors, and ported big valve heads
-98 Mark VIII LSC, Procharger P600b, TR3650 swap and 3.73s.
-90 SC Automatic rustbucket winter beater
-97 Tbird Sport 4.6 Nice weather daily driver
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post #9 of 13 (permalink) Old 01-04-2008, 07:20 PM
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sounds mean

-1996 Pearl White Thunderbird 4.6 Sport 4v with many mods:
Current Best: 13.583 @ 103.74 10/2014.
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-2005 White GMC Sierra 3500 6.6 Duramax, Dually, 4-door, 4x4, Limo Tint, BFG Commercial T/A's, Rancho RS9000XL Shocks, Kenwood Double Din, K&N Intake, Banks Monster Exhaust
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post #10 of 13 (permalink) Old 01-07-2008, 12:34 PM Thread Starter
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Quote:
Originally Posted by MadMikeyL View Post
Where did you get the parts for this, and how much did it cost you? I'm thinking about doing this on my 393 car, since I also have the magnaflow mid-mount.
I bought a used boom tube from this place, they part out old race cars:
http://www.musclemotorsports.com/exh...ds--tips-.html
You have to give them a call to make sure of what you are getting, they have lots of odd stuff just lying around.

The clamp joints on the muffler are standard v-band marman type, very sturdy, no leaks. However, not cheap at about $40 per joint.

The flex joints are from Summit, ~$40 each. I also bought the 2.5" Hoooker "header extensions" to connect to the headers, generic bends, and tru-x resonator from Summit / Jegs.

I probably have about $450 to $500 in that system, from the headers back. It could be done a bit simpler for cheaper, though.
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post #11 of 13 (permalink) Old 01-07-2008, 06:45 PM
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OH WOW! i like that very much.

If your exhaust tip is larger than your cylinder bore, then you are a Ricer.
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post #12 of 13 (permalink) Old 01-07-2008, 06:53 PM
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i would be nice to run one on both sides but dang tank is in the way. like it alot though i think the boom tubes make the magnoflow sound alot better. i like the sound of magnaflow but makes it more unique.

Current Mods:
balanced & blueprinted block. by my dad & I @ (The Engine Shop INC.) i'm running manley forged i beam rods, forged manely .020 16cc dish pistons, forged 8 bolt crankshaft thats been polished, corba high volume oil pump, block has been align bored & decked. ported and polished early production heads, heads have been milled, 3 angle valve grind, ported exhaust manifolds, gasket matched intake, dual inlet dual outlet dynomax turbo muffler underseat with 3inch turndowns. transmission heavy duty clutches, b&m shift kit, frrp t lock with 373.
Future Mods:
pi swap with some comp cams and the new trickflow intake, high stall torque converter and mark 8 drive shaft, kooks 3/4 lenth headers and xcal2
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post #13 of 13 (permalink) Old 07-20-2008, 12:28 PM
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dam took my idea.. from 4 yrs ago. i bought a new boom tube from spintech for 250 still have it. a bit of rust on it. i was going to center it out the back bumper on my mark. but never happened. looking good might sell the boom tube
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Last edited by MRCYCOUG; 01-28-2011 at 05:59 PM.
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