potential flow #'s on stock castings?
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Registered User
Joined: Jun 2001
Posts: 234
From: Greater West Palm Beach, FL
potential flow #'s on stock castings?
what's the best flow numbers one can expect for a set of ported LT1 castings? I mean can they be made to flow 300 cfm or is that a little too much.....
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Joined: Dec 2001
Posts: 1,519
From: High Orbit
Re: potential flow #'s on stock castings?
Some info for you:
http://web.camaross.com/forums/showthread.php?t=411824
http://web.camaross.com/forums/showthread.php?t=411824
Registered User
Joined: Feb 2004
Posts: 1,154
From: VA
Re: potential flow #'s on stock castings?
Originally Posted by F(ast)-body
what's the best flow numbers one can expect for a set of ported LT1 castings? I mean can they be made to flow 300 cfm or is that a little too much.....
Not sure if I've ever seen 300 posted for LT1 heads. I imagine you can with enough $$$.
Have seen several LT4 over 300.
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Joined: Apr 2004
Posts: 144
From: mobile al
Re: potential flow #'s on stock castings?
yeah but those heads have a ton of work done to them like offset rockers from where the intake ports were widend.. it can be done but you might be better of with afr's if you are looking for that kind of flow
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Joined: Jul 2002
Posts: 1,433
From: Akron, Ohio
Re: potential flow #'s on stock castings?
Why the interest in peak numbers?
I'd be a lot more concerned with the mid lift numbers than peak, unless your car is at the upper end 95% of the time it's running.
I'd be a lot more concerned with the mid lift numbers than peak, unless your car is at the upper end 95% of the time it's running.
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Joined: Jun 2005
Posts: 261
Re: potential flow #'s on stock castings?
Lloyd Elliot posted an interested thread about flow numbers and the importance of head design. Flow numbers aren't the only name of the game 
http://web.camaross.com/forums/showthread.php?t=411824
http://web.camaross.com/forums/showthread.php?t=411824
Registered User
Joined: Dec 1969
Posts: 165
From: Tallahassee, FL USA
Re: potential flow #'s on stock castings?
I've read in several places that the early ('92 and/or '93) LT1 aluminum heads had more material and could be ported out more.
Anyone ever confirm that?
Tom Piper
Anyone ever confirm that?
Tom Piper
Registered User
Joined: Jun 2000
Posts: 1,542
From: Long Island, NY ; Norfolk, VA
Re: potential flow #'s on stock castings?
I do know that 300cfm can be had as said above but lot's of $$$. I think AI has a set of LT4's that peaked at 300+ or so.. But on avg 275's or so out of the intake of a lt1 casting is the norm...
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