 OT: 4 Valve Vs. 2 Valve, What's The Advantage? |
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| windforfun |
 Feb 11 2024, 11:48 AM
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#1
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Senior Member  Group: Members Posts: 1,841 Joined: 17-December 07 From: Blackhawk, CA Member No.: 8,476 Region Association: None  |
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| Rufus |
Feb 11 2024, 11:59 AM
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#2
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Member Group: Members Posts: 314 Joined: 8-April 06 From: Central NC Member No.: 5,840 Region Association: None 
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4v - allows optimized plug location which allows higher compression ratio,
allows greater valve area for better breathing / volumetric efficiency, reduces valve train mass for each valve spring to control, which raises valve train rpm limit |
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Posts in this topic
windforfun OT: 4 Valve Vs. 2 Valve Feb 11 2024, 11:48 AM
technicalninja 25-40% more airflow.
Almost always cross flow.
Les... Feb 11 2024, 12:01 PM brant Incoming charge increase
Easier exhaust scavenging... Feb 11 2024, 12:31 PM
930cabman More air in and more air out = more power
Check o... Feb 11 2024, 05:47 PM |
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