Sbc big cam sound
WebJan 24, 2014 · This sound is often most noticeable when the engine is at an even rpm–not accelerating or decelerating–and is often caused by a worn bearing or crankpin, misaligned connecting rod, or lack of oil. You can single out the faulty connecting rod by performing a cylinder-balance test. WebMay 1, 2015 · This exhaust gas mixes with the fresh air and fuel in the intake manifold and causes the engine idle to become unstable—that lumpy sound that race engines have and street guys want to emulate. In addition to the exhaust gas, there is also positive pressure pushing into the intake.
Sbc big cam sound
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WebJan 2, 2012 · The trick is to “size” a cam to optimize valvetrain events for your particular engine combination and vehicle. Cam Sizing Virtually every cam maker uses duration to rate camshafts. When someone talks about a “big” cam, they are referring to … WebApr 30, 2014 · The thumpr cams all need a lot of initial timing, w/o exceeding the total timing the heads and fuel, etc. require. This almost always means the distributor will need internal mods to limit the mechanical advance. AFA ported vs. manifold vacuum for the vacuum advance, there are differing opinions.
WebJun 28, 2007 · how big is ok to go safely on a 350 with 76cc heads #441 castings with stock valves? i think they are 1.94 intake and 1.50 exhaust? also what type of cam? looking for a nice lope that doesnt sound stock , its a street engine. 350 .40 over bore stock rods i think flattops with 4 valve reliefs #441 heads with 3 angle valve job weiand action plus ... WebNov 21, 2024 · Also, the power band is listed as 3700-7800 rpm, but that is in a 350 cube engine (most catalog range specs are for the most common SBC, the 350), your 400 is …
WebCOMP Cams has developed the Thumpr series of cams that give you every day drivability, but have that nasty race engine sound. Pick the cam that … 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 2,500 …
WebNov 21, 2024 · Also, the power band is listed as 3700-7800 rpm, but that is in a 350 cube engine (most catalog range specs are for the most common SBC, the 350), your 400 is going to drop that close to 700 rpm. Bigger the engine, the tamer the cam sounds.
WebOct 16, 2013 · They are great sounding cams with very poor performance and mileage. Rev kit with that cam is not needed or beneficial. Maybe you need to ask your "ENGINE BUILDER" how many he owns. It's no secret in the real world all Comp does is widen the LSA for sound and kills performance. gibson county animal controlgibson county district attorney trenton tnWebMar 1, 2006 · The specs were 9.5 comp. ratio, air gap rpm intake, holley 750, 230/230 @ 50 and .455/.455 lift. cam and nothing else fancy. The engine made 427hp @5100 and 525 ft lbs @3700 rpm. This cam might not sound like you want it though. I have been doing alot of research also because I'm about to have a 406 built with AFR heads and the xe284. C gibson county ems182K views 2 years ago. Today I'm comparing the sound difference between two Comp Camshafts after a recent rebuild of the engine. The Specs can be found below. The car is a 1990 Third gen Camaro ... gibson county extension officeWebCamshaft Sounds; Camshaft Sounds. XM-278. Magnum 280. Magnum 292. XER-287HR-12. XER-273HR-14. XR-269HR-14. XR-275HR-12. TECH SUPPORT. Warranty Registration; Catalogs; Careers; Site Map; Latest News. Read about the newest product launches from our development team. Watch the latest product and technology videos from COMP Cams®. frt1250wWebDec 11, 2013 · 327 Sbc big mutha thumper cam HoraceNC1985 231K views 2 years ago Pontiac 400 rough idle cam 284h BRICO Performance Engines 50K views 4 years ago Almost yours: 2 weeks, on us 100+ live... frt0000abcbWebDec 10, 2004 · With the cam installed and run in on the dyno, we prepared for the test. The engine settled into a smooth idle at 850 rpm, with just enough grumble to distinguish the test engine as a performance ... frt1250eww