"Blower Cam" info....
Thread Starter
Le Mans Master
Joined: Sep 2002
Posts: 6,569
Likes: 2,405
From: Redacted
"Blower Cam" info....
So what defines a "blower cam"?? I realize its a cam optimized to work with forced induction, but what about the grind makes it ideal for these applications? The cam ive got in my car right now is 230/232 592/595 111 lsa. Being that it wasnt advertised as said "blower cam", Im assuming that its not ideal for a forced induction application and therefore I might be leaving some power on the table, but is it really something that would need to be changed in order to run a mild forced induction set up at 6.5lbs of boost or so?? Just wondering if by installing the cam a few years back I inadvertantly precluded myself from ever going FI without changing the cam again.
Thanks for the help!
Thanks for the help!
Melting Slicks
Joined: Feb 2001
Posts: 3,376
Likes: 4
From: Hershey, PA, USA
Cruise-In VI Veteran
St. Jude Donor '12
usually a wide LSA makes it a blower cam. There will be less valve over lap, thus less bleeding off of the boost.
if that was on a 115 lsa that would be a great cam for a S/C
if that was on a 115 lsa that would be a great cam for a S/C
Race Director
Joined: Apr 2009
Posts: 10,581
Likes: 252
From: SE TEX
There are plenty of opinions here on that. Every setup is different, I am not sure anyone has had such a large (small LSA numerically) cam that didn't make good power.. Actually one that I can think of was a guy running a KB i believe that had an LSA of 108 if I recall. I believe we all agreed that a tighter LSA would have upped the power tremendously.
Anyone else think of more?
Anyone else think of more?
Last edited by tail_lights; Feb 11, 2010 at 02:34 PM.
Tech Contributor
Joined: Apr 2007
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From: Forney Texas
Racer
Joined: Apr 2006
Posts: 389
Likes: 0
From: Killeen Texas
So what defines a "blower cam"?? I realize its a cam optimized to work with forced induction, but what about the grind makes it ideal for these applications? The cam ive got in my car right now is 230/232 592/595 111 lsa. Being that it wasnt advertised as said "blower cam", Im assuming that its not ideal for a forced induction application and therefore I might be leaving some power on the table, but is it really something that would need to be changed in order to run a mild forced induction set up at 6.5lbs of boost or so?? Just wondering if by installing the cam a few years back I inadvertantly precluded myself from ever going FI without changing the cam again.
Thanks for the help!
Thanks for the help!
There are plenty of opinions here on that. Every setup is different, I am not sure anyone has had such a large (small LSA numerically) cam that didn't make good power.. Actually one that I can think of was a guy running a KB i believe that had an LSA of 108 if I recall. I believe we all agreed that a tighter LSA would have upped the power tremendously.
Anyone else think of more?
Anyone else think of more?
Bingo!!! We have a winner...LOL
Race Director
Joined: Apr 2009
Posts: 10,581
Likes: 252
From: SE TEX
I couldn't remember the power it put down but I knew it was still plenty 
Good luck!!!
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Racer
Joined: Jan 2009
Posts: 393
Likes: 14
I borrow this thread to this question:
So called "blower cams" ad 30-50 hp to basic blown LS1 combo, right?
How much do I get with LS6 cam?
How much with any N/A "big cam"?
Is it worth the money to get a "blower cam" if the engine is otherwise stock (except for blower and some bolt on's)? Do I gain 10 hp over LS6 cam or much more?
So called "blower cams" ad 30-50 hp to basic blown LS1 combo, right?
How much do I get with LS6 cam?
How much with any N/A "big cam"?
Is it worth the money to get a "blower cam" if the engine is otherwise stock (except for blower and some bolt on's)? Do I gain 10 hp over LS6 cam or much more?
