LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

lt4 hotcam .. or comp cam xfi 280 kit.. or.. any preference

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Old Feb 16, 2013 | 08:28 PM
  #16  
redline9570's Avatar
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Re: lt4 hotcam .. or comp cam xfi 280 kit.. or.. any preference

Originally Posted by Injuneer
Stock LT1 heads flow 210 CFM on the intake. Very well ported LT1 heads can approach 300 CFM. You are quoting the exhaust flow.



There is no standard definition of a "stage 3" port.... it's just advertising.
yes 200 on the exhaust 300 on the intake. stages on the heads reflect the amount of work..to each his own.
Old Feb 16, 2013 | 09:18 PM
  #17  
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Re: lt4 hotcam .. or comp cam xfi 280 kit.. or.. any preference

The term "stage" is reserved for import performance logic. In big boy V8 land it doesn't indicate a standard.
Old Feb 17, 2013 | 08:06 AM
  #18  
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Re: lt4 hotcam .. or comp cam xfi 280 kit.. or.. any preference

Originally Posted by RamAir95TA
The term "stage" is reserved for import performance logic. In big boy V8 land it doesn't indicate a standard.
Not sure where you getting that I gave a "standard" definition for porting. Actually I don't see anywhere in my posts where I used the term "standard". In big boy land we know how to read.
If you really want to argue though, the term "stage #" is used by many to define the level of work done to the heads, so in a way we can say it's a "standard" although as mentioned above I never used it. A stage 2 head will out perform a stage 1 head and a stage 3 head will out perform both. Although there is no clear industrial defenition set per stage, we all know the higher the number the better the flow.

Last edited by redline9570; Feb 17, 2013 at 08:19 AM.
Old Feb 17, 2013 | 10:56 AM
  #19  
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Re: lt4 hotcam .. or comp cam xfi 280 kit.. or.. any preference

Originally Posted by redline9570
Not sure where you getting that I gave a "standard" definition for porting. Actually I don't see anywhere in my posts where I used the term "standard". In big boy land we know how to read.
If you really want to argue though, the term "stage #" is used by many to define the level of work done to the heads, so in a way we can say it's a "standard" although as mentioned above I never used it. A stage 2 head will out perform a stage 1 head and a stage 3 head will out perform both. Although there is no clear industrial defenition set per stage, we all know the higher the number the better the flow.
Thank you for educating me.
Old Feb 17, 2013 | 11:51 AM
  #20  
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Re: lt4 hotcam .. or comp cam xfi 280 kit.. or.. any preference

Interesting... an unknown head porter's 3.5 job, by definition... because it's a bigger number... outperforms a Lloyd Elliott Stage 3.... because it's a smaller number. And then we can use that relationship to determine by extrapolation that the unknown porter's heads must flow 300/200 because Lloyd's only flow 280/195.

OK.
Old Feb 18, 2013 | 06:41 AM
  #21  
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Re: lt4 hotcam .. or comp cam xfi 280 kit.. or.. any preference

Originally Posted by Injuneer
Interesting... an unknown head porter's 3.5 job, by definition... because it's a bigger number... outperforms a Lloyd Elliott Stage 3.... because it's a smaller number. And then we can use that relationship to determine by extrapolation that the unknown porter's heads must flow 300/200 because Lloyd's only flow 280/195.

OK.
I feel like this is some gaming forum where all you can read is a bunch of drivel. As for the "unknown porter", he happens to have a name. https://www.youtube.com/watch?v=QAfS_PtHoj0
Old Feb 18, 2013 | 09:25 AM
  #22  
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Re: lt4 hotcam .. or comp cam xfi 280 kit.. or.. any preference

You can call my posts drivel if you want. No offense taken.
Old Feb 21, 2013 | 03:28 PM
  #23  
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Re: lt4 hotcam .. or comp cam xfi 280 kit.. or.. any preference

Originally Posted by RamAir95TA
Thank you for educating me.
P.S. In case you were wondering you have AI Stage 2 heads
Old Feb 22, 2013 | 05:59 AM
  #24  
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Re: lt4 hotcam .. or comp cam xfi 280 kit.. or.. any preference

Originally Posted by Bersaglieri
P.S. In case you were wondering you have AI Stage 2 heads
Does this mean I'm gonna get my *** handed to me by all the stage 3 guys? I suppose I should have done it right the first time...
Old Feb 22, 2013 | 06:45 PM
  #25  
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Re: lt4 hotcam .. or comp cam xfi 280 kit.. or.. any preference

Originally Posted by RamAir95TA
Does this mean I'm gonna get my *** handed to me by all the stage 3 guys? ....
Not if you have a B3RT Stage 4 cam like I do!
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