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Old 06-04-2019, 09:16 AM   #1
BillyShope
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Default Why zoomies?

Just struck me: Why in the world would a dragster owner ever run zoomies? I mean, if there's to be any kind of exhaust system, why not improve performance?
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Old 06-04-2019, 10:38 AM   #2
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Just struck me: Why in the world would a dragster owner ever run zoomies? I mean, if there's to be any kind of exhaust system, why not improve performance?
Don’t know, but if it happens to be a bracket car, what’s it really matter?
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Old 06-04-2019, 01:46 PM   #3
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Don’t know, but if it happens to be a bracket car, what’s it really matter?
Maybe if your a blown bracket car you want to chase as many people as possible, as some people don't do being chased as well. Or, if you want to chase dragsters in a blown door car. Seems those would matter. Zoomies add power to blown cars, all about getting the exhaust out.
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Old 06-04-2019, 10:08 PM   #4
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Default Re: Why zoomies?

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Don’t know, but if it happens to be a bracket car, what’s it really matter?

Exactly my thought when I built my altered. I know I may be giving up a little bit in performance, but to me, an altered needed zoomies. The car wasn't going to look right in my mind, unless it had zoomies. I only bracket race anyways, so as long as the car is consistant, and it is, I'm happy.

They were cheap to build, cheap to powder coat, take up almost zero space when the car is apart...........AND THEY SOUND FUKKIN GREAT!!!!!!!!

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Old 06-04-2019, 11:04 PM   #5
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Default Re: Why zoomies?

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AND THEY SOUND FUKKIN GREAT!!!!!!!!
No they don't.
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Old 06-05-2019, 05:45 AM   #6
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Exactly my thought when I built my altered. I know I may be giving up a little bit in performance, but to me, an altered needed zoomies. The car wasn't going to look right in my mind, unless it had zoomies. I only bracket race anyways, so as long as the car is consistant, and it is, I'm happy.

They were cheap to build, cheap to powder coat, take up almost zero space when the car is apart...........AND THEY SOUND FUKKIN GREAT!!!!!!!!

There ya go. Great looking altered by the way.
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Old 06-04-2019, 12:11 PM   #7
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Default Re: Why zoomies?

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Just struck me: Why in the world would a dragster owner ever run zoomies? I mean, if there's to be any kind of exhaust system, why not improve performance?
I think I see where you are coming from as,


Unless you are talking a blown app I see no reason to.

IMHO on a blown app with 50+ pounds of boost all you need to do is provide a direct exit for the exhaust, each cylinder has an equal and direct path, one hole out does not affect the others pressure-wise, light and easy to service, perty flames at night :-)

99% of fuel and alky teams can't be wrong....Or are collector headers the next trick lick coming in 2020?
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Old 06-04-2019, 12:27 PM   #8
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Default Re: Why zoomies?

ease of fabrication?
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Old 06-04-2019, 12:53 PM   #9
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Default Re: Why zoomies?

Teams spending millions of dollars on parts and R&D for fuel cars are not using zoomies for ease of fabricating. It's more a pressure issue I believe cause what goes in must come out and if you have cylinders firing and all trying to go out one hole then theres gonna be one helluva traffic jam and BOOM. That's on fuel cars at 80psi boost and 90% nitro. A comp car or anything n/a the zoomies arent really necessary
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Old 06-04-2019, 01:12 PM   #10
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Default Re: Why zoomies?

Chassis downforce.
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Old 06-04-2019, 07:46 PM   #11
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Chassis downforce.
This.
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Old 06-04-2019, 10:28 PM   #12
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Chassis downforce.
It's this simple...And the guy that did it first...Had an advantage for a few weeks back in the day...
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Old 06-04-2019, 01:34 PM   #13
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Default Re: Why zoomies?

quick and easy back in the day
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Old 06-04-2019, 02:07 PM   #14
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Default Re: Why zoomies?

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quick and easy back in the day
Little history on zoomies, guys used to run what they called “weed burners”. A semi straight downward facing pipe. Someone turned them upwards and made some pretty good passes because of the down force.

Fast forward to big money win at costs top alcohol effort of Jack O’Bannon/Norm Grimes/Rick Santos deal they tried every exhaust imaginable on that car. Guess what they ended up with? Zoomies. The nitrous guys have been back and forth recently with some still preferring a collector over the zoomies. They claim the zoomies kill a little low end power and add a little to the top.
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Old 06-04-2019, 04:12 PM   #15
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Default Re: Why zoomies?

Sorry. I should have made it clear that I don't want to collect the 8 individual exhaust pipes. Those who've been in dyno rooms know about reverse flow. In other words, ambient air does, for a very short portion of the Otto Cycle time, flow back into the exhaust pipe. By reducing the energy loss involved, engine torque can be increased. I'm becoming increasingly sorry that I started this. This is of interest to very few people. Sorry, I'll go away.
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