WebFeb 3, 2024 · The thumper cams get more radical as you move up the list and the more rough the idle will be and the more rump rump sound it will have but also will have less vacuum and more overlap. WebJul 7, 2024 · Here are some of the symptoms of a bad camshaft: Backfiring and popping. A cylinder misfire at low and very high RPMs. A loud tapping noise coming from the valves. There can be many reasons why your …
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WebNov 5, 2015 · The Big Mama Rattler camshafts offer a lopier idle sound and are best fitted into performance street or street/strip applications that need at least 9.0:1 compression, a torque converter that stalls around … WebMay 12, 2014 · Most of the time, a bigger camshaft will mean more peak power, but the cost is generally clear, with an increase in idle chop, poor low-speed performance, and a drop … kingfisher close hayling island
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WebJul 14, 2024 · Decided to test out my new Comica microphone today and shot an idle clip on my Corvette. It has a .040-over 327 small block Chevy with flat top pistons. It has close to 10:1 compression, thanks... WebJun 12, 2009 · A camshaft with greater duration and lift is the key to a lopey idle, but the rougher the idle you want, the more vaccume power you lose and and less low end torque you lose, as the powerband of the cam rises with the roughness of the idle, in simplified terms. If you want a low end torquer, sometimes you need to consider it and make a … WebNov 28, 2006 · 952 Posts. #2 · Nov 21, 2006. Your looking for valve overlap. Look for a high dur / low LSA. I would say the lope might start at 220+ degree dur and 110- LSA. But … kingfisher close scarborough