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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 01-06-2012, 12:16 PM   #1
gobrad
 
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Cam questions..

Ok so I've heard and read some things about Cams and blower cams... From the sounds of it there must be a difference in the Cams if you plan on supercharging a motor. I suppose my question is, whats the difference? And if you're doing your car build in stages, can you install a blower cam with out a blower and have it run well? Or is it one of the things you need to install all at once? Thanks for the input everyone. My intent is to do LT headers, Intake, and Noweeds when I get home from this deployment. I would love to add a Cam with it, however I want to add a supercharger eventually. Thanks for the information everyone! I appreciate it!
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Old 01-06-2012, 12:36 PM   #2
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Yes, you can run a blower cam without the blower. Yes, you will see gains. A blower cam typically has a higher lsa than a big NA cam. A blower cam will typically also have a higher exhaust lift and duration than an NA cam.

However, your most economical bet is to save up and do it all at once. For example, if you get a blower cam and never get around to the s/c, you'll be missing out on gains. If you do eventually get the s/c you will have to tune twice and pay engine tear down labor twice.
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Old 01-06-2012, 02:02 PM   #3
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geaux_tigerss pretty much summed it up.

Blower cams are different in a number of ways and are generally not as radial as a max effort NA cam. Depending on how the car is setup you can play around with how the cam will effect the blower. Some of the bigger NA cams have a lot of overlap with them which 'bleeds' off cylinder pressure and you generally see lower boost pressure levels, so in many cases you can spin the blower faster with a cam like that.

As far as running a normal blower cam NA without the blower, yes you can do so, and generally they will pick up a solid 35-40 rwhp and still have a very drivable package.
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Old 01-06-2012, 03:26 PM   #4
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Thanks for the explanation guys! I really appreciate it as I said! What would be some companies to look at for regular cams and blower cams? I'm looking to get that real rough idle sound. I know one of the guys on the forums, at least I believe he is here, has a youtube video of a white camaro in his garage with a cam and noweeds, and I'm looking for a similar sound to what he has. What would I need to look for in a cam to find that deep loping? I'm fairly new to automotive mechanics if you can't tell :-/ Thanks again for everything!

Brad
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Old 01-06-2012, 05:13 PM   #5
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Brad,

Here is our G6XB blower cam on the dyno before the install of his blower.

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Old 01-06-2012, 09:55 PM   #6
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And for those of you who want n/a sounding, but FI friendly, there are options for larger blower cams. Here are two clips of mine.



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Old 01-06-2012, 09:58 PM   #7
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Oh yeah, pretty much anything can spank me on the street, cause I roast the tires in 3rd, even if I shove it 3rd in while rolling slow in 2nd....
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Old 01-07-2012, 12:29 AM   #8
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I'm completely happy with my Jannetty Racing 470 rough idle blower cam kit. Kit is complete, service is par none, and it runs like a banshee. Plenty loud with LT headers/hi flo cats and stock exhaust but zero drone or irritation cruising down the highway. No blower, but still have the option for more. And I love the rough idle/old school sound. It will almost rock you to sleep at a long light, but it keeps the adrenaline pumping too much.
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Old 01-07-2012, 12:34 AM   #9
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Quote:
Originally Posted by cammed06 View Post
And for those of you who want n/a sounding, but FI friendly, there are options for larger blower cams. Here are two clips of mine.



Sounds AWESOME and must be a blast to drive with the Whipple. I'm working at it slowly but surely. I like track days so suspension goodies are next on the list.
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Old 01-07-2012, 07:10 AM   #10
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N/A Cam with quiet exhaust.

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Old 01-08-2012, 04:43 AM   #11
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If you want to do a blower down the line then definitely go with a blower cam because if you go with an all out n/a cam you will actually be loosing power like Anthony said so choose wisely.
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Old 01-08-2012, 12:06 PM   #12
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Man that sounds good, cant wait to get mine out of the shop.
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