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G Down Exhaust
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CHB73SB
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PostPosted: Fri Jul 03, 2009 8:39 pm    Post subject: G Down Exhaust Reply with quote

Just wondering if anyone had tried the G Down exhaust and any pros and cons fo the setup?

The videos i have seen on youtube sound great and was just wondering if there was any ill effects of the new configuration!

The link to the site is http://www.gdownusa.com
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CHB73SB
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PostPosted: Sun Jul 05, 2009 5:48 pm    Post subject: Reply with quote

So i take it noone knows anything about this?

Is anyone out there running this? How is it working out for you?
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special-k
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PostPosted: Sun Jul 05, 2009 6:30 pm    Post subject: Reply with quote

I don't have that system but we were debating building our own before I saw that one. A friend built a similar system but didn't like the sound and put a balance tube in it to try and make it sound smoother. I like the idea because it gets rid of the bundle of snakes exhaust system. I think it'll have about the same power as a cannons which is less than a merged system. One thing I would wonder about is the muffler life being that close to the collector. That being said I think eventually we'll have a similar setup just because it is so clean and tidy.
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MConstable
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PostPosted: Sun Jul 05, 2009 7:28 pm    Post subject: Reply with quote

Here's a thread from Cal-Look on G-Down, don't know if it helps, I do find it pretty humorous for an exhaust system manufacturer to state that scavenging is a myth.

http://www.cal-look.com/forum/index.php/topic,29566.0.html

From an aesthetics standpoint...I love full sidepipe systems on Cobra's and early Vette's.

Side-exit exhausts look great on damn near every Muscle/Ponycar ever made.

...but for some reason, I personally think the G-down system looks like Ass.
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bugnut68
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PostPosted: Sun Jul 05, 2009 8:16 pm    Post subject: Reply with quote

I saw the G-Down guy's car at Sacramento in late May, and honestly thought he had a Subaru engine stuck in the car. I didn't care for the sound, and got a chuckle out of the comments in the Cal Look thread.
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gonebuggy
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PostPosted: Sun Jul 05, 2009 9:08 pm    Post subject: Reply with quote

I heard it at the Classic, sounded like SHIT!

Alex
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Hotrodvw
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PostPosted: Sun Jul 05, 2009 9:45 pm    Post subject: Reply with quote

I also saw it at BOR. It's a great idea, but IMO it need some refining. Maybe some dyno tuning to dial it in, and a new set of mufflers. It sounded like a 4cyl Subaru running on 3cyl. As far as the sound, I'll stick to my set up I have now.
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Jake Raby
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PostPosted: Sun Jul 05, 2009 11:33 pm    Post subject: Reply with quote

There is a reason why no opne has marketed this before...
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thetravman
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PostPosted: Mon Jul 06, 2009 9:20 am    Post subject: Reply with quote

special-k wrote:
I like the idea because it gets rid of the bundle of snakes exhaust system. I think it'll have about the same power as a cannons which is less than a merged system.


The "bundle of snakes" is called a 4-into-1 collector/header and is absolutely no joke and is better than any other stupid monza, dual cannon, euro two tip, etc. Furthermore it makes your engine run COOLER.
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special-k
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PostPosted: Mon Jul 06, 2009 10:12 am    Post subject: Reply with quote

I'm pretty sure I said the G-Down/Cannons would be inferior to a merged system. All I said was it was a nice clean system that would be easy to work on. On another site somebody ran a G-Down system and was pleasantly surprised that his engine compartment was cooler than before. Internally the engine might be cooler with the merged system but anytime you have exhaust tubes criss crossing and running close to the engine radiant heat would be a concern.
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Jake Raby
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PostPosted: Mon Jul 06, 2009 10:17 am    Post subject: Reply with quote

If anyone is contemplating buying one, I'd be happy to throw it on a test car on the chassis or engine dyno for comparisons back to back... Not just for power, but for 16 more channels of data, including engine bay and fan inlet temps, CHT, OT and EGT.
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skills@eurocarsplus
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PostPosted: Mon Jul 06, 2009 2:32 pm    Post subject: Reply with quote

^^^^ someone should do this.
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Hotrodvw
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PostPosted: Mon Jul 06, 2009 2:36 pm    Post subject: Reply with quote

Jake Raby wrote:
If anyone is contemplating buying one, I'd be happy to throw it on a test car on the chassis or engine dyno for comparisons back to back... Not just for power, but for 16 more channels of data, including engine bay and fan inlet temps, CHT, OT and EGT.


