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Old 01-18-2011, 04:21 PM   #1
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ECS Big Blower Cam installed - full how-to write-up coming

I started my cam swap project in the garage a couple of weeks ago, took my time doing a little bit at a time and finally finished it up yesterday. I took pictures and documented the entire process and have about 80 or so pictures to post in a how-to thread I'll be doing hopefully by the end of this week.

The cam is East Coast Supercharging's Big Blower Cam (www.eastcoastsupercharging.com), its specs are listed as duration in the 220's and lift in the 580's, the cam gets a ton of great feedback in the vette forums as a lot of guys are using it in the LS3's over there. The exact specs they keep close to their chest as they have done a lot of internal development on the cam

I went with the blower cam because I will eventually be putting ECS's Paxton Centri Blower kit on the car and it supposedly has a little better drivability with not as much overlap as the cams they use in the N/A setups. From the dyno sheets I have seen from ECS the big blower cam in a car with a CAI and Long Tubes usually lands in the 460RWHP range on LS3's and I am running a RotoFab CAI and Kooks 1 7/8" Long Tubes so I would expect to be right around there as well and am getting 404RWHP and 428RWTQ with my current setup. I am just waiting on my VMax ported throttle body and NOWEEDS Exhaust Diverters to show up and then I will head down to ECS to get the car tuned.

In the meantime, here is a video of the first turn of the key after everything was buttoned back up and then a warm start and idle to show it has a little lope to it.



Edit: Here is the DIY LS3 Cam Swap Post

Another Edit: Full Cam Results Posted
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Last edited by robertway; 02-11-2011 at 11:25 PM. Reason: Added link for DIY cam swap thread
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Old 01-18-2011, 05:48 PM   #2
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Finally an LS3 write up!

Sounds good man!
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Old 01-18-2011, 07:49 PM   #3
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Very nice. They ussually sell the 224/230 on 115 Cams for the blower cars.With there blower you can make 650rwhp easilly enough.
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Old 01-18-2011, 10:00 PM   #4
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Sounds good, can't wait for the write-up.
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Old 01-18-2011, 10:17 PM   #5
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ditto
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Old 01-19-2011, 03:53 PM   #6
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Good luck on your swap!!
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Old 01-19-2011, 05:21 PM   #7
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Quote:
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Good luck on your swap!!
Thanks guys, the swap is all done, just waiting on a couple other things to show up and then I can give you guys a call to schedule having it tuned by Doug....
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Old 01-19-2011, 07:31 PM   #8
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Also waiting for the write-up!

The car sounds fantastic...I guess I need to add another cam to the potential list.
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Old 01-19-2011, 10:12 PM   #9
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Quote:
Originally Posted by Kilo-9 View Post
Also waiting for the write-up!

The car sounds fantastic...I guess I need to add another cam to the potential list.
Thanks... I am about 3/4 of the way done with the write-up, should have it posted tomorrow in the DIY section but I will post a link to it in here as well.
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Old 01-20-2011, 10:15 AM   #10
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Sounds GREAT !!!
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Old 01-20-2011, 12:46 PM   #11
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Also waiting for the write-up!

The car sounds fantastic...I guess I need to add another cam to the potential list.
Aren't you spending enough money my friend?






BTW robertway,car sounds great
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Old 01-20-2011, 03:47 PM   #12
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LS3 Camshaft install is now posted in the DIY Section;

http://www.camaro5.com/forums/showthread.php?t=125123
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Old 01-20-2011, 08:35 PM   #13
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Aren't you spending enough money my friend?
I don't know what you're talking about...as far as my wife knows, I've spent very little.

:emoticon7:
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Old 01-21-2011, 12:43 AM   #14
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next time (when you finish your mods) open those noweeds during the video... i bet that is going to be nasty.
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Old 01-21-2011, 01:28 AM   #15
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would this cam be good for nitrous also? sorry if its a newbie question, im just not familiar with cam specs yet or cams period at that lol.
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Old 01-21-2011, 06:51 AM   #16
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would this cam be good for nitrous also? sorry if its a newbie question, im just not familiar with cam specs yet or cams period at that lol.
I am no expert either but my understanding is that a cam one would use in a naturally aspirated setup would be more appropriate for N2O. Blower cams have less intake/exhaust overlap so the pressurized intake charge doesn't get blown out the exhaust valve as much while the intake and exhaust are both open (their degrees of overlap determine this) so the blower can pack more air into the cylkinder before the intake valve closes. N2O doesn't create pressure/boost but instead creates a colder and much denser intake charge which significantly ups its explosive potential but the engine is still at the mercy of atmospheric pressure to fill the cylinder with that charge. An N/A cam with more overlap actually helps the intake charge more and more at increasing rpms because for the period of time the intake and exhaust valves are open at the very beginning of the intake stroke, the scavenging (sucking) of the exhaust system pulling air out the exhaust valve actually helps to draw more of a charge in through the intake valve. The double-edge sword with more overlap is the loss of driveability at the lower range of RPMS requiring a higher idle sometimes as well as dealing with a little surging at times rolling around in parking lots or cruising in 6th gear on the highway at60-65mph where rpms are in roughly the 1200-1500 range but on the flip side of things, when you get on it the friggin thing pulls all the way to redline for the most part.

