 Megaphone exhuast |
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| DMAYHALL |
 Nov 18 2020, 06:10 PM
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#1
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Newbie  Group: Members Posts: 13 Joined: 26-June 14 From: las vegas Member No.: 17,557 Region Association: None  |
Has anyone experimented with 75-76 headers , turned backwards, into a single megaphone out the back? Basically running a dual exhaust ?????
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| brant |
Nov 18 2020, 09:39 PM
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#2
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914 Wizard Group: Members Posts: 11,622 Joined: 30-December 02 From: Colorado Member No.: 47 Region Association: Rocky Mountains 
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Yes people have.
The engine benefits having both banks exhaust connected. Combination of firing order that benefits scavenging I’ve seen megaphones with cross pipes that were better than megaphones |
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| DMAYHALL |
Nov 19 2020, 12:47 AM
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#3
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Newbie Group: Members Posts: 13 Joined: 26-June 14 From: las vegas Member No.: 17,557 Region Association: None |
QUOTE(brant @ Nov 18 2020, 07:39 PM)  Yes people have. The engine benefits having both banks exhaust connected. Combination of firing order that benefits scavenging I’ve seen megaphones with cross pipes that were better than megaphones Thank you for the info. Do you know if the crossover was at the headers or the megaphones ? |
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| sixnotfour |
Nov 19 2020, 12:45 PM
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#4
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914 Wizard Group: Members Posts: 10,428 Joined: 12-September 04 From: Life Elevated..planet UT. Member No.: 2,744 Region Association: Rocky Mountains
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| ClayPerrine |
Nov 19 2020, 12:47 PM
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#5
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Life's been good to me so far..... Group: Admin Posts: 15,443 Joined: 11-September 03 From: Hurst, TX. Member No.: 1,143 Region Association: NineFourteenerVille
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QUOTE(sixnotfour @ Nov 19 2020, 12:45 PM) Restrictive, and not efficient. This setup will actually lower your horsepower. I suggest getting a set of 70-74 stainless steel heat exchangers and a good muffler to go with them. Clay |
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