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Old 12-11-2010, 09:06 AM
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Catch Can

Seeing how important a Catch Can is to Hemi engines I was curious if anyone with a new WK2 had installed a catch can and if so if any unforeseen installation problems arose.
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Old 12-11-2010, 09:07 AM
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Re: Catch Can

x2 on this, also curious...
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Old 12-11-2010, 11:19 AM
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Re: Catch Can

It is a pretty straight forward install, check the WK or Tech forum for a couple of really solid How To threads/posts for the CC.

How to install a Billet Technology catch can on a 5.7L HEMI & retain the engine cover

I was waiting for CAI availability and install, then will add a CC. YMMV.
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Old 12-11-2010, 05:20 PM
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Quote:
Originally Posted by jeepster23 View Post
Seeing how important a Catch Can is to Hemi engines I was curious if anyone with a new WK2 had installed a catch can and if so if any unforeseen installation problems arose.
I find this statement a little strange. If it was so "important" why would manufacturers not include the $2 catch can part to save warranty work, bad pr when problems arise, and damage to Hemi rep? Not saying it's a bad idea just do not believe it is ANYWHERE as critical as you are led to believe. Hemi has been around for a relatively long time without it.
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Old 12-11-2010, 06:00 PM
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Re: Catch Can

I bought one in September but its still sitting new in the box from Billet Tech. I was thinking of selling it to someone on here just because I don't know if I want to install it anymore as mounting isn't a straight forward ordeal, I haven't decided still. It is a nice piece of aluminum, I got the braided stainless lines and a black can.
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Old 12-11-2010, 08:11 PM
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Re: Catch Can

Quote:
Originally Posted by whatevrworks View Post
I find this statement a little strange. If it was so "important" why would manufacturers not include the $2 catch can part to save warranty work, bad pr when problems arise, and damage to Hemi rep? Not saying it's a bad idea just do not believe it is ANYWHERE as critical as you are led to believe. Hemi has been around for a relatively long time without it.
I was thinking the same thing...if its so important to have, why is not not installed as part of Original equipment?
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Old 12-11-2010, 10:43 PM
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Quote:
Originally Posted by Navy1 View Post
I was thinking the same thing...if its so important to have, why is not not installed as part of Original equipment?
Exactly if it was critical or even important to engine operation or longevity it would be included. Manufacturers skimp on extras that are not needed like wooden shift knobs and that sort of thing. NOT on critical mechanical components that will cost them down the line.
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Old 12-11-2010, 11:06 PM
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Re: Catch Can

Generally, the CC keeps excess oil, moisture, and some gunk out of the throttle body and engine. It would be easy enough to route a vent hose to the bottom of the engine bay and dump this onto the streets but that is an enviro non starter.

Some theorize the auto manufacturers don't want to add (1) another item customers need to check and service by emptying excess oil soups outta their CC's every oil change, and (2) having that excess CC soup go unemptied and then blow by into the throttle body in big gulps.

Do you need them? Prolly not. But they are a nice mod to keep the Hemi engine and throttle running clean if you care to do so.

YMMV
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Old 12-12-2010, 06:33 AM
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Re: Catch Can

Quote:
Originally Posted by moosehead View Post
Generally, the CC keeps excess oil, moisture, and some gunk out of the throttle body and engine. It would be easy enough to route a vent hose to the bottom of the engine bay and dump this onto the streets but that is an enviro non starter.

Some theorize the auto manufacturers don't want to add (1) another item customers need to check and service by emptying excess oil soups outta their CC's every oil change, and (2) having that excess CC soup go unemptied and then blow by into the throttle body in big gulps.

Do you need them? Prolly not. But they are a nice mod to keep the Hemi engine and throttle running clean if you care to do so.

YMMV
I can understand that but doesn't the way fuels are blended today with detergents accomplish the same thing to minimize the gunk build up to keep them clean and running efficiently? Maybe that's why they aren't really needed on today's more advanced engines because the fuel blends accomplish some of that removal...understanding that it doesn't keep it completely clean.
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Old 12-12-2010, 07:12 AM
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Re: Catch Can

All of those that doubt the advantage to using a Catch can ask someone who has one on a hemi to show you how much gunk it collects in just 3000 miles. I dont know about you but when I spend $45000 on a Jeep I tend to want to maintain it the best I can. As for making it standard by Jeep I think that Moosehead hit the nail right on the head with this. "Some theorize the auto manufacturers don't want to add (1) another item customers need to check and service by emptying excess oil soups outta their CC's every oil change, and (2) having that excess CC soup go unemptied and then blow by into the throttle body in big gulps."
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Old 12-12-2010, 09:51 AM
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Re: Catch Can

Quote:
Originally Posted by jeepster23 View Post
All of those that doubt the advantage to using a Catch can ask someone who has one on a hemi to show you how much gunk it collects in just 3000 miles.
Could this be the cause of the shudder in hemi models?
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Old 12-12-2010, 10:20 AM
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Re: Catch Can

I did not realize the Hemi had the same issue as the Chevrlot LS engines.
I have a catch can on my Corvette and it is amazing what you can prevent from entering the engine.
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