WebOct 1, 2010 · Aurora CO. The main reason for dual patter cams as explained to me was the longer duration on the the exhaust side was to cover up the shortcomings of the head … WebMar 15, 2024 · 68Chevele said: I know for a fact years ago testing the CC 292H on my 358 SBC that was single pattern cam came up short vs my Elgin 1165 Dual pattern cam. Two tenths and 2.5 mph was the difference in favor of the Elgin cam. That same Elgin dual pattern cam has now gone high 10's in my car.
Single pattern vs. dual pattern camshafts Page 2 - Team Chevelle
WebOct 27, 2016 · A dual pattern camshaft has different profiles on the intake and exhaust lobes. This is a more complex design found on newer engines. The lobe profiles can be optimized to account for specific conditions. For example, an engine with a free-flowing intake might have some exhaust restriction. It will need more Lift and Duration on the … WebMar 14, 2024 · 4,511 Posts. #11 · Mar 14, 2024. I know for a fact years ago testing the CC 292H on my 358 SBC that was single pattern cam came up short vs my Elgin 1165 … tnt tax service belvidere il
Single vs dual pattern cam .... For B Bodies Only Classic Mopar …
WebSINGLE PATTERN SYMMETRICAL CAMS. When the camshaft is single pattern (intake and exhaust cam profiles are the same) and the opening and closing sides of the lobes are the same shape (symmetrical) it is a … WebAug 11, 2004 · Overlap makes power because of the scavenging effect it creates. With a dual pattern cam you can get more of this scavenging effect without increasing the size of the intake lobe. If your engine is scavenging fine at its natural RPM range with a single pattern cam then a dual pattern is probably wasting time. WebMay 27, 2009 · I got too ticked to read any further when a thread mentioned that cam companies started changing LSAs just to be able to market/sell more high-lift/big duration street cams. LSAs from 106 to 114 are readily available. I am trying to match a cam (either single or dual pattern) to my street only 355. Thanks!! pennfoods.com