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Old 11-08-2012, 07:25 PM   #1
Roto-fab 1


 
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Introducing the "BIG GULP" !

The Roto-fab ZL1 CAI is making great power with or without a tune. Here's something to make it even better!
Introducing the BIG GULP! This duct is a bolt-in replacement for the stock air brake duct on the left side (driver's side) giving you much needed air to your intake while maintaining a brake duct! We've increased the inlet size to utilize more of the grill opening and we're making it adjustable! You have the option of routing all of the air to your air box or routing approximately the same air to your brake duct as stock, then the remainder to the air box. If you are drag racing or just want to go fast, go "all air box". If you are road racing, choose a position routing more air to the brakes.

Here's the stock left front brake cooling duct on the ZL1. For reference, the plastic inner fender bolts to the end of the duct with two screws (Note the W/W reservoir has been removed)




Here is the BIG GULP mounting in the same position.




Here is a view showing the air flow.




A comparison of the BIG GULP and the stock brake duct.



In this view you can see we have a larger entry than stock which allows us to use more of the grill opening.



Here is a top view showing the shape of the inner baffle and it's position in both extremities. The small silver circle is the hinge pin location.




Here is the adjusting lever in the recessed front grill area.




We have designed and molded this piece as a direct replacement for the stock duct. No drilling, cutting, etc., if you can change a tire you should have no problem installing it. The W/W reservoir does need to be relocated-we have a great kit for that as well!
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Last edited by Roto-fab 1; 11-08-2012 at 08:26 PM.
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Old 11-08-2012, 08:09 PM   #2
2012ZL1
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Do you have the rest of the ducting to the air filter area available too?
Also when are these available? I just ordered a cold air kit from you guys (through Jannetty) today.
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2012 ZL1
2.55 upper, 10" lower pullies, Innovators west billet hub and sfi balancer, solid blower drive isolator, 50 mm idler kit, full length S/S headers no cats, comp cams custom grind cam, comp roller rocker trunion kit, comp push rods,dual valve springs retainers and locks, Injector dynamics ID850 inectors, Rotofab ZL1 cold air kit, Lingenfelter 160 thermostat, Rotofab intercooler reservoir, stock plugs, LS7 90mm throttle body, GTO clutch reservoir mod, my own custom catch can, Tuning by Jannetty, install by me.
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Old 11-08-2012, 08:10 PM   #3
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Awesome set up. We'll have to get these added to our site!
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Old 11-08-2012, 09:11 PM   #4
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Awsome!!!!! When will they be avaliable for purchase?
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Old 11-09-2012, 09:13 AM   #5
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Quote:
Originally Posted by 2012ZL1 View Post
Do you have the rest of the ducting to the air filter area available too?
Also when are these available? I just ordered a cold air kit from you guys (through Jannetty) today.
The previous pics were taken with the inner fender taken out. Here is a top view pic taken with the inner fender in place. The camera is held where the filter normally sits. The inner fender itself, airbox and hood work together to isolate this area so no additional duct work is needed.



Jeremiah
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Old 11-09-2012, 09:16 AM   #6
Roto-fab 1


 
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Quote:
Originally Posted by charlietuna View Post
Awsome!!!!! When will they be avaliable for purchase?
We are still a few weeks out, but we will keep you guys updated with the progress!!

Jeremiah
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Old 11-09-2012, 09:39 AM   #7
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awesome!
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Old 11-09-2012, 10:44 AM   #8
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Thanks for letting the cat out of the bag so to speak. I can see you put a lot of time into the design.
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Old 11-09-2012, 01:57 PM   #9
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Nice
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Old 11-12-2012, 05:02 PM   #10
2012ZL1
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Quote:
Originally Posted by Roto-fab 1 View Post
The previous pics were taken with the inner fender taken out. Here is a top view pic taken with the inner fender in place. The camera is held where the filter normally sits. The inner fender itself, airbox and hood work together to isolate this area so no additional duct work is needed.



Jeremiah




Ahhh...I see now.
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2.55 upper, 10" lower pullies, Innovators west billet hub and sfi balancer, solid blower drive isolator, 50 mm idler kit, full length S/S headers no cats, comp cams custom grind cam, comp roller rocker trunion kit, comp push rods,dual valve springs retainers and locks, Injector dynamics ID850 inectors, Rotofab ZL1 cold air kit, Lingenfelter 160 thermostat, Rotofab intercooler reservoir, stock plugs, LS7 90mm throttle body, GTO clutch reservoir mod, my own custom catch can, Tuning by Jannetty, install by me.
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Old 11-24-2012, 08:48 AM   #11
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subscribing...

This too will make it into my zl1

Competitors are being left on the starting line
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Old 11-27-2012, 10:36 AM   #12
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As promised, we did produce an informational video which also shows the highlights of installation. Here you go!
Mike

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Old 11-27-2012, 08:14 PM   #13
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Old 12-21-2012, 02:43 PM   #14
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