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Half an exhaust

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Old 05-26-2010, 11:34 PM
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Car: 82 Berlinetta/57 Bel Air
Engine: LS1/LQ4
Transmission: 4L60E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Half an exhaust

Finally got some pics taken this evening, thought I'd show you what I have so far. If you've followed the saga, the shop's bender went down for a week, so after getting it back up and running they took the pipes to the axle and I drove it home for the weekend - only to discover my rear end gears were toast.

Basic view showing the header collectors, pipes bent to get past the tranny to dual Magnaflow spun cats, H-pipe, then I-pipes to temporary turn-downs. All pipes are 2-1/2" mandrel bent, except the H-cross-pipe which is slightly smaller. The hangers were fastened to longer rear seat belt mount bolts.

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Looking over the top of the left pipe at the modified driveshaft loop.

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Clearance between the left pipe and the fuel/brake lines.

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The right side is tucked a little tighter.

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This really wasn't as loud as you might think - yes, it was loud, but when I got on it, sounded pretty much like the 5.0's that always seem to be running around. Cruising, the rear end was louder than the exhaust.

The rest will be finished after the 9" that is now being fabricated is installed. Pipes over the axle to an Aero Turbine muffler on each side.
Old 05-27-2010, 12:51 AM
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Re: Half an exhaust

where's your torque arm?
Old 05-27-2010, 07:08 AM
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Re: Half an exhaust

Old 05-27-2010, 07:57 AM
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Car: 82 Berlinetta/57 Bel Air
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Axle/Gears: 12B-3.73/9"-3.89
Originally Posted by ericjon262
where's your torque arm?
Ah, you haven't been following.

Torque arm? We don't need no stinkin' torque arm. . .

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Old 05-27-2010, 08:12 AM
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Re: Half an exhaust

wow that's cool. how does it feel better than stock or is it the same?
Old 05-27-2010, 08:39 AM
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Re: Half an exhaust

Originally Posted by five7kid
Ah, you haven't been following.

Torque arm? We don't need no stinkin' torque arm. . .

that my friend is AWESOME! Have you driven the car with that mod?
Old 05-27-2010, 08:44 AM
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Car: 82 Berlinetta/57 Bel Air
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Transmission: 4L60E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Rides & handles fine. I haven't really pushed it in corners because I've only had skinny tires on.

I am going to add LCA relocation brackets with the 9". Should help it plant better.
Old 05-27-2010, 09:19 AM
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Re: Half an exhaust

I've never heard of those mufflers you mentioned. What do they flow on a SuperFlow 1020? Hopefully over 590 cfm each, otherwise choose something else.
Old 05-27-2010, 10:01 AM
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Re: Half an exhaust

Originally Posted by five7kid
Ah, you haven't been following.

Torque arm? We don't need no stinkin' torque arm. . .
how can I follow every thread about your car, as many as you have going!
Old 05-27-2010, 12:07 PM
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Originally Posted by Atilla the Fun
I've never heard of those mufflers you mentioned. What do they flow on a SuperFlow 1020? Hopefully over 590 cfm each, otherwise choose something else.
Haven't seen flow numbers. It's an unbaffled design, though.
http://www.youtube.com/watch?v=iDTTOa77efs
http://www.aeroexhaust.com/index.php...e-muffler.html (their site is slow)

Originally Posted by ericjon262
how can I follow every thread about your car, as many as you have going!
Guilty as charged. . .

Last edited by five7kid; 05-27-2010 at 01:50 PM.
Old 05-27-2010, 12:18 PM
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Re: Half an exhaust



Im really on the fence about those "ladder bars". I wanted to get a set of G-Force bars, but couldnt get enough feedback about them. Most threads about them turned into a back and forth between the "smart" guys that say they work great for the street and the other "smart" guys that say they are horrible.

Ide like to just build my own. Or modify my Spohn bars if nothing else.

J.
Old 05-27-2010, 12:52 PM
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Re: Half an exhaust

Nice setup, how do you keep the underside of your car so clean? My car had to have seen salted roads at some point lol
Old 05-27-2010, 12:59 PM
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Re: Half an exhaust

looks good
rear setup looks sickk!!
Mikey
Old 05-27-2010, 01:46 PM
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Originally Posted by ghettocruiser
Im really on the fence about those "ladder bars". ... Most threads about them turned into a back and forth between the "smart" guys that say they work great for the street and the other "smart" guys that say they are horrible.
Ain't that the truth! I was seriously considering going back to the TA with the 9" after all the grief I've taken over it, finally decided I'm going to stick to my guns until forced otherwise.

Originally Posted by $750 L98
Nice setup, how do you keep the underside of your car so clean? My car had to have seen salted roads at some point lol
This was a California car. To the best of my knowledge, it's never seen salt (certainly hasn't since I've had it). I'll probably keep it that way.

Berlinetta #1 is a completely different story. Although, it isn't too bad, either. Usually need to clean up and repaint a spot or two every year. Mostly, though, it gets its "undercoating" from the Gen I SBC. . .
Old 05-27-2010, 01:58 PM
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Re: Half an exhaust

I love the dual exhaust. How does it clear on the driver's side? I couldnt tell from the photos.
Old 05-27-2010, 01:58 PM
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Re: Half an exhaust

Originally Posted by five7kid
Haven't seen flow numbers. It's an unbaffled design, though.
http://www.youtube.com/watch?v=iDTTOa77efs
http://www.aeroexhaust.com/index.php...e-muffler.html (their site is slow)


Guilty as charged. . .
Interesting, but I'd still get flow, or at least a dyno comparison to 2.5" unmuffled, before committing.
Old 05-27-2010, 02:20 PM
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Car: 82 Berlinetta/57 Bel Air
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Axle/Gears: 12B-3.73/9"-3.89
I had a single 3" version on my '84 full size conversion van w/350. It made a big difference over the original 3" inlet/dual 2-1/4" outlet muffler that was on there.

Also not sure how a steady flow from a flow bench would compare to the pulsed flow of real-world exhaust.

(And, I already have the mufflers. . .)
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