You've already offered this at least once, correct??
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Jake Raby
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PostPosted: Mon Jul 06, 2009 2:39 pm    Post subject: Reply with quote

Hotrodvw wrote:
Jake Raby wrote:
If anyone is contemplating buying one, I'd be happy to throw it on a test car on the chassis or engine dyno for comparisons back to back... Not just for power, but for 16 more channels of data, including engine bay and fan inlet temps, CHT, OT and EGT.


You've already offered this at least once, correct??

Yes.
AND if the manudfacturer/ designer/ developer of this system believes in his claims he should be willing to send me a system to be evaluated for FREE...

A few months ago I charged someone almost 4,000 bucks to carry out an evaluation like this.
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Marv [UK]
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PostPosted: Mon Jul 06, 2009 2:48 pm    Post subject: Reply with quote

Jake Raby wrote:
Hotrodvw wrote:
Jake Raby wrote:
If anyone is contemplating buying one, I'd be happy to throw it on a test car on the chassis or engine dyno for comparisons back to back... Not just for power, but for 16 more channels of data, including engine bay and fan inlet temps, CHT, OT and EGT.


You've already offered this at least once, correct??

Yes.
AND if the manudfacturer/ designer/ developer of this system believes in his claims he should be willing to send me a system to be evaluated for FREE...

A few months ago I charged someone almost 4,000 bucks to carry out an evaluation like this.


some people really do look a gift horse in the mouth and think it's got bad breath Rolling Eyes
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The Noof
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PostPosted: Mon Jul 06, 2009 2:52 pm    Post subject: Reply with quote

Jake Raby wrote:
Hotrodvw wrote:
Jake Raby wrote:
If anyone is contemplating buying one, I'd be happy to throw it on a test car on the chassis or engine dyno for comparisons back to back... Not just for power, but for 16 more channels of data, including engine bay and fan inlet temps, CHT, OT and EGT.


You've already offered this at least once, correct??

Yes.
AND if the manudfacturer/ designer/ developer of this system believes in his claims he should be willing to send me a system to be evaluated for FREE...

A few months ago I charged someone almost 4,000 bucks to carry out an evaluation like this.

Jake...they either:
(A) already know
(B) don't want to know
(C) already know and don't want the world to know
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Marv [UK]
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PostPosted: Mon Jul 06, 2009 2:57 pm    Post subject: Reply with quote

The Noof wrote:
Jake Raby wrote:
Hotrodvw wrote:
Jake Raby wrote:
If anyone is contemplating buying one, I'd be happy to throw it on a test car on the chassis or engine dyno for comparisons back to back... Not just for power, but for 16 more channels of data, including engine bay and fan inlet temps, CHT, OT and EGT.


You've already offered this at least once, correct??

Yes.
AND if the manudfacturer/ designer/ developer of this system believes in his claims he should be willing to send me a system to be evaluated for FREE...

A few months ago I charged someone almost 4,000 bucks to carry out an evaluation like this.

Jake...they either:
(A) already know
(B) don't want to know
(C) already know and don't want the world to know


D) too scared to find out if they suck Wink
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The Noof
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PostPosted: Mon Jul 06, 2009 2:59 pm    Post subject: Reply with quote

That was covered in "(B)"
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Jake Raby
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PostPosted: Mon Jul 06, 2009 3:02 pm    Post subject: Reply with quote

I don't generally ask permission.. I didn't when I tested 13 other cooling systems.

Thats why an individual needs to buy one and send it to me.... This way I can charge the provider 1$ to do the test and provide him with data that HE can post and it keeps my ass out of trouble..

I can literally have the data necessary in less than 3 hours... The biggest pain in the ass with comparatives is pulling exhaust systems off wearing weldng gloves, because they are 400F and we want to get the work done before the conditiuons change!

BUT who knows, I can't go into a scientific evaluation with prejudice... We'll let the test speak for it's self!
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Marv [UK]
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PostPosted: Mon Jul 06, 2009 3:13 pm    Post subject: Reply with quote

Jake Raby wrote:
I I can literally have the data necessary in less than 3 hours... The biggest pain in the ass with comparatives is pulling exhaust systems off wearing weldng gloves, because they are 400F and we want to get the work done before the conditiuons change!


I take it you use special 'big ass wingnuts' and employ a specialist wingnutter to make it easier too Smile
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