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

flow numbers??? are these good?

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Old Oct 13, 2010 | 03:38 PM
  #16  
pizzi-man's Avatar
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wouldn't one consider head flow when picking out a cam? As far as results go you can drop the same motor in differant cars and get differant results or same car with differant drivers= differant results.
Old Oct 13, 2010 | 06:10 PM
  #17  
96capricemgr's Avatar
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The importance of flow numbers when choosing a cam is greatly overstated. Nobody is going to pick a different cam because the heads flowed 10cfm different at .500" or something.

If flow numbers were THE key we would all just buy AFR 227s and have them hacked out bigger.

Don't want to believe me about flow read this.
https://www.camaroz28.com/forums/sho...d.php?t=411824
Item number 1
1- flow #'s are NOT AS IMPORTANT as runner shape and measurements in key areas of the port.
Right from Lloyd himself since you guys put a lot of faith in him.
Old Oct 13, 2010 | 06:31 PM
  #18  
Procharged94Lt1's Avatar
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A flow sheet on a set of heads is just like a dyno sheet- it isn't the only thing to be considered and is only as good as the paper its printed on IMO.

Hogging out a set of heads doesn't guarantee good flow and high HP numbers- if that were the case we could all just grab a dremel and do it ourselves. Like Lloyd has stated- ensuring runner shape in key areas ensures performance.
Old Oct 14, 2010 | 10:14 PM
  #19  
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I gained 40cfm on my old heads by having them ported more and didn't gain anything at the track. 28" flow #'s are pretty much useless.
Old Oct 14, 2010 | 10:39 PM
  #20  
strokerace31558's Avatar
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flow

Originally Posted by speed_demon24
I gained 40cfm on my old heads by having them ported more and didn't gain anything at the track. 28" flow #'s are pretty much useless.
you can have the biggest set of heads ported to the max ,but its not going to make any difference unless you have the fuel, and cubic inches and cam to go with what ever heads also a good bottom end then you'll see real power, those are some decent flow #'s should do u fine
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