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Discussion Starter #1
Ok for all who has done the long tube equal length, non equal length and shorty headers. Is there a significant difference in power gain from one to the other. This is for 5.7 BTW.
Thanks
Colin

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Discussion Starter #3
On an NA engine long tube will yield more power. There are many threads on this topic.
I agree with you, but just wondering equal length compared to non equal length given the fact we do not crank these engines very high.

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2015 RT 5.7 M6
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In principle equal length provide better scavenging but it looks like you want actual dyno chart comparisons. IMO just going to LT headers puts you ahead of the game.
 

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Premium Member
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Discussion Starter #5
In principle equal length provide better scavenging but it looks like you want actual dyno chart comparisons. IMO just going to LT headers puts you ahead of the game.
I agree and have used both on builds in the past but these are engines with 12.5:1 compression and above and turned 8500+ rpm, different animal.

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