There is a happy medium though and the exact specs of a cam I cannot say. This is really the first time I have put a cam in a car and everything above is what I have derived from reading and talking to folks so it is not based on actual experience so I hope someone truly in the know will chime in and confirm or deny what I have said here. I relied soley on the shop I am dealing with to recommend the best cam for what I am going to be doing with the car which is eventually add a Centrifugal blower to it. It is a custom grind that they have been using on their blower cars for quite a while and it gets LOTS of rave reviews from the Vette community and the dyno charts I have seen of it used on both Camaros and Vettes speak for themselves even in a N/A setup.

In any event, I see you are in Texas and there are a lot of reputable shops from Texas that are very active here on the forums and could very easily get you setup with an appropriate cam package that suits your need for the car just by you telling them what kind of power you're trying to make and how much or how little drivability you're willing to give up. You are about two hours South of Jason at Texas Speed up in Wolfforth, TX and about 6 hours from Andy at ADM Performance out in Lewisville, TX. Both of these shops are well respected in the forum as well as many others in Texas but those are the two that come to mind.

Hope this helps take some of the guesswork out of things or at least where to go for some professional help.

Good luck...
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Old 01-23-2011, 08:50 PM   #17
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Thanks for the info rob! This is just the info I needed as I'm going with spray for my form of "forced induction" and I need to figure out what I was gonna do about a cam!
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Old 02-04-2011, 11:57 PM   #18
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Now that you've had this cam for a while and are tuned, how do you like it? How's the driveability? Any new videos?
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Old 02-05-2011, 05:35 AM   #19
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Quote:
Originally Posted by Kilo-9 View Post
Now that you've had this cam for a while and are tuned, how do you like it? How's the driveability? Any new videos?
Actually, I just had the car tuned this past Wednesday (2/2/11). Despite the cam having been done for almost a week and a half before that, I was waiting on a VMax CNC Ported Throttle Body from member SC2150and some exhaust diverters from Steve at NOWEEDS. All that is in and the car tuned by Doug at ECS and so far I could not be happier with the outcome. Divability is great, car settles right down into idle with no issues, cruises on the highway in 6th at 1300-1500 with no issues, and crawls around my neighborhood in 3rd at 1000-1200 rpm with only the slightest bit of burping if I get off the gas a little too much to keep it from decelerating. Overall I could not have asked for better and that is not to mention the numbers but more importantly the torque and HP curves.

I still have to get back down there hopefully very early this coming week becauise we forgot to do one final pull with the NOWEEDS open to see what if any gain there was as I'd like to have a sheet that has my previous CAI/Headers graph overlayed with the cam and NOWEEDS closed and then the cam and NOWEEDS open on top of that. I also need to shoot some better video of the car on the dyno as I didn't get a pull with the diverters open and small children for miles running for their lives. Also need some video of the cam idling with diverters closed/open so hopefully I'll have all that doner early next week to be able to do one complete update post.

One thing I'll add is that while I was at the shop I was able to get a look at the details of one of the latest LS3 Camaro centri builds they did with their Paxton Kit, the same blower cam I just installed, and Meth Injection and all I have to say is OMG with a look of on my face. The details of the build I will refrain from since it is not my car but I strongly suggest anyone on the verge of doing a cam/centri/meth build to reach out to them for some details before you settle on something else. ECS is pretty known for pushing the limits in the Vette community and raising the bar as to what is reliably possible with the Vettes and I think that is about to happen here in the Gen5 community as well based on what I got to see and talk to them about.

I know I must sound all "fanboy" for ECS but when I get treated the way I was treated and get the results I feel my hard earned money deserves I want to make sure that experience is communicated to others. It is all too often only the bad is mentioned but it also good to hear the good.
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Old 02-05-2011, 06:51 AM   #20
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cool man your car will bounce :p
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Old 02-05-2011, 01:46 PM   #21
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Thanks for the detailed review! Based on your past posts, it had all the detail that I hoped it would when I asked!

Did ECS design this cam around a centrifugal blower? Will it perform equally well with a Magnuson? Thanks and keep up the good work!

For me, the list of blower cams keeps growing instead of narrowing in on a choice!

TPE G5 Blower Cam
ADM Stage 2.5
Jannetty "Rough Idle" Blower cam
ECS Big Blower Cam
ETMS Blower Cam
Livernois 2C
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Old 02-05-2011, 01:55 PM   #22
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They also have a "small" blower cam. In speaking with them I believe they use the small blower cam on the P/D's but will use either the small or large on the centri setups but the only real way to get that answer is to give them a call, I don't want to misrepresent what they usually do.
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Old 02-05-2011, 02:15 PM   #23
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They also have a "small" blower cam. In speaking with them I believe they use the small blower cam on the P/D's but will use either the small or large on the centri setups but the only real way to get that answer is to give them a call, I don't want to misrepresent what they usually do.
Sounds good...when I get closer to buying a cam kit, I'll get in touch with them. Thanks!
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Old 02-11-2011, 05:07 PM   #24
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What was your final numbers?
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Old 02-11-2011, 11:25 PM   #25
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What was your final numbers?
Full results posted; http://www.camaro5.com/forums/showthread.php?t=128899